Shareholders' Equity - AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	$ 24,145	$ 24,317	$ 22,508
Total other comprehensive income (loss), net of tax	(501)	19	(357)
Balance	22,178	24,145	24,317
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(2,487)	(2,509)	(2,172)
Other comprehensive income (loss) before reclassifications	(768)	511	(236)
Gain (loss) from net investment hedges	192	(153)	328
Amounts reclassified from AOCI	119	(364)	(329)
Tax effect	(44)	28	(100)
Total other comprehensive income (loss), net of tax	(501)	22	(337)
Balance	(2,988)	(2,487)	(2,509)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(2,539)	(2,622)	(2,248)
Other comprehensive income (loss) before reclassifications	(607)	204	(609)
Gain (loss) from net investment hedges	192	(153)	328
Amounts reclassified from AOCI	0	0	0
Tax effect	(45)	32	(93)
Total other comprehensive income (loss), net of tax	(460)	83	(374)
Balance	(2,999)	(2,539)	(2,622)
Deferred Gain (Loss) on Hedging Activities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	158	148	225
Other comprehensive income (loss) before reclassifications	(118)	337	268
Gain (loss) from net investment hedges		0	0
Amounts reclassified from AOCI	77	(322)	(352)
Tax effect	9	(5)	7
Total other comprehensive income (loss), net of tax	(32)	10	(77)
Balance	126	158	148
Pension and Other Postretirement Benefit Liabilities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(108)	(22)	(147)
Other comprehensive income (loss) before reclassifications	(27)	(46)	117
Gain (loss) from net investment hedges	0	0	0
Amounts reclassified from AOCI	42	(42)	23
Tax effect	(7)	2	(15)
Total other comprehensive income (loss), net of tax	8	(86)	125
Balance	(100)	(108)	(22)
Unrealized Gain (Loss) on Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	2	(13)	(2)
Other comprehensive income (loss) before reclassifications	(16)	16	(12)
Gain (loss) from net investment hedges	0	0	0
Amounts reclassified from AOCI	0	0	0
Tax effect	(1)	(1)	1
Total other comprehensive income (loss), net of tax	(17)	15	(11)
Balance	$ (15)	$ 2	$ (13)