v3.26.3
Shareholders' Equity - AOCI (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 $ 23,580 $ 22,438 $ 22,740 $ 22,178
Total other comprehensive income, net of tax 31 182 94 378
Ending balance 23,858 22,502 23,858 22,502
Accumulated Other Comprehensive Income (Loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (2,467) (2,792) (2,531) (2,988)
Other comprehensive income (loss) before reclassifications 38 167 (78) 721
Gain (loss) on net investment hedges 18 15 101 (460)
Amounts reclassified from AOCI (7) 19 96 7
Tax effect (17) (19) (23) 110
Total other comprehensive income, net of tax 32 182 96 378
Ending balance (2,435) (2,610) (2,435) (2,610)
Foreign Currency Translation Adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (2,417) (2,737) (2,549) (2,999)
Other comprehensive income (loss) before reclassifications (66) 120 3 744
Gain (loss) on net investment hedges 18 15 101 (460)
Amounts reclassified from AOCI 0 0 0 0
Tax effect (4) (4) (24) 109
Total other comprehensive income, net of tax (52) 131 80 393
Ending balance (2,469) (2,606) (2,469) (2,606)
Deferred Gain (Loss) on Cash Flow Hedging Activities        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance 54 74 119 126
Other comprehensive income (loss) before reclassifications 105 45 (79) (13)
Gain (loss) on net investment hedges 0 0 0 0
Amounts reclassified from AOCI (4) 22 103 16
Tax effect (14) (14) (2) (2)
Total other comprehensive income, net of tax 87 53 22 1
Ending balance 141 127 141 127
Pension and Other Postretirement Benefit Liabilities        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (85) (110) (82) (100)
Other comprehensive income (loss) before reclassifications 0 2 0 (6)
Gain (loss) on net investment hedges 0 0 0 0
Amounts reclassified from AOCI (3) (3) (7) (9)
Tax effect 1 (1) 2 3
Total other comprehensive income, net of tax (2) (2) (5) (12)
Ending balance (87) (112) (87) (112)
Unrealized Gain (Loss) on Investments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (19) (19) (19) (15)
Other comprehensive income (loss) before reclassifications (1) 0 (2) (4)
Gain (loss) on net investment hedges 0 0 0 0
Amounts reclassified from AOCI 0 0 0 0
Tax effect 0 0 1 0
Total other comprehensive income, net of tax (1) 0 (1) (4)
Ending balance $ (20) $ (19) $ (20) $ (19)