v3.26.1
Shareholders' Equity - AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance $ 22,740 $ 22,178
Total other comprehensive income (loss), net of tax 18 (120)
Balance 22,811 22,127
Accumulated Other Comprehensive Income (Loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance (2,531) (2,988)
Other comprehensive income (loss) before reclassifications (39) 14
Gain (Loss) on net investment hedges 61 (158)
Amounts reclassified from AOCI (6) (19)
Tax effect 4 43
Total other comprehensive income (loss), net of tax 20 (120)
Balance (2,511) (3,108)
Foreign Currency Translation Adjustment    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance (2,549) (2,999)
Other comprehensive income (loss) before reclassifications 13 25
Gain (Loss) on net investment hedges 61 (158)
Amounts reclassified from AOCI 0 0
Tax effect (14) 38
Total other comprehensive income (loss), net of tax 60 (95)
Balance (2,489) (3,094)
Deferred Gain (Loss) on Cash Flow Hedging Activities    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance 119 126
Other comprehensive income (loss) before reclassifications (48) 12
Gain (Loss) on net investment hedges 0 0
Amounts reclassified from AOCI (4) (17)
Tax effect 17 (1)
Total other comprehensive income (loss), net of tax (35) (6)
Balance 84 120
Pension and Other Postretirement Benefit Liabilities    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance (82) (100)
Other comprehensive income (loss) before reclassifications 0 (20)
Gain (Loss) on net investment hedges 0 0
Amounts reclassified from AOCI (2) (2)
Tax effect 1 6
Total other comprehensive income (loss), net of tax (1) (16)
Balance (83) (116)
Unrealized (Loss) on Investments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance (19) (15)
Other comprehensive income (loss) before reclassifications (4) (3)
Gain (Loss) on net investment hedges 0 0
Amounts reclassified from AOCI 0 0
Tax effect 0 0
Total other comprehensive income (loss), net of tax (4) (3)
Balance $ (23) $ (18)