v3.26.1
Expense Example
Jul. 27, 2026
USD ($)
T. Rowe Price Retirement Blend 2005 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 35
Expense Example, with Redemption, 3 Years 109
Expense Example, with Redemption, 5 Years 191
Expense Example, with Redemption, 10 Years 431
T. Rowe Price Retirement Blend 2005 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 19
Expense Example, with Redemption, 3 Years 61
Expense Example, with Redemption, 5 Years 107
Expense Example, with Redemption, 10 Years 243
T. Rowe Price Retirement Blend 2010 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 35
Expense Example, with Redemption, 3 Years 109
Expense Example, with Redemption, 5 Years 191
Expense Example, with Redemption, 10 Years 431
T. Rowe Price Retirement Blend 2010 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 19
Expense Example, with Redemption, 3 Years 61
Expense Example, with Redemption, 5 Years 107
Expense Example, with Redemption, 10 Years 243
T. Rowe Price Retirement Blend 2015 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 35
Expense Example, with Redemption, 3 Years 109
Expense Example, with Redemption, 5 Years 191
Expense Example, with Redemption, 10 Years 431
T. Rowe Price Retirement Blend 2015 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 19
Expense Example, with Redemption, 3 Years 61
Expense Example, with Redemption, 5 Years 107
Expense Example, with Redemption, 10 Years 243
T. Rowe Price Retirement Blend 2020 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 36
Expense Example, with Redemption, 3 Years 113
Expense Example, with Redemption, 5 Years 195
Expense Example, with Redemption, 10 Years 435
T. Rowe Price Retirement Blend 2020 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 20
Expense Example, with Redemption, 3 Years 64
Expense Example, with Redemption, 5 Years 111
Expense Example, with Redemption, 10 Years 247
T. Rowe Price Retirement Blend 2025 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 38
Expense Example, with Redemption, 3 Years 119
Expense Example, with Redemption, 5 Years 204
Expense Example, with Redemption, 10 Years 448
T. Rowe Price Retirement Blend 2025 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 22
Expense Example, with Redemption, 3 Years 68
Expense Example, with Redemption, 5 Years 117
Expense Example, with Redemption, 10 Years 258
T. Rowe Price Retirement Blend 2030 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 122
Expense Example, with Redemption, 5 Years 212
Expense Example, with Redemption, 10 Years 467
T. Rowe Price Retirement Blend 2030 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 23
Expense Example, with Redemption, 3 Years 71
Expense Example, with Redemption, 5 Years 122
Expense Example, with Redemption, 10 Years 270
T. Rowe Price Retirement Blend 2035 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 41
Expense Example, with Redemption, 3 Years 128
Expense Example, with Redemption, 5 Years 220
Expense Example, with Redemption, 10 Years 486
T. Rowe Price Retirement Blend 2035 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 24
Expense Example, with Redemption, 3 Years 74
Expense Example, with Redemption, 5 Years 128
Expense Example, with Redemption, 10 Years 283
T. Rowe Price Retirement Blend 2040 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 42
Expense Example, with Redemption, 3 Years 132
Expense Example, with Redemption, 5 Years 228
Expense Example, with Redemption, 10 Years 504
T. Rowe Price Retirement Blend 2040 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 25
Expense Example, with Redemption, 3 Years 77
Expense Example, with Redemption, 5 Years 134
Expense Example, with Redemption, 10 Years 295
T. Rowe Price Retirement Blend 2045 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 42
Expense Example, with Redemption, 3 Years 132
Expense Example, with Redemption, 5 Years 230
Expense Example, with Redemption, 10 Years 516
T. Rowe Price Retirement Blend 2045 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 25
Expense Example, with Redemption, 3 Years 77
Expense Example, with Redemption, 5 Years 135
Expense Example, with Redemption, 10 Years 304
T. Rowe Price Retirement Blend 2050 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 44
Expense Example, with Redemption, 3 Years 138
Expense Example, with Redemption, 5 Years 237
Expense Example, with Redemption, 10 Years 524
T. Rowe Price Retirement Blend 2050 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 26
Expense Example, with Redemption, 3 Years 80
Expense Example, with Redemption, 5 Years 139
Expense Example, with Redemption, 10 Years 310
T. Rowe Price Retirement Blend 2055 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 44
Expense Example, with Redemption, 3 Years 138
Expense Example, with Redemption, 5 Years 241
Expense Example, with Redemption, 10 Years 537
T. Rowe Price Retirement Blend 2055 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 26
Expense Example, with Redemption, 3 Years 80
Expense Example, with Redemption, 5 Years 141
Expense Example, with Redemption, 10 Years 316
T. Rowe Price Retirement Blend 2060 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 45
Expense Example, with Redemption, 3 Years 141
Expense Example, with Redemption, 5 Years 245
Expense Example, with Redemption, 10 Years 546
T. Rowe Price Retirement Blend 2060 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 145
Expense Example, with Redemption, 10 Years 322
T. Rowe Price Retirement Blend 2065 Fund - Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 45
Expense Example, with Redemption, 3 Years 141
Expense Example, with Redemption, 5 Years 246
Expense Example, with Redemption, 10 Years 553
T. Rowe Price Retirement Blend 2065 Fund - I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 146
Expense Example, with Redemption, 10 Years 329
T. Rowe Price Retirement Blend 2070 Fund-Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 45
Expense Example, with Redemption, 3 Years 141
Expense Example, with Redemption, 5 Years 246
Expense Example, with Redemption, 10 Years 555
T. Rowe Price Retirement Blend 2070 Fund-I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 146
Expense Example, with Redemption, 10 Years $ 331