v3.26.1
Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 29,530 $ 28,021 $ 28,969 $ 27,698
Net current period other comprehensive income/(loss) (6) 85 (33) 120
Ending balance 29,620 28,505 29,620 28,505
Total        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (251) (303) (224) (338)
Other comprehensive income/(loss) (6) 86 (33) 122
Income tax expense 0 (1) 0 (2)
Net current period other comprehensive income/(loss) (6) 85 (33) 120
Ending balance (257) (218) (257) (218)
Foreign currency translation adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (214) (250) (186) (285)
Other comprehensive income/(loss) (6) 88 (34) 123
Income tax expense 0 (1) 0 (1)
Net current period other comprehensive income/(loss) (6) 87 (34) 122
Ending balance (220) (163) (220) (163)
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) (62) (47) (62)
Other comprehensive income/(loss) 0 (2) 0 (2)
Income tax expense 0 0 0 0
Net current period other comprehensive income/(loss) 0 (2) 0 (2)
Ending balance $ (47) $ (64) $ (47) $ (64)