T. Rowe Price U.S. Large-Cap Core Fund (TRULX) N-CSRS28 Aug 24Certified semi-annual shareholder report (management investment company)Financial data

Company Profile

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
Form N-CSR Cover	Jun. 30, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	T. ROWE PRICE U.S. LARGE-CAP CORE FUND, INC.
Entity Central Index Key	0001462712
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024

Shareholder Report

Shareholder Report	6 Months Ended
Shareholder Report	Jun. 30, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	T. ROWE PRICE U.S. LARGE-CAP CORE FUND, INC.
Entity Central Index Key	0001462712
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024
C000078270
Shareholder Report [Line Items]
Fund Name	U.S. Large-Cap Core Fund
Class Name	Investor Class
Trading Symbol	TRULX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about U.S. Large-Cap Core Fund (the "fund") for the period of January 1, 2024 to June 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Material Fund Change Notice [Text Block]
Additional Information Phone Number	1‑800‑638‑5660
Additional Information Email	info@troweprice.com</span>" id="sjs-B20"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span>
Additional Information Website	www.troweprice.com/prospectus</span>" id="sjs-B21"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span>
Expenses [Text Block]	What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment U.S. Large-Cap Core Fund - Investor Class $35 0.64%
Expenses Paid, Amount	$ 35
Expense Ratio, Percent	0.64%
Updated Performance Information Location [Text Block]	If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless
AssetsNet	$ 19,146,198,000
Holdings Count \| Holding	80
InvestmentCompanyPortfolioTurnover	24.90%
Additional Fund Statistics [Text Block]	What are some fund statistics? Fund Statistics Total Net Assets (000s) $19,146,198 Number of Portfolio Holdings 80
Additional Fund Statistics Significance or Limits [Text Block]	Portfolio Turnover Rate 24.9%
Holdings [Text Block]	Sector Allocation Information Technology 31.2 % Health Care 12.2 Financials 11.7 Industrials & Business Services 11.6 Consumer Discretionary 9.5 Communication Services 7.6 Consumer Staples 6.2 Energy 5.6 Materials 3.2 Other 1.2
Largest Holdings [Text Block]	Top Ten Holdings Microsoft 7.9 % NVIDIA 7.3 Apple 4.9 Alphabet 4.6 Amazon.com 4.4 Visa 2.5 UnitedHealth Group 2.0 Thermo Fisher Scientific 1.9 JPMorgan Chase 1.9 Eli Lilly 1.6
Material Fund Change [Text Block]
Updated Prospectus Web Address	www.troweprice.com/paperless</span>" id="sjs-B34"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span>
C000078271
Shareholder Report [Line Items]
Fund Name	U.S. Large-Cap Core Fund
Class Name	Advisor Class
Trading Symbol	PAULX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about U.S. Large-Cap Core Fund (the "fund") for the period of January 1, 2024 to June 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Material Fund Change Notice [Text Block]
Additional Information Phone Number	1‑800‑638‑5660
Additional Information Email	info@troweprice.com</span>" id="sjs-B45"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span>
Additional Information Website	www.troweprice.com/prospectus</span>" id="sjs-B46"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span>
Expenses [Text Block]	What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment U.S. Large-Cap Core Fund - Advisor Class $52 0.95%
Expenses Paid, Amount	$ 52
Expense Ratio, Percent	0.95%
Updated Performance Information Location [Text Block]	If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless
AssetsNet	$ 19,146,198,000
Holdings Count \| Holding	80
InvestmentCompanyPortfolioTurnover	24.90%
Additional Fund Statistics [Text Block]	What are some fund statistics? Fund Statistics Total Net Assets (000s) $19,146,198 Number of Portfolio Holdings 80
Additional Fund Statistics Significance or Limits [Text Block]	Portfolio Turnover Rate 24.9%
Holdings [Text Block]	Sector Allocation Information Technology 31.2 % Health Care 12.2 Financials 11.7 Industrials & Business Services 11.6 Consumer Discretionary 9.5 Communication Services 7.6 Consumer Staples 6.2 Energy 5.6 Materials 3.2 Other 1.2
Largest Holdings [Text Block]	Top Ten Holdings Microsoft 7.9 % NVIDIA 7.3 Apple 4.9 Alphabet 4.6 Amazon.com 4.4 Visa 2.5 UnitedHealth Group 2.0 Thermo Fisher Scientific 1.9 JPMorgan Chase 1.9 Eli Lilly 1.6
Material Fund Change [Text Block]
Updated Prospectus Web Address	www.troweprice.com/paperless</span>" id="sjs-B59"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span>
C000177203
Shareholder Report [Line Items]
Fund Name	U.S. Large-Cap Core Fund
Class Name	I Class
Trading Symbol	RCLIX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about U.S. Large-Cap Core Fund (the "fund") for the period of January 1, 2024 to June 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Material Fund Change Notice [Text Block]
Additional Information Phone Number	1‑800‑638‑5660
Additional Information Email	info@troweprice.com</span>" id="sjs-B70"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span>
Additional Information Website	www.troweprice.com/prospectus</span>" id="sjs-B71"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span>
Expenses [Text Block]	What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment U.S. Large-Cap Core Fund - I Class $31 0.57%
Expenses Paid, Amount	$ 31
Expense Ratio, Percent	0.57%
Updated Performance Information Location [Text Block]	If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless
AssetsNet	$ 19,146,198,000
Holdings Count \| Holding	80
InvestmentCompanyPortfolioTurnover	24.90%
Additional Fund Statistics [Text Block]	What are some fund statistics? Fund Statistics Total Net Assets (000s) $19,146,198 Number of Portfolio Holdings 80
Additional Fund Statistics Significance or Limits [Text Block]	Portfolio Turnover Rate 24.9%
Holdings [Text Block]	Sector Allocation Information Technology 31.2 % Health Care 12.2 Financials 11.7 Industrials & Business Services 11.6 Consumer Discretionary 9.5 Communication Services 7.6 Consumer Staples 6.2 Energy 5.6 Materials 3.2 Other 1.2
Largest Holdings [Text Block]	Top Ten Holdings Microsoft 7.9 % NVIDIA 7.3 Apple 4.9 Alphabet 4.6 Amazon.com 4.4 Visa 2.5 UnitedHealth Group 2.0 Thermo Fisher Scientific 1.9 JPMorgan Chase 1.9 Eli Lilly 1.6
Material Fund Change [Text Block]
Updated Prospectus Web Address	www.troweprice.com/paperless</span>" id="sjs-B84"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span>
C000219317
Shareholder Report [Line Items]
Fund Name	U.S. Large-Cap Core Fund
Class Name	Z Class
Trading Symbol	TRZLX
Annual or Semi-Annual Statement [Text Block]	This semi-annual shareholder report contains important information about U.S. Large-Cap Core Fund (the "fund") for the period of January 1, 2024 to June 30, 2024. You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information at www.troweprice.com/prospectus info troweprice.com
Material Fund Change Notice [Text Block]
Additional Information Phone Number	1‑800‑638‑5660
Additional Information Email	info@troweprice.com</span>" id="sjs-B95"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">info@troweprice.com</span>
Additional Information Website	www.troweprice.com/prospectus</span>" id="sjs-B96"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 700; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/prospectus</span>
Expenses [Text Block]	What were the fund costs for the last six months? Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment U.S. Large-Cap Core Fund - Z Class $0 0.00%
Expenses Paid, Amount	$ 0
Expense Ratio, Percent	0%
Updated Performance Information Location [Text Block]	If you invest directly with T. Rowe Price, you can elect to receive future shareholder reports or other important documents through electronic delivery by enrolling at www.troweprice.com/paperless
AssetsNet	$ 19,146,198,000
Holdings Count \| Holding	80
InvestmentCompanyPortfolioTurnover	24.90%
Additional Fund Statistics [Text Block]	What are some fund statistics? Fund Statistics Total Net Assets (000s) $19,146,198 Number of Portfolio Holdings 80
Additional Fund Statistics Significance or Limits [Text Block]	Portfolio Turnover Rate 24.9%
Holdings [Text Block]	Sector Allocation Information Technology 31.2 % Health Care 12.2 Financials 11.7 Industrials & Business Services 11.6 Consumer Discretionary 9.5 Communication Services 7.6 Consumer Staples 6.2 Energy 5.6 Materials 3.2 Other 1.2
Largest Holdings [Text Block]	Top Ten Holdings Microsoft 7.9 % NVIDIA 7.3 Apple 4.9 Alphabet 4.6 Amazon.com 4.4 Visa 2.5 UnitedHealth Group 2.0 Thermo Fisher Scientific 1.9 JPMorgan Chase 1.9 Eli Lilly 1.6
Material Fund Change [Text Block]
Updated Prospectus Web Address	www.troweprice.com/paperless</span>" id="sjs-B109"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 13.8667px; margin: 0px; overflow: visible; text-align: justify;">www.troweprice.com/paperless</span>

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Jun. 30, 2024
C000078270 \| Microsoft
Holdings [Line Items]
Percent of Net Asset Value	7.90%
C000078270 \| NVIDIA
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000078270 \| Apple
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000078270 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000078270 \| Amazon.com
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000078270 \| Visa
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000078270 \| UnitedHealth Group
Holdings [Line Items]
Percent of Net Asset Value	2%
C000078270 \| Thermo Fisher Scientific
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000078270 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000078270 \| Eli Lilly
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000078270 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	31.20%
C000078270 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.20%
C000078270 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000078270 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000078270 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000078270 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	7.60%
C000078270 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000078270 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000078270 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000078271 \| Microsoft
Holdings [Line Items]
Percent of Net Asset Value	7.90%
C000078271 \| NVIDIA
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000078271 \| Apple
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000078271 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000078271 \| Amazon.com
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000078271 \| Visa
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000078271 \| UnitedHealth Group
Holdings [Line Items]
Percent of Net Asset Value	2%
C000078271 \| Thermo Fisher Scientific
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000078271 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000078271 \| Eli Lilly
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000078271 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	31.20%
C000078271 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.20%
C000078271 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000078271 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000078271 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000078271 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	7.60%
C000078271 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000078271 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000078271 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000177203 \| Microsoft
Holdings [Line Items]
Percent of Net Asset Value	7.90%
C000177203 \| NVIDIA
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000177203 \| Apple
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000177203 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000177203 \| Amazon.com
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000177203 \| Visa
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000177203 \| UnitedHealth Group
Holdings [Line Items]
Percent of Net Asset Value	2%
C000177203 \| Thermo Fisher Scientific
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000177203 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000177203 \| Eli Lilly
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000177203 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	31.20%
C000177203 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.20%
C000177203 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000177203 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000177203 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000177203 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	7.60%
C000177203 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000177203 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000177203 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000219317 \| Microsoft
Holdings [Line Items]
Percent of Net Asset Value	7.90%
C000219317 \| NVIDIA
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000219317 \| Apple
Holdings [Line Items]
Percent of Net Asset Value	4.90%
C000219317 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000219317 \| Amazon.com
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000219317 \| Visa
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000219317 \| UnitedHealth Group
Holdings [Line Items]
Percent of Net Asset Value	2%
C000219317 \| Thermo Fisher Scientific
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000219317 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000219317 \| Eli Lilly
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000219317 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	31.20%
C000219317 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.20%
C000219317 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	11.70%
C000219317 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	11.60%
C000219317 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000219317 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	7.60%
C000219317 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	6.20%
C000219317 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	5.60%
C000219317 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	3.20%