Shareholders' Equity - AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	$ 22,178	$ 24,145	$ 24,317
Total other comprehensive income (loss), net of tax	457	(501)	19
Balance	22,740	22,178	24,145
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(2,988)	(2,487)	(2,509)
Other comprehensive income (loss) before reclassifications	824	(768)	511
Gain (Loss) on net investment hedges	(463)	192	(153)
Amounts reclassified from AOCI	(8)	119	(364)
Tax effect	104	(44)	28
Total other comprehensive income (loss), net of tax	457	(501)	22
Balance	(2,531)	(2,988)	(2,487)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(2,999)	(2,539)	(2,622)
Other comprehensive income (loss) before reclassifications	803	(607)	204
Gain (Loss) on net investment hedges	(463)	192	(153)
Amounts reclassified from AOCI	0	0	0
Tax effect	110	(45)	32
Total other comprehensive income (loss), net of tax	450	(460)	83
Balance	(2,549)	(2,999)	(2,539)
Deferred Gain (Loss) on Hedging Activities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	126	158	148
Other comprehensive income (loss) before reclassifications	(11)	(118)	337
Gain (Loss) on net investment hedges	0	0	0
Amounts reclassified from AOCI	4	77	(322)
Tax effect	0	9	(5)
Total other comprehensive income (loss), net of tax	(7)	(32)	10
Balance	119	126	158
Pension and Other Postretirement Benefit Liabilities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(100)	(108)	(22)
Other comprehensive income (loss) before reclassifications	36	(27)	(46)
Gain (Loss) on net investment hedges	0	0	0
Amounts reclassified from AOCI	(12)	42	(42)
Tax effect	(6)	(7)	2
Total other comprehensive income (loss), net of tax	18	8	(86)
Balance	(82)	(100)	(108)
Unrealized Gain (Loss) on Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(15)	2	(13)
Other comprehensive income (loss) before reclassifications	(4)	(16)	16
Gain (Loss) on net investment hedges	0	0	0
Amounts reclassified from AOCI	0	0	0
Tax effect	0	(1)	(1)
Total other comprehensive income (loss), net of tax	(4)	(17)	15
Balance	$ (19)	$ (15)	$ 2