v3.25.4
Employee Benefit Plans - Rollforward of Level 3 Plan Assets (Details) - U.S. - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Balance at beginning of period $ 2,186 $ 2,422
Balance at end of period 2,361 2,186
Level 3    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Balance at beginning of period 70 71
Realized and unrealized gains 2 2
Purchases, sales, settlements and exchange rate changes, net 8 (3)
Balance at end of period $ 80 $ 70