Nuveen Investment Trust Ii N-CSR8 Nov 24Certified annual shareholder report (management investment company)Financial data

Company Profile

Form N-CSR Cover

Form N-CSR Cover	12 Months Ended
Form N-CSR Cover	Aug. 31, 2024
Shareholder Report [Line Items]
Document Type	N-CSR
Amendment Flag	false
Registrant Name	Nuveen Investment Trust II
Entity Central Index Key	0001041673
Entity Investment Company Type	N-1A
Document Period End Date	Aug. 31, 2024

Shareholder Report

Shareholder Report	12 Months Ended
Shareholder Report	Aug. 31, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSR
Amendment Flag	false
Registrant Name	Nuveen Investment Trust II
Entity Central Index Key	0001041673
Entity Investment Company Type	N-1A
Document Period End Date	Aug. 31, 2024
C000072944 [Member]
Shareholder Report [Line Items]
Fund Name	Nuveen Equity Long/Short Fund
Class Name	Class A Shares
Trading Symbol	NELAX
Annual or Semi-Annual Statement [Text Block]	This annual shareholder report contains important information about the Class A Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2023 to August 31, 2024.
Shareholder Report Annual or Semi-Annual	annual shareholder report
Additional Information [Text Block]	You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.
Material Fund Change Notice [Text Block]	This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number	(800) 257‑8787
Additional Information Website	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Expenses [Text Block]	What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $240 2.18% * Annualized for period less than one year.
Expenses Paid, Amount	$ 240
Expense Ratio, Percent	2.18%	[1]
Factors Affecting Performance [Text Block]	How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Equity Long/Short Fund returned 19.83% for Class A Shares at net asset value (NAV) for the 12 months ended August 31, 2024. The Fund performed in line with the Equity Long/Short Blended Benchmark, which returned 20.12%. The Fund’s blended benchmark consists of 1) 70% Russell 1000 ® • Top contributors to relative performance » Security selection in the industrials sector, led by an overweight long position in Trane Technologies plc and a short position in Leggett & Platt Inc. » Security selection and an overweight in the communication services sector, led by overweight long positions in Netflix Inc. and Meta Platforms Inc. » Security selection in the health care sector, led by an overweight long position in Boston Scientific Corporation. • Top detractors from relative performance » Overweight long position in digital platform engineering and software development firm EPAM Systems Inc. » Security selection and an overweight in the consumer staples sector, including overweight long positions in Estee Lauder Companies Inc. and Monster Beverage Corporation. » Overweight long position in DexCom Inc. Performance Attribution
Performance Past Does Not Indicate Future [Text]	Performance data shown represents past performance and does not predict or guarantee future results.
Line Graph [Table Text Block]
Average Annual Return [Table Text Block]	Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 19.83 % 10.06 % 7.88 % Class A Shares at maximum sales charge (Offering Price) 12.94 % 8.77 % 7.24 % Russell 1000 ® 26.60 % 15.55 % 12.66 % Equity Long/Short Blended Benchmark 20.12 % 11.80 % 9.51 % Lipper Alternative Long/Short Equity Funds Classification Average 14.82 % 7.38 % 4.46 %
No Deduction of Taxes [Text Block]	The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.
Updated Performance Information Location [Text Block]	For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
Net Assets	$ 131,554,359
Holdings Count \| Holding	191
Advisory Fees Paid, Amount	$ 1,460,716
Investment Company Portfolio Turnover	98%
Additional Fund Statistics [Text Block]	Fund Statistics (as of August 31, 2024) Fund net assets $ 131,554,359 Total number of portfolio holdings 191 Portfolio turnover (%) 98% Total management fees paid for the year $ 1,460,716
Holdings [Text Block]	(1)
Material Fund Change [Text Block]	How has the Fund changed? • Management fees: • Portfolio manager update: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Material Fund Change Expenses [Text Block]	• Management fees:
Summary of Change Legend [Text Block]	For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Updated Prospectus Phone Number	(800) 257‑8787
Updated Prospectus Web Address	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Accountant Change Disagreements [Text Block]	Changes in independent registered public accounting firm On October 24, 2024, the Fund’s Board of Trustees engaged PricewaterhouseCoopers LLP (“PwC”) as the independent registered public accounting firm for the Fund and dismissed KPMG LLP (“KPMG”) as the independent registered public accounting firm for the Fund subject to the completion of the August 31, 2024 fiscal year end audit. During the Fund’s fiscal years ended August 31, 2024 and August 31, 2023, and the subsequent interim period through October 29, 2024, there have been no disagreements with KPMG on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedures.
C000072945 [Member]
Shareholder Report [Line Items]
Fund Name	Nuveen Equity Long/Short Fund
Class Name	Class C Shares
Trading Symbol	NELCX
Annual or Semi-Annual Statement [Text Block]	This annual shareholder report contains important information about the Class C Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2023 to August 31, 2024.
Shareholder Report Annual or Semi-Annual	annual shareholder report
Additional Information [Text Block]	You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.
Material Fund Change Notice [Text Block]	This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number	(800) 257‑8787
Additional Information Website	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Expenses [Text Block]	What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $321 2.93% * Annualized for period less than one year.
Expenses Paid, Amount	$ 321
Expense Ratio, Percent	2.93%	[2]
Factors Affecting Performance [Text Block]	How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Equity Long/Short Fund returned 18.94% for Class C Shares at net asset value (NAV) for the 12 months ended August 31, 2024. The Fund underperformed the Equity Long/Short Blended Benchmark, which returned 20.12%. The Fund’s blended benchmark consists of 1) 70% Russell 1000 ® • Top contributors to relative performance » Security selection in the industrials sector, led by an overweight long position in Trane Technologies plc and a short position in Leggett & Platt Inc. » Security selection and an overweight in the communication services sector, led by overweight long positions in Netflix Inc. and Meta Platforms Inc. » Security selection in the health care sector, led by an overweight long position in Boston Scientific Corporation. • Top detractors from relative performance » Overweight long position in digital platform engineering and software development firm EPAM Systems Inc. » Security selection and an overweight in the consumer staples sector, including overweight long positions in Estee Lauder Companies Inc. and Monster Beverage Corporation. » Overweight long position in DexCom Inc. Performance Attribution
Performance Past Does Not Indicate Future [Text]	Performance data shown represents past performance and does not predict or guarantee future results.
Line Graph [Table Text Block]
Average Annual Return [Table Text Block]	Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 18.94 % 9.24 % 7.23 % Russell 1000 ® 26.60 % 15.55 % 12.66 % Equity Long/Short Blended Benchmark 20.12 % 11.80 % 9.51 % Lipper Alternative Long/Short Equity Funds Classification Average 14.82 % 7.38 % 4.46 %
No Deduction of Taxes [Text Block]	The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.
Updated Performance Information Location [Text Block]	For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
Net Assets	$ 131,554,359
Holdings Count \| Holding	191
Advisory Fees Paid, Amount	$ 1,460,716
Investment Company Portfolio Turnover	98%
Additional Fund Statistics [Text Block]	Fund Statistics (as of August 31, 2024) Fund net assets $ 131,554,359 Total number of portfolio holdings 191 Portfolio turnover (%) 98% Total management fees paid for the year $ 1,460,716
Holdings [Text Block]	(1)
Material Fund Change [Text Block]	How has the Fund changed? • Management fees: • Portfolio manager update: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Material Fund Change Expenses [Text Block]	• Management fees:
Summary of Change Legend [Text Block]	For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Updated Prospectus Phone Number	(800) 257‑8787
Updated Prospectus Web Address	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Accountant Change Disagreements [Text Block]	Changes in independent registered public accounting firm On October 24, 2024, the Fund’s Board of Trustees engaged PricewaterhouseCoopers LLP (“PwC”) as the independent registered public accounting firm for the Fund and dismissed KPMG LLP (“KPMG”) as the independent registered public accounting firm for the Fund subject to the completion of the August 31, 2024 fiscal year end audit. During the Fund’s fiscal years ended August 31, 2024 and August 31, 2023, and the subsequent interim period through October 29, 2024, there have been no disagreements with KPMG on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedures.
C000072947 [Member]
Shareholder Report [Line Items]
Fund Name	Nuveen Equity Long/Short Fund
Class Name	Class I Shares
Trading Symbol	NELIX
Annual or Semi-Annual Statement [Text Block]	This annual shareholder report contains important information about the Class I Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2023 to August 31, 2024.
Shareholder Report Annual or Semi-Annual	annual shareholder report
Additional Information [Text Block]	You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.
Material Fund Change Notice [Text Block]	This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number	(800) 257‑8787
Additional Information Website	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Expenses [Text Block]	What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $212 1.93% * Annualized for period less than one year.
Expenses Paid, Amount	$ 212
Expense Ratio, Percent	1.93%	[3]
Factors Affecting Performance [Text Block]	How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Equity Long/Short Fund returned 20.14% for Class I Shares at net asset value (NAV) for the 12 months ended August 31, 2024. The Fund performed in line with the Equity Long/Short Blended Benchmark, which returned 20.12%. The Fund’s blended benchmark consists of 1) 70% Russell 1000 ® • Top contributors to relative performance » Security selection in the industrials sector, led by an overweight long position in Trane Technologies plc and a short position in Leggett & Platt Inc. » Security selection and an overweight in the communication services sector, led by overweight long positions in Netflix Inc. and Meta Platforms Inc. » Security selection in the health care sector, led by an overweight long position in Boston Scientific Corporation. • Top detractors from relative performance » Overweight long position in digital platform engineering and software development firm EPAM Systems Inc. » Security selection and an overweight in the consumer staples sector, including overweight long positions in Estee Lauder Companies Inc. and Monster Beverage Corporation. » Overweight long position in DexCom Inc. Performance Attribution
Performance Past Does Not Indicate Future [Text]	Performance data shown represents past performance and does not predict or guarantee future results.
Line Graph [Table Text Block]
Average Annual Return [Table Text Block]	Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 20.14 % 10.34 % 8.15 % Russell 1000 ® 26.60 % 15.55 % 12.66 % Equity Long/Short Blended Benchmark 20.12 % 11.80 % 9.51 % Lipper Alternative Long/Short Equity Funds Classification Average 14.82 % 7.38 % 4.46 %
No Deduction of Taxes [Text Block]	The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.
Updated Performance Information Location [Text Block]	For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
Net Assets	$ 131,554,359
Holdings Count \| Holding	191
Advisory Fees Paid, Amount	$ 1,460,716
Investment Company Portfolio Turnover	98%
Additional Fund Statistics [Text Block]	Fund Statistics (as of August 31, 2024) Fund net assets $ 131,554,359 Total number of portfolio holdings 191 Portfolio turnover (%) 98% Total management fees paid for the year $ 1,460,716
Holdings [Text Block]	(1)
Material Fund Change [Text Block]	How has the Fund changed? • Management fees: • Portfolio manager update: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Material Fund Change Expenses [Text Block]	• Management fees:
Summary of Change Legend [Text Block]	For more complete information, you may review the Fund’s next prospectus, which is expected to be available by December 30, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Updated Prospectus Phone Number	(800) 257‑8787
Updated Prospectus Web Address	https://www.nuveen.com/en‑us/mutual‑funds/prospectuses
Accountant Change Disagreements [Text Block]	Changes in independent registered public accounting firm On October 24, 2024, the Fund’s Board of Trustees engaged PricewaterhouseCoopers LLP (“PwC”) as the independent registered public accounting firm for the Fund and dismissed KPMG LLP (“KPMG”) as the independent registered public accounting firm for the Fund subject to the completion of the August 31, 2024 fiscal year end audit. During the Fund’s fiscal years ended August 31, 2024 and August 31, 2023, and the subsequent interim period through October 29, 2024, there have been no disagreements with KPMG on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedures.

[1]Annualized for period less than one year.[2]Annualized for period less than one year.[3]Annualized for period less than one year.

Shareholder Report, Line Graph

Shareholder Report, Line Graph (Details) - USD ($)	12 Months Ended	60 Months Ended	120 Months Ended
Shareholder Report, Line Graph (Details) - USD ($)	Aug. 31, 2024	Aug. 31, 2024	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
C000072944 [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Class A Shares at maximum sales charge (Offering Price)
Account Value	$ 20,122	$ 20,122	$ 20,122	$ 16,791	$ 14,596	$ 16,060	$ 12,701	$ 12,458	$ 13,491	$ 11,496	$ 9,712	$ 9,712	$ 9,424
Average Annual Return, Percent	12.94%	8.77%	7.24%
C000072944 [Member] \| Without Sales Load [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Class A Shares at NAV (excluding maximum sales charge)
Account Value	$ 21,352	$ 21,352	$ 21,352	17,818	15,489	17,042	13,477	13,220	14,316	12,199	10,306	10,306	10,000
Average Annual Return, Percent	19.83%	10.06%	7.88%
C000072945 [Member] \| Without Sales Load [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Class C Shares at NAV (excluding maximum sales charge)
Account Value	$ 20,107	$ 20,107	$ 20,107	16,779	14,585	16,169	12,883	12,733	13,890	11,925	10,152	10,228	10,000
Average Annual Return, Percent	18.94%	9.24%	7.23%
C000072947 [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Class I Shares at NAV
Account Value	$ 21,892	$ 21,892	$ 21,892	18,223	15,801	17,342	13,683	13,385	14,460	12,290	10,357	10,329	10,000
Average Annual Return, Percent	20.14%	10.34%	8.15%
Russell 1000 Index [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Russell 1000® Index
Account Value	$ 32,952	$ 32,952	$ 32,952	26,029	22,555	25,914	19,595	15,996	15,607	13,025	11,214	10,040	10,000
Average Annual Return, Percent	26.60%	15.55%	12.66%
Equity Long Short Blended Benchmark [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Equity Long/Short Blended Benchmark
Account Value	$ 24,808	$ 24,808	$ 24,808	$ 20,653	$ 18,388	$ 20,158	$ 16,532	$ 14,202	$ 13,813	$ 12,104	$ 10,874	$ 10,040	$ 10,000
Average Annual Return, Percent	20.12%	11.80%	9.51%
Lipper Alternative Long Short Equity Funds Classification Average [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	Lipper Alternative Long/Short Equity Funds Classification Average
Average Annual Return, Percent	14.82%	7.38%	4.46%

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Aug. 31, 2024
C000072944 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	5.30%	[1]
C000072944 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.70%	[1]
C000072944 [Member] \| Transportation Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[1]
C000072944 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6%	[1]
C000072944 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	17.20%	[1]
C000072944 [Member] \| Utilities Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.70%	[1]
C000072944 [Member] \| Software And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	14.60%	[1]
C000072944 [Member] \| Capital Goods [Member]
Holdings [Line Items]
Percent of Total Long Exposure	12.60%	[1]
C000072944 [Member] \| Semiconductors And Semiconductor Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.80%	[1]
C000072944 [Member] \| Media And Entertainment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.40%	[1]
C000072944 [Member] \| Technology Hardware And Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.30%	[1]
C000072944 [Member] \| Pharmaceuticals Biotechnology And Life Sciences [Member]
Holdings [Line Items]
Percent of Total Long Exposure	9.50%	[1]
C000072944 [Member] \| Consumer Discretionary Distribution And Retail [Member]
Holdings [Line Items]
Percent of Total Long Exposure	8.80%	[1]
C000072944 [Member] \| Health Care Equipment And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	7.90%	[1]
C000072944 [Member] \| Banks [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6.60%	[1]
C000072944 [Member] \| Consumer Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.80%	[1]
C000072944 [Member] \| Capital Goods Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.80%)	[1]
C000072944 [Member] \| Health Care Equipment And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.10%)	[1]
C000072944 [Member] \| Software And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.00%)	[1]
C000072944 [Member] \| Pharmaceuticals Biotechnology And Life Sciences Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[1]
C000072944 [Member] \| Equity Real Estate Investment Trusts Reits [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[1]
C000072944 [Member] \| Commercial And Professional Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[1]
C000072944 [Member] \| Financial Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.90%)	[1]
C000072944 [Member] \| Utilities [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[1]
C000072944 [Member] \| Materials [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.90%)	[1]
C000072944 [Member] \| Other [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(13.50%)	[1]
C000072944 [Member] \| Common Stock [Member]
Holdings [Line Items]
Percent of Total Investments	140.20%	[1]
C000072944 [Member] \| Short Term Repurchase Agreements [Member]
Holdings [Line Items]
Percent of Total Investments	0.90%	[1]
C000072944 [Member] \| Common Stocks Sold Short [Member]
Holdings [Line Items]
Percent of Total Investments	(41.10%)	[1]
C000072945 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	5.30%	[2]
C000072945 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.70%	[2]
C000072945 [Member] \| Transportation Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[2]
C000072945 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6%	[2]
C000072945 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	17.20%	[2]
C000072945 [Member] \| Utilities Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.70%	[2]
C000072945 [Member] \| Software And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	14.60%	[2]
C000072945 [Member] \| Capital Goods [Member]
Holdings [Line Items]
Percent of Total Long Exposure	12.60%	[2]
C000072945 [Member] \| Semiconductors And Semiconductor Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.80%	[2]
C000072945 [Member] \| Media And Entertainment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.40%	[2]
C000072945 [Member] \| Technology Hardware And Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.30%	[2]
C000072945 [Member] \| Pharmaceuticals Biotechnology And Life Sciences [Member]
Holdings [Line Items]
Percent of Total Long Exposure	9.50%	[2]
C000072945 [Member] \| Consumer Discretionary Distribution And Retail [Member]
Holdings [Line Items]
Percent of Total Long Exposure	8.80%	[2]
C000072945 [Member] \| Health Care Equipment And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	7.90%	[2]
C000072945 [Member] \| Banks [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6.60%	[2]
C000072945 [Member] \| Consumer Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.80%	[2]
C000072945 [Member] \| Capital Goods Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.80%)	[2]
C000072945 [Member] \| Health Care Equipment And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.10%)	[2]
C000072945 [Member] \| Software And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.00%)	[2]
C000072945 [Member] \| Pharmaceuticals Biotechnology And Life Sciences Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[2]
C000072945 [Member] \| Equity Real Estate Investment Trusts Reits [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[2]
C000072945 [Member] \| Commercial And Professional Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[2]
C000072945 [Member] \| Financial Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.90%)	[2]
C000072945 [Member] \| Utilities [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[2]
C000072945 [Member] \| Materials [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.90%)	[2]
C000072945 [Member] \| Other [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(13.50%)	[2]
C000072945 [Member] \| Common Stock [Member]
Holdings [Line Items]
Percent of Total Investments	140.20%	[2]
C000072945 [Member] \| Short Term Repurchase Agreements [Member]
Holdings [Line Items]
Percent of Total Investments	0.90%	[2]
C000072945 [Member] \| Common Stocks Sold Short [Member]
Holdings [Line Items]
Percent of Total Investments	(41.10%)	[2]
C000072947 [Member] \| Energy Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	5.30%	[3]
C000072947 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.70%	[3]
C000072947 [Member] \| Transportation Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[3]
C000072947 [Member] \| Materials Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6%	[3]
C000072947 [Member] \| Unclassified Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	17.20%	[3]
C000072947 [Member] \| Utilities Sector [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.70%	[3]
C000072947 [Member] \| Software And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	14.60%	[3]
C000072947 [Member] \| Capital Goods [Member]
Holdings [Line Items]
Percent of Total Long Exposure	12.60%	[3]
C000072947 [Member] \| Semiconductors And Semiconductor Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.80%	[3]
C000072947 [Member] \| Media And Entertainment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.40%	[3]
C000072947 [Member] \| Technology Hardware And Equipment [Member]
Holdings [Line Items]
Percent of Total Long Exposure	10.30%	[3]
C000072947 [Member] \| Pharmaceuticals Biotechnology And Life Sciences [Member]
Holdings [Line Items]
Percent of Total Long Exposure	9.50%	[3]
C000072947 [Member] \| Consumer Discretionary Distribution And Retail [Member]
Holdings [Line Items]
Percent of Total Long Exposure	8.80%	[3]
C000072947 [Member] \| Health Care Equipment And Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	7.90%	[3]
C000072947 [Member] \| Banks [Member]
Holdings [Line Items]
Percent of Total Long Exposure	6.60%	[3]
C000072947 [Member] \| Consumer Services [Member]
Holdings [Line Items]
Percent of Total Long Exposure	4.80%	[3]
C000072947 [Member] \| Capital Goods Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.80%)	[3]
C000072947 [Member] \| Health Care Equipment And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.10%)	[3]
C000072947 [Member] \| Software And Services Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(4.00%)	[3]
C000072947 [Member] \| Pharmaceuticals Biotechnology And Life Sciences Sector [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[3]
C000072947 [Member] \| Equity Real Estate Investment Trusts Reits [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[3]
C000072947 [Member] \| Commercial And Professional Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.80%)	[3]
C000072947 [Member] \| Financial Services [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(1.90%)	[3]
C000072947 [Member] \| Utilities [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.10%)	[3]
C000072947 [Member] \| Materials [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(2.90%)	[3]
C000072947 [Member] \| Other [Member]
Holdings [Line Items]
Percent of Total Short Exposure	(13.50%)	[3]
C000072947 [Member] \| Common Stock [Member]
Holdings [Line Items]
Percent of Total Investments	140.20%	[3]
C000072947 [Member] \| Short Term Repurchase Agreements [Member]
Holdings [Line Items]
Percent of Total Investments	0.90%	[3]
C000072947 [Member] \| Common Stocks Sold Short [Member]
Holdings [Line Items]
Percent of Total Investments	(41.10%)	[3]

[1]Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.[2]Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.[3]Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.