Shareholder Report | 12 Months Ended |
Jul. 31, 2024 USD ($) Holding |
Shareholder Report [Line Items] | |
Document Type | N-CSR |
Amendment Flag | false |
Registrant Name | AB PORTFOLIOS |
Entity Central Index Key | 0000812015 |
Entity Investment Company Type | N-1A |
Document Period End Date | Jul. 31, 2024 |
C000029000 | |
Shareholder Report [Line Items] | |
Fund Name | AB Growth Fund |
Class Name | Advisor Class |
Trading Symbol | AGRYX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the AB Growth Fund (the “Fund”) for the period of August 1, 2023 to July 31, 2024. |
Shareholder Report Annual or Semi-Annual | Annual Shareholder Report |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/AGRYX-A. You can also request this information by contacting us at (800) 227 4618. |
Additional Information Phone Number | (800) 227 4618 |
Additional Information Website | https://www.abfunds.com/link/AB/AGRYX-A |
Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Advisor Class $95 0.84% |
Expenses Paid, Amount | $ 95 |
Expense Ratio, Percent | 0.84% |
Performance Past Does Not Indicate Future [Text] | |
Average Annual Return [Table Text Block] | 1 Year 5 Years 10 Years Advisor Class (without sales charges) 26.02 % 14.73 % 15.45 % Advisor Class (with sales charges) 26.02 % 14.73 % 15.45 % S&P 500 Index 22.15 % 15.00 % 13.15 % Russell 3000 Growth Index 26.20 % 17.74 % 15.82 % |
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 the redemption or sale of Fund shares. |
AssetsNet | $ 1,456,250,676 |
Holdings Count | Holding | 56 |
Advisory Fees Paid, Amount | $ 9,752,042 |
InvestmentCompanyPortfolioTurnover | 37% |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $1,456,250,676 # of Portfolio Holdings 56 Portfolio Turnover Rate 37% Total Advisory Fees Paid $9,752,042 |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 33.4% Health Care 17.2% Consumer Discretionary 13.7% Communication Services 12.9% Industrials 8.6% Consumer Staples 6.3% Financials 4.0% Materials 1.2% Energy 0.9% Short-Term Investments 2.0% Other assets less liabilities - |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $125,773,096 8.6 % Microsoft Corp. $115,238,691 7.9 % Amazon.com, Inc. $90,038,349 6.2 % Alphabet, Inc. - Class C $80,069,754 5.5 % Meta Platforms, Inc. - Class A $73,688,868 5.1 % Visa, Inc. - Class A $57,514,367 4.0 % Vertex Pharmaceuticals, Inc. $49,953,704 3.4 % Eli Lilly & Co. $42,280,474 2.9 % Monster Beverage Corp. $37,803,196 2.6 % Costco Wholesale Corp. $34,713,060 2.4 % Total $707,073,559 48.6 % |
Material Fund Change [Text Block] | |
C000028997 | |
Shareholder Report [Line Items] | |
Fund Name | AB Growth Fund |
Class Name | Class A |
Trading Symbol | AGRFX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the AB Growth Fund (the “Fund”) for the period of August 1, 2023 to July 31, 2024. |
Shareholder Report Annual or Semi-Annual | Annual Shareholder Report |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/AGRFX-A. You can also request this information by contacting us at (800) 227 4618. |
Additional Information Phone Number | (800) 227 4618 |
Additional Information Website | https://www.abfunds.com/link/AB/AGRFX-A |
Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $123 1.09% |
Expenses Paid, Amount | $ 123 |
Expense Ratio, Percent | 1.09% |
Performance Past Does Not Indicate Future [Text] | |
Average Annual Return [Table Text Block] | 1 Year 5 Years 10 Years Class A (without sales charges) 25.72 % 14.44 % 15.17 % Class A (with sales charges) 20.37 % 13.45 % 14.67 % S&P 500 Index 22.15 % 15.00 % 13.15 % Russell 3000 Growth Index 26.20 % 17.74 % 15.82 % |
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 the redemption or sale of Fund shares. |
AssetsNet | $ 1,456,250,676 |
Holdings Count | Holding | 56 |
Advisory Fees Paid, Amount | $ 9,752,042 |
InvestmentCompanyPortfolioTurnover | 37% |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $1,456,250,676 # of Portfolio Holdings 56 Portfolio Turnover Rate 37% Total Advisory Fees Paid $9,752,042 |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 33.4% Health Care 17.2% Consumer Discretionary 13.7% Communication Services 12.9% Industrials 8.6% Consumer Staples 6.3% Financials 4.0% Materials 1.2% Energy 0.9% Short-Term Investments 2.0% Other assets less liabilities - |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $125,773,096 8.6 % Microsoft Corp. $115,238,691 7.9 % Amazon.com, Inc. $90,038,349 6.2 % Alphabet, Inc. - Class C $80,069,754 5.5 % Meta Platforms, Inc. - Class A $73,688,868 5.1 % Visa, Inc. - Class A $57,514,367 4.0 % Vertex Pharmaceuticals, Inc. $49,953,704 3.4 % Eli Lilly & Co. $42,280,474 2.9 % Monster Beverage Corp. $37,803,196 2.6 % Costco Wholesale Corp. $34,713,060 2.4 % Total $707,073,559 48.6 % |
Material Fund Change [Text Block] | |
C000028999 | |
Shareholder Report [Line Items] | |
Fund Name | AB Growth Fund |
Class Name | Class C |
Trading Symbol | AGRCX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the AB Growth Fund (the “Fund”) for the period of August 1, 2023 to July 31, 2024. |
Shareholder Report Annual or Semi-Annual | Annual Shareholder Report |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/AGRCX-A. You can also request this information by contacting us at (800) 227 4618. |
Additional Information Phone Number | (800) 227 4618 |
Additional Information Website | https://www.abfunds.com/link/AB/AGRCX-A |
Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $207 1.84% |
Expenses Paid, Amount | $ 207 |
Expense Ratio, Percent | 1.84% |
Performance Past Does Not Indicate Future [Text] | |
Average Annual Return [Table Text Block] | 1 Year 5 Years 10 Years Class C (without sales charges) 24.77 % 13.58 % 14.30 % Class C (with sales charges) 23.81 % 13.58 % 14.30 % S&P 500 Index 22.15 % 15.00 % 13.15 % Russell 3000 Growth Index 26.20 % 17.74 % 15.82 % |
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 the redemption or sale of Fund shares. |
AssetsNet | $ 1,456,250,676 |
Holdings Count | Holding | 56 |
Advisory Fees Paid, Amount | $ 9,752,042 |
InvestmentCompanyPortfolioTurnover | 37% |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $1,456,250,676 # of Portfolio Holdings 56 Portfolio Turnover Rate 37% Total Advisory Fees Paid $9,752,042 |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 33.4% Health Care 17.2% Consumer Discretionary 13.7% Communication Services 12.9% Industrials 8.6% Consumer Staples 6.3% Financials 4.0% Materials 1.2% Energy 0.9% Short-Term Investments 2.0% Other assets less liabilities - |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $125,773,096 8.6 % Microsoft Corp. $115,238,691 7.9 % Amazon.com, Inc. $90,038,349 6.2 % Alphabet, Inc. - Class C $80,069,754 5.5 % Meta Platforms, Inc. - Class A $73,688,868 5.1 % Visa, Inc. - Class A $57,514,367 4.0 % Vertex Pharmaceuticals, Inc. $49,953,704 3.4 % Eli Lilly & Co. $42,280,474 2.9 % Monster Beverage Corp. $37,803,196 2.6 % Costco Wholesale Corp. $34,713,060 2.4 % Total $707,073,559 48.6 % |
Material Fund Change [Text Block] | |
C000029003 | |
Shareholder Report [Line Items] | |
Fund Name | AB Growth Fund |
Class Name | Class I |
Trading Symbol | AGFIX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the AB Growth Fund (the “Fund”) for the period of August 1, 2023 to July 31, 2024. |
Shareholder Report Annual or Semi-Annual | Annual Shareholder Report |
Additional Information [Text Block] | You can find additional information about the Fund at https://www.abfunds.com/link/AB/AGFIX-A. You can also request this information by contacting us at (800) 227 4618. |
Additional Information Phone Number | (800) 227 4618 |
Additional Information Website | https://www.abfunds.com/link/AB/AGFIX-A |
Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $97 0.86% |
Expenses Paid, Amount | $ 97 |
Expense Ratio, Percent | 0.86% |
Performance Past Does Not Indicate Future [Text] | |
Average Annual Return [Table Text Block] | 1 Year 5 Years 10 Years Class I (without sales charges) 26.05 % 14.72 % 15.52 % Class I (with sales charges) 26.05 % 14.72 % 15.52 % S&P 500 Index 22.15 % 15.00 % 13.15 % Russell 3000 Growth Index 26.20 % 17.74 % 15.82 % |
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 the redemption or sale of Fund shares. |
AssetsNet | $ 1,456,250,676 |
Holdings Count | Holding | 56 |
Advisory Fees Paid, Amount | $ 9,752,042 |
InvestmentCompanyPortfolioTurnover | 37% |
Additional Fund Statistics [Text Block] | Key Fund Statistics Net Assets $1,456,250,676 # of Portfolio Holdings 56 Portfolio Turnover Rate 37% Total Advisory Fees Paid $9,752,042 |
Holdings [Text Block] | Sector Allocation Value Value Information Technology 33.4% Health Care 17.2% Consumer Discretionary 13.7% Communication Services 12.9% Industrials 8.6% Consumer Staples 6.3% Financials 4.0% Materials 1.2% Energy 0.9% Short-Term Investments 2.0% Other assets less liabilities - |
Largest Holdings [Text Block] | 10 Top Holdings Company U.S. $ Value % of Net Assets NVIDIA Corp. $125,773,096 8.6 % Microsoft Corp. $115,238,691 7.9 % Amazon.com, Inc. $90,038,349 6.2 % Alphabet, Inc. - Class C $80,069,754 5.5 % Meta Platforms, Inc. - Class A $73,688,868 5.1 % Visa, Inc. - Class A $57,514,367 4.0 % Vertex Pharmaceuticals, Inc. $49,953,704 3.4 % Eli Lilly & Co. $42,280,474 2.9 % Monster Beverage Corp. $37,803,196 2.6 % Costco Wholesale Corp. $34,713,060 2.4 % Total $707,073,559 48.6 % |
Material Fund Change [Text Block] | |