v3.26.3
Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 29,620 $ 28,505 $ 28,969 $ 27,698
Net current period other comprehensive income/(loss) (6) (29) (39) 91
Ending balance 29,947 28,687 29,947 28,687
Total        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (257) (218) (224) (338)
Other comprehensive income/(loss) (6) (29) (39) 93
Income tax expense 0 0 0 (2)
Net current period other comprehensive income/(loss) (6) (29) (39) 91
Ending balance (263) (247) (263) (247)
Foreign currency translation adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (220) (163) (186) (285)
Other comprehensive income/(loss) (5) (29) (39) 94
Income tax expense 0 0 0 (1)
Net current period other comprehensive income/(loss) (5) (29) (39) 93
Ending balance (225) (192) (225) (192)
Comprehensive income from equity method investment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance 10 9 9 9
Other comprehensive income/(loss) 0 0 1 1
Income tax expense 0 0 0 (1)
Net current period other comprehensive income/(loss) 0 0 1 0
Ending balance 10 9 10 9
Employee benefit plans adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (47) (64) (47) (62)
Other comprehensive income/(loss) (1) 0 (1) (2)
Income tax expense 0 0 0 0
Net current period other comprehensive income/(loss) (1) 0 (1) (2)
Ending balance $ (48) $ (64) $ (48) $ (64)