v3.25.2
Shareholder Report
12 Months Ended
May 31, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name T. ROWE PRICE RETIREMENT FUNDS, INC.
Entity Central Index Key 0001177017
Entity Investment Company Type N-1A
Document Period End Date May 31, 2025
C000005490  
Shareholder Report [Line Items]  
Fund Name Retirement 2020 Fund
Class Name Investor Class
Trading Symbol TRRBX
Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Retirement 2020 Fund (the "fund") for the period of June 1, 2024 to May 31, 2025. 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary. 

Shareholder Report Annual or Semi-Annual 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <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; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last year? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Retirement 2020 Fund - Investor Class
$54
0.52%
Expenses Paid, Amount $ 54
Expense Ratio, Percent 0.52%
Factors Affecting Performance [Text Block]

What drove fund performance during the past 12 months?

  • Global stock indexes and fixed income markets were broadly positive for the 12 months ended May 31, 2025. Many major central banks began easing interest rates early in the period as inflation slowed. Early optimism over the U.S. election of President Donald Trump brought, first, a boost to U.S. equities, followed by heightened volatility in global equity markets amid concerns over Trump’s fluctuating tariff policies.

  • Compared with the style-specific S&P Target Date 2020 Index, glide path effect contributed to results for the trailing one-year period. Despite volatility later in the period, global equity and fixed income markets advanced for the year amid optimism surrounding central bank interest rate cuts and solid corporate earnings, and the fund’s greater total equity exposure versus the benchmark was beneficial. Additionally, our diversified U.S. mid-cap equity structure added value, as our dedicated allocations to growth and value outpaced the benchmark’s core-oriented mid-cap equity allocation.

  • Conversely, a leading detractor from relative results was security selection within the US Mid-cap Growth Equity Strategy, which trailed its benchmark. The fund’s smaller allocation to U.S. large-cap equities versus small- and mid-cap equities compared with the benchmark also detracted.

  • The fund seeks the highest total return over time consistent with an emphasis on both capital growth and income. The fund invests in a diversified portfolio of other T. Rowe Price stock and bond mutual funds that represent various asset classes and sectors. Its allocation among T. Rowe Price funds will change over time in relation to its target retirement date.

Performance Past Does Not Indicate Future [Text] The fund’s past performance is not a good predictor of the fund’s future performance.
Line Graph [Table Text Block]
A line chart as described in the following paragraph.
Investor Class
Regulatory Benchmark
Strategy Benchmark
2015
10,000
10,000
10,000
2015
9,481
9,945
9,560
2015
9,690
9,988
9,799
2016
9,213
10,164
9,390
2016
9,859
10,299
9,953
2016
10,228
10,539
10,268
2016
10,150
10,205
10,207
2017
10,698
10,308
10,674
2017
11,101
10,462
10,964
2017
11,403
10,591
11,181
2017
11,811
10,533
11,578
2018
11,929
10,360
11,630
2018
11,934
10,423
11,701
2018
12,209
10,480
11,983
2018
11,750
10,391
11,588
2019
12,139
10,689
11,883
2019
12,191
11,090
11,933
2019
12,729
11,546
12,399
2019
13,198
11,513
12,835
2020
12,958
11,937
12,604
2020
12,946
12,134
12,708
2020
14,173
12,293
13,577
2020
14,820
12,351
14,053
2021
15,530
12,102
14,441
2021
16,295
12,085
15,039
2021
16,784
12,283
15,450
2021
16,556
12,209
15,304
2022
16,007
11,782
14,902
2022
15,149
11,091
14,186
2022
14,580
10,868
13,728
2022
14,777
10,641
13,882
2023
14,772
10,637
13,961
2023
15,030
10,854
14,211
2023
15,546
10,738
14,594
2023
15,692
10,767
14,712
2024
16,680
10,991
15,512
2024
17,093
10,995
15,815
2024
17,874
11,522
16,599
2024
18,268
11,507
16,859
2025
18,312
11,629
16,955
2025
18,446
11,596
17,155
Average Annual Return [Table Text Block]
 
1 Year
5 Years
10 Years
Retirement 2020 Fund (Investor Class)
7.92%
7.34%
6.31%
Bloomberg U.S. Aggregate Bond Index (Regulatory Benchmark)
5.46
-0.90
1.49
S&P Target Date 2020 Index (Strategy Benchmark)
8.47
6.18
5.55
No Deduction of Taxes [Text Block] Neither the fund’s returns nor the index returns reflect the deduction of taxes that a shareholder would pay on fund distributions or redemptions of fund shares.
Updated Performance Information Location [Text Block] Updated performance information can be found at www.troweprice.com.
Distribution of Capital [Text Block] The fund's total return figures reflect the reinvestment of dividends and capital gains, if any.
AssetsNet $ 13,822,271,000
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 63,408,000
InvestmentCompanyPortfolioTurnover 13.40%
Additional Fund Statistics Significance or Limits [Text Block]

What are some fund statistics?

Fund Statistics

  • Total Net Assets (000s)$13,822,271
  • Number of Portfolio Holdings31
Holdings [Text Block]
Domestic Equity Funds
38.4%
Domestic Bond Funds
32.3
International Equity Funds
13.9
International Bond Funds
13.1
U.S. Treasury Debt
0.2
Short-Term and Other
2.1
Largest Holdings [Text Block]
T. Rowe Price New Income Fund
14.3%
T. Rowe Price Limited Duration Inflation Focused Bond Fund
11.8
T. Rowe Price Value Fund
7.3
T. Rowe Price Growth Stock Fund
7.0
T. Rowe Price International Bond Fund (USD Hedged)
5.6
T. Rowe Price Hedged Equity Fund
5.2
T. Rowe Price U.S. Large-Cap Core Fund
5.0
T. Rowe Price Equity Index 500 Fund
4.9
T. Rowe Price International Value Equity Fund
4.3
T. Rowe Price Overseas Stock Fund
3.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000005491  
Shareholder Report [Line Items]  
Fund Name Retirement 2020 Fund
Class Name Advisor Class
Trading Symbol PARBX
Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Retirement 2020 Fund (the "fund") for the period of June 1, 2024 to May 31, 2025. 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary. 

Shareholder Report Annual or Semi-Annual 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <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; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last year? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Retirement 2020 Fund - Advisor Class
$80
0.77%
Expenses Paid, Amount $ 80
Expense Ratio, Percent 0.77%
Factors Affecting Performance [Text Block]

What drove fund performance during the past 12 months?

  • Global stock indexes and fixed income markets were broadly positive for the 12 months ended May 31, 2025. Many major central banks began easing interest rates early in the period as inflation slowed. Early optimism over the U.S. election of President Donald Trump brought, first, a boost to U.S. equities, followed by heightened volatility in global equity markets amid concerns over Trump’s fluctuating tariff policies.

  • Compared with the style-specific S&P Target Date 2020 Index, glide path effect contributed to results for the trailing one-year period. Despite volatility later in the period, global equity and fixed income markets advanced for the year amid optimism surrounding central bank interest rate cuts and solid corporate earnings, and the fund’s greater total equity exposure versus the benchmark was beneficial. Additionally, our diversified U.S. mid-cap equity structure added value, as our dedicated allocations to growth and value outpaced the benchmark’s core-oriented mid-cap equity allocation.

  • Conversely, a leading detractor from relative results was security selection within the US Mid-cap Growth Equity Strategy, which trailed its benchmark. The fund’s smaller allocation to U.S. large-cap equities versus small- and mid-cap equities compared with the benchmark also detracted.

  • The fund seeks the highest total return over time consistent with an emphasis on both capital growth and income. The fund invests in a diversified portfolio of other T. Rowe Price stock and bond mutual funds that represent various asset classes and sectors. Its allocation among T. Rowe Price funds will change over time in relation to its target retirement date.

Performance Past Does Not Indicate Future [Text] The fund’s past performance is not a good predictor of the fund’s future performance.
Line Graph [Table Text Block]
A line chart as described in the following paragraph.
Advisor Class
Regulatory Benchmark
Strategy Benchmark
2015
10,000
10,000
10,000
2015
9,477
9,945
9,560
2015
9,683
9,988
9,799
2016
9,198
10,164
9,390
2016
9,837
10,299
9,953
2016
10,199
10,539
10,268
2016
10,116
10,205
10,207
2017
10,656
10,308
10,674
2017
11,049
10,462
10,964
2017
11,342
10,591
11,181
2017
11,741
10,533
11,578
2018
11,854
10,360
11,630
2018
11,849
10,423
11,701
2018
12,113
10,480
11,983
2018
11,654
10,391
11,588
2019
12,029
10,689
11,883
2019
12,075
11,090
11,933
2019
12,595
11,546
12,399
2019
13,051
11,513
12,835
2020
12,807
11,937
12,604
2020
12,789
12,134
12,708
2020
13,993
12,293
13,577
2020
14,620
12,351
14,053
2021
15,313
12,102
14,441
2021
16,061
12,085
15,039
2021
16,536
12,283
15,450
2021
16,295
12,209
15,304
2022
15,742
11,782
14,902
2022
14,896
11,091
14,186
2022
14,323
10,868
13,728
2022
14,512
10,641
13,882
2023
14,497
10,637
13,961
2023
14,736
10,854
14,211
2023
15,239
10,738
14,594
2023
15,367
10,767
14,712
2024
16,327
10,991
15,512
2024
16,718
10,995
15,815
2024
17,472
11,522
16,599
2024
17,854
11,507
16,859
2025
17,887
11,629
16,955
2025
18,001
11,596
17,155
Average Annual Return [Table Text Block]
 
1 Year
5 Years
10 Years
Retirement 2020 Fund (Advisor Class)
7.67%
7.08%
6.05%
Bloomberg U.S. Aggregate Bond Index (Regulatory Benchmark)
5.46
-0.90
1.49
S&P Target Date 2020 Index (Strategy Benchmark)
8.47
6.18
5.55
No Deduction of Taxes [Text Block] Neither the fund’s returns nor the index returns reflect the deduction of taxes that a shareholder would pay on fund distributions or redemptions of fund shares.
Updated Performance Information Location [Text Block] Updated performance information can be found at www.troweprice.com.
Distribution of Capital [Text Block] The fund's total return figures reflect the reinvestment of dividends and capital gains, if any.
AssetsNet $ 13,822,271,000
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 63,408,000
InvestmentCompanyPortfolioTurnover 13.40%
Additional Fund Statistics Significance or Limits [Text Block]

What are some fund statistics?

Fund Statistics

  • Total Net Assets (000s)$13,822,271
  • Number of Portfolio Holdings31
Holdings [Text Block]
Domestic Equity Funds
38.4%
Domestic Bond Funds
32.3
International Equity Funds
13.9
International Bond Funds
13.1
U.S. Treasury Debt
0.2
Short-Term and Other
2.1
Largest Holdings [Text Block]
T. Rowe Price New Income Fund
14.3%
T. Rowe Price Limited Duration Inflation Focused Bond Fund
11.8
T. Rowe Price Value Fund
7.3
T. Rowe Price Growth Stock Fund
7.0
T. Rowe Price International Bond Fund (USD Hedged)
5.6
T. Rowe Price Hedged Equity Fund
5.2
T. Rowe Price U.S. Large-Cap Core Fund
5.0
T. Rowe Price Equity Index 500 Fund
4.9
T. Rowe Price International Value Equity Fund
4.3
T. Rowe Price Overseas Stock Fund
3.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000005492  
Shareholder Report [Line Items]  
Fund Name Retirement 2020 Fund
Class Name R Class
Trading Symbol RRTBX
Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Retirement 2020 Fund (the "fund") for the period of June 1, 2024 to May 31, 2025. 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary. 

Shareholder Report Annual or Semi-Annual 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <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; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last year? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Retirement 2020 Fund - R Class
$106
1.02%
Expenses Paid, Amount $ 106
Expense Ratio, Percent 1.02%
Factors Affecting Performance [Text Block]

What drove fund performance during the past 12 months?

  • Global stock indexes and fixed income markets were broadly positive for the 12 months ended May 31, 2025. Many major central banks began easing interest rates early in the period as inflation slowed. Early optimism over the U.S. election of President Donald Trump brought, first, a boost to U.S. equities, followed by heightened volatility in global equity markets amid concerns over Trump’s fluctuating tariff policies.

  • Compared with the style-specific S&P Target Date 2020 Index, glide path effect contributed to results for the trailing one-year period. Despite volatility later in the period, global equity and fixed income markets advanced for the year amid optimism surrounding central bank interest rate cuts and solid corporate earnings, and the fund’s greater total equity exposure versus the benchmark was beneficial. Additionally, our diversified U.S. mid-cap equity structure added value, as our dedicated allocations to growth and value outpaced the benchmark’s core-oriented mid-cap equity allocation.

  • Conversely, a leading detractor from relative results was security selection within the US Mid-cap Growth Equity Strategy, which trailed its benchmark. The fund’s smaller allocation to U.S. large-cap equities versus small- and mid-cap equities compared with the benchmark also detracted.

  • The fund seeks the highest total return over time consistent with an emphasis on both capital growth and income. The fund invests in a diversified portfolio of other T. Rowe Price stock and bond mutual funds that represent various asset classes and sectors. Its allocation among T. Rowe Price funds will change over time in relation to its target retirement date.

Performance Past Does Not Indicate Future [Text] The fund’s past performance is not a good predictor of the fund’s future performance.
Line Graph [Table Text Block]
A line chart as described in the following paragraph.
R Class
Regulatory Benchmark
Strategy Benchmark
2015
10,000
10,000
10,000
2015
9,472
9,945
9,560
2015
9,670
9,988
9,799
2016
9,181
10,164
9,390
2016
9,811
10,299
9,953
2016
10,170
10,539
10,268
2016
10,081
10,205
10,207
2017
10,609
10,308
10,674
2017
10,995
10,462
10,964
2017
11,284
10,591
11,181
2017
11,669
10,533
11,578
2018
11,772
10,360
11,630
2018
11,762
10,423
11,701
2018
12,016
10,480
11,983
2018
11,550
10,391
11,588
2019
11,917
10,689
11,883
2019
11,958
11,090
11,933
2019
12,466
11,546
12,399
2019
12,911
11,513
12,835
2020
12,656
11,937
12,604
2020
12,632
12,134
12,708
2020
13,815
12,293
13,577
2020
14,422
12,351
14,053
2021
15,094
12,102
14,441
2021
15,820
12,085
15,039
2021
16,280
12,283
15,450
2021
16,034
12,209
15,304
2022
15,478
11,782
14,902
2022
14,636
11,091
14,186
2022
14,072
10,868
13,728
2022
14,245
10,641
13,882
2023
14,219
10,637
13,961
2023
14,448
10,854
14,211
2023
14,924
10,738
14,594
2023
15,043
10,767
14,712
2024
15,979
10,991
15,512
2024
16,350
10,995
15,815
2024
17,073
11,522
16,599
2024
17,435
11,507
16,859
2025
17,452
11,629
16,955
2025
17,556
11,596
17,155
Average Annual Return [Table Text Block]
 
1 Year
5 Years
10 Years
Retirement 2020 Fund (R Class)
7.38%
6.81%
5.79%
Bloomberg U.S. Aggregate Bond Index (Regulatory Benchmark)
5.46
-0.90
1.49
S&P Target Date 2020 Index (Strategy Benchmark)
8.47
6.18
5.55
No Deduction of Taxes [Text Block] Neither the fund’s returns nor the index returns reflect the deduction of taxes that a shareholder would pay on fund distributions or redemptions of fund shares.
Updated Performance Information Location [Text Block] Updated performance information can be found at www.troweprice.com.
Distribution of Capital [Text Block] The fund's total return figures reflect the reinvestment of dividends and capital gains, if any.
AssetsNet $ 13,822,271,000
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 63,408,000
InvestmentCompanyPortfolioTurnover 13.40%
Additional Fund Statistics Significance or Limits [Text Block]

What are some fund statistics?

Fund Statistics

  • Total Net Assets (000s)$13,822,271
  • Number of Portfolio Holdings31
Holdings [Text Block]
Domestic Equity Funds
38.4%
Domestic Bond Funds
32.3
International Equity Funds
13.9
International Bond Funds
13.1
U.S. Treasury Debt
0.2
Short-Term and Other
2.1
Largest Holdings [Text Block]
T. Rowe Price New Income Fund
14.3%
T. Rowe Price Limited Duration Inflation Focused Bond Fund
11.8
T. Rowe Price Value Fund
7.3
T. Rowe Price Growth Stock Fund
7.0
T. Rowe Price International Bond Fund (USD Hedged)
5.6
T. Rowe Price Hedged Equity Fund
5.2
T. Rowe Price U.S. Large-Cap Core Fund
5.0
T. Rowe Price Equity Index 500 Fund
4.9
T. Rowe Price International Value Equity Fund
4.3
T. Rowe Price Overseas Stock Fund
3.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000244821  
Shareholder Report [Line Items]  
Fund Name Retirement 2020 Fund
Class Name I Class
Trading Symbol TRDBX
Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Retirement 2020 Fund (the "fund") for the period of June 1, 2024 to May 31, 2025. 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary. 

Shareholder Report Annual or Semi-Annual 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 atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <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; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last year? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Retirement 2020 Fund - I Class
$38
0.37%
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.37%
Factors Affecting Performance [Text Block]

What drove fund performance during the past 12 months?

  • Global stock indexes and fixed income markets were broadly positive for the 12 months ended May 31, 2025. Many major central banks began easing interest rates early in the period as inflation slowed. Early optimism over the U.S. election of President Donald Trump brought, first, a boost to U.S. equities, followed by heightened volatility in global equity markets amid concerns over Trump’s fluctuating tariff policies.

  • Compared with the style-specific S&P Target Date 2020 Index, glide path effect contributed to results for the trailing one-year period. Despite volatility later in the period, global equity and fixed income markets advanced for the year amid optimism surrounding central bank interest rate cuts and solid corporate earnings, and the fund’s greater total equity exposure versus the benchmark was beneficial. Additionally, our diversified U.S. mid-cap equity structure added value, as our dedicated allocations to growth and value outpaced the benchmark’s core-oriented mid-cap equity allocation.

  • Conversely, a leading detractor from relative results was security selection within the US Mid-cap Growth Equity Strategy, which trailed its benchmark. The fund’s smaller allocation to U.S. large-cap equities versus small- and mid-cap equities compared with the benchmark also detracted.

  • The fund seeks the highest total return over time consistent with an emphasis on both capital growth and income. The fund invests in a diversified portfolio of other T. Rowe Price stock and bond mutual funds that represent various asset classes and sectors. Its allocation among T. Rowe Price funds will change over time in relation to its target retirement date.

Performance Past Does Not Indicate Future [Text] The fund’s past performance is not a good predictor of the fund’s future performance.
Line Graph [Table Text Block]
A line chart as described in the following paragraph.
I Class
Regulatory Benchmark
Strategy Benchmark
11/13/23
500,000
500,000
500,000
11/30/23
514,673
512,174
514,888
2/29/24
547,482
522,826
542,917
5/31/24
561,350
523,046
553,510
8/31/24
586,975
548,095
580,945
11/30/24
600,541
547,386
590,032
2/28/25
601,901
553,193
593,405
5/31/25
606,631
551,599
600,409
Average Annual Return [Table Text Block]
 
1 Year
Since Inception 11/13/23
Retirement 2020 Fund (I Class)
8.07%
13.32%
Bloomberg U.S. Aggregate Bond Index (Regulatory Benchmark)
5.46
6.56
S&P Target Date 2020 Index (Strategy Benchmark)
8.47
12.56
Performance Inception Date Nov. 13, 2023
No Deduction of Taxes [Text Block] Neither the fund’s returns nor the index returns reflect the deduction of taxes that a shareholder would pay on fund distributions or redemptions of fund shares.
Updated Performance Information Location [Text Block] Updated performance information can be found at www.troweprice.com.
Distribution of Capital [Text Block] The fund's total return figures reflect the reinvestment of dividends and capital gains, if any.
AssetsNet $ 13,822,271,000
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 63,408,000
InvestmentCompanyPortfolioTurnover 13.40%
Additional Fund Statistics Significance or Limits [Text Block]

What are some fund statistics?

Fund Statistics

  • Total Net Assets (000s)$13,822,271
  • Number of Portfolio Holdings31
Holdings [Text Block]
Domestic Equity Funds
38.4%
Domestic Bond Funds
32.3
International Equity Funds
13.9
International Bond Funds
13.1
U.S. Treasury Debt
0.2
Short-Term and Other
2.1
Largest Holdings [Text Block]
T. Rowe Price New Income Fund
14.3%
T. Rowe Price Limited Duration Inflation Focused Bond Fund
11.8
T. Rowe Price Value Fund
7.3
T. Rowe Price Growth Stock Fund
7.0
T. Rowe Price International Bond Fund (USD Hedged)
5.6
T. Rowe Price Hedged Equity Fund
5.2
T. Rowe Price U.S. Large-Cap Core Fund
5.0
T. Rowe Price Equity Index 500 Fund
4.9
T. Rowe Price International Value Equity Fund
4.3
T. Rowe Price Overseas Stock Fund
3.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless