v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - EBP 001
12 Months Ended
Dec. 31, 2025
USD ($)
loan
shares
Dec. 31, 2024
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]    
Entity tax identification number 80-0873306  
Plan number 001  
Notes receivable from participants, number of loans | loan 1,113  
Notes receivable from participants, cost $ 0  
Notes receivable from participants, current value after deemed distributions 8,276,307  
Asset held for investment, cost 985,677,606  
Asset held for investment, current value 1,061,273,687  
Notes receivable from participants, deemed distribution $ 114,144 $ 75,623
Maximum    
EBP, Schedule of Asset Held for Investment [Line Items]    
Notes receivable from participants, interest rate 10.50%  
Minimum    
EBP, Schedule of Asset Held for Investment [Line Items]    
Notes receivable from participants, interest rate 5.25%  
Mutual funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
Cost $ 74,466,297  
Current value 75,177,993  
Common/collective trust funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
Cost 885,584,070  
Current value $ 946,506,097  
Investment, Identifier [Axis]: Common stock, Genworth Financial, Inc.| Genworth Financial, Inc. common stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 976,323  
Cost $ 4,374,856  
Current value $ 8,816,197  
Investment, Identifier [Axis]: Common/collective trust funds| Acadian Asset Management| Acadian All Country World Ex-US Equity Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,940,363  
Cost $ 33,786,054  
Current value $ 34,926,543  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Fund Advisors| BlackRock EAFE Equity Index Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,711,859  
Cost $ 22,425,176  
Current value $ 24,618,188  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Fund Advisors| BlackRock Short-Term Investment Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 20,330,952  
Cost $ 20,330,952  
Current value $ 20,330,952  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock Equity Index    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 8,215,288  
Cost $ 254,075,668  
Current value $ 274,833,431  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2030 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 2,497,754  
Cost $ 111,300,867  
Current value $ 118,241,219  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2035 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 3,177,744  
Cost $ 38,092,045  
Current value $ 40,750,649  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2040 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,317,124  
Cost $ 85,622,902  
Current value $ 92,358,096  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2045 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,474,729  
Cost $ 18,574,763  
Current value $ 20,108,029  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2050 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,388,138  
Cost $ 60,467,240  
Current value $ 66,093,496  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2055 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 650,617  
Cost $ 8,910,118  
Current value $ 9,710,302  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2060 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 663,837  
Cost $ 13,369,684  
Current value $ 14,602,681  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2065 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 229,840  
Cost $ 3,017,232  
Current value $ 3,278,601  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index 2070 Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 67,704  
Cost $ 778,667  
Current value $ 815,429  
Investment, Identifier [Axis]: Common/collective trust funds| BlackRock Institutional Trust Company NA| BlackRock LifePath Index Retirement Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 4,710,723  
Cost $ 131,023,764  
Current value $ 138,309,369  
Investment, Identifier [Axis]: Common/collective trust funds| State Street Global Advisors| State Street Russell Small/Mid Cap Index Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 2,769,692  
Cost $ 53,993,154  
Current value $ 57,487,733  
Investment, Identifier [Axis]: Common/collective trust funds| State Street Global Advisors| State Street US Bond Index Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 725,134  
Cost $ 8,142,454  
Current value $ 8,368,049  
Investment, Identifier [Axis]: Common/collective trust funds| T. Rowe Price Associates, Inc.| T. Rowe Price Stable Value Common Trust Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 21,673,330  
Cost $ 21,673,330  
Current value $ 21,673,330  
Investment, Identifier [Axis]: Group variable annuity| Genworth Life and Annuity Insurance Company| ClearCourse Group Variable Annuity    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 685,249  
Cost $ 20,978,367  
Current value $ 22,223,077  
Investment, Identifier [Axis]: Mutual funds| Capital Research and Management Company| American Balanced Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 1,182,811  
Cost $ 44,007,999  
Current value $ 44,367,227  
Investment, Identifier [Axis]: Mutual funds| Dodge & Cox| Dodge & Cox Income Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investment, number of shares (in shares) | shares 2,395,860  
Cost $ 30,458,298  
Current value 30,810,766  
Investment, Identifier [Axis]: Short-term investments| Fidelity Asset Management| Interest-bearing cash    
EBP, Schedule of Asset Held for Investment [Line Items]    
Cost 274,016  
Current value $ 274,016