v3.25.4
Accumulated Other Comprehensive Income (Loss) - Components of AOCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance $ 7,713 $ 8,096 $ 6,927
Other comprehensive loss, net of tax (50) (351) (81)
Ending balance 7,772 7,713 8,096
Total      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance (2,712) (2,362) (2,278)
Other comprehensive income (loss), before reclassifications (15) (391) (96)
Amounts reclassified from other comprehensive income (40) 41 12
Other comprehensive loss, net of tax (55) (350) (84)
Ending balance (2,767) (2,712) (2,362)
Unrealized Gain (Loss) on Cash Flow Hedges      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance 72 (10) 46
Other comprehensive income (loss), before reclassifications (17) 37 (78)
Other comprehensive income (loss), before reclassifications     (80)
Amounts reclassified from other comprehensive income (28) 45 24
Other comprehensive loss, net of tax (45) 82 (56)
Ending balance 27 72 (10)
Change in Retirement Plans' Funded  Status      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance (348) (351) (285)
Other comprehensive income (loss), before reclassifications 45 7 (54)
Amounts reclassified from other comprehensive income (12) (4) (12)
Other comprehensive loss, net of tax 33 3 (66)
Ending balance (315) (348) (351)
Foreign  Currency Translation      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance (2,170) (1,763) (1,800)
Other comprehensive income (loss), before reclassifications (66) (407) 37
Amounts reclassified from other comprehensive income 0 0 0
Other comprehensive loss, net of tax (61) (408) 40
Other comprehensive income (loss), net of tax and adjustments (66) (407) 37
Ending balance (2,236) (2,170) (1,763)
Share of Other Comprehensive Income (loss) of Entities Using the Equity Method      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance (266) (238) (239)
Other comprehensive income (loss), before reclassifications 23 (28) 1
Amounts reclassified from other comprehensive income 0 0 0
Other comprehensive loss, net of tax 23 (28) 1
Ending balance (243) (266) (238)
AOCI Including Portion Attributable to Noncontrolling Interest      
Accumulated Other Comprehensive Income [Roll Forward]      
Other comprehensive loss, net of tax $ 5 $ (1) $ 3