v3.26.1
Interest in the Stable Master Trust (Details) - EBP Plan No. 003 - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Master Trust [Line Items]    
Percentage interest in Master Trust (as a percent) 97.38% 97.19%
Net assets available for benefits $ 71,680,974,169 $ 63,252,937,108
Net increase (decrease) 8,428,037,061  
Net assets:    
Beginning of year 63,252,937,108  
End of year 71,680,974,169  
Plan interest in the Stable Value Master Trust investment income 161,207,334  
Master Trust    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 5,574,840,553 5,506,604,695
Accrued expenses (341,994) (343,482)
Net assets available for benefits 5,574,498,559 5,506,261,213
Interest 167,208,963  
Net transfers (97,548,229)  
Investment management and other expenses (1,423,388)  
Net increase (decrease) 68,237,346  
Net assets:    
Beginning of year 5,506,261,213  
End of year 5,574,498,559  
Master Trust | Short-term investment fund    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 52,641,084 79,503,123
Master Trust | Fixed maturity synthetic guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 538,518,434 482,446,942
Master Trust | Constant duration synthetic guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 4,190,550,023 4,148,004,782
Master Trust | Insurance company separate account guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 793,131,012 796,649,848
Plan Interest in Master Trust    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 5,428,848,371 5,351,619,718
Accrued expenses (333,038) (333,815)
Net assets available for benefits 5,428,515,333 5,351,285,903
Net increase (decrease) 161,207,334  
Net assets:    
Beginning of year 5,351,285,903  
End of year 5,428,515,333  
Plan Interest in Master Trust | Short-term investment fund    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 51,262,536 77,265,485
Plan Interest in Master Trust | Fixed maturity synthetic guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 524,415,881 468,868,334
Plan Interest in Master Trust | Constant duration synthetic guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value 4,080,809,209 4,031,257,991
Plan Interest in Master Trust | Insurance company separate account guaranteed investment contracts    
EBP, Master Trust [Line Items]    
Investment in Master Trust, contract value $ 772,360,745 $ 774,227,908