Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 30,794	$ 31,978	$ 31,527	$ 31,672
Total other comprehensive income (loss)	157	(389)	304	(301)
Balance at end of period	30,716	31,809	30,716	31,809
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(1,054)	(640)	(1,189)	(745)
Other comprehensive income (loss) before reclassifications	151	(369)	283	(267)
Amounts reclassified from accumulated other comprehensive loss	3	4	6	7
Total other comprehensive income (loss)	154	(365)	289	(260)
Balance at end of period	(900)	(1,005)	(900)	(1,005)
Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(95)	(105)	(103)	(107)
Other comprehensive income (loss) before reclassifications	1	(6)	6	(7)
Amounts reclassified from accumulated other comprehensive loss	3	4	6	7
Total other comprehensive income (loss)	4	(2)	12	0
Balance at end of period	(91)	(107)	(91)	(107)
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(939)	(572)	(1,064)	(676)
Other comprehensive income (loss) before reclassifications	150	(361)	275	(257)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss)	150	(361)	275	(257)
Balance at end of period	(789)	(933)	(789)	(933)
Pension Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(20)	37	(22)	38
Other comprehensive income (loss) before reclassifications	0	(2)	2	(3)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss)	0	(2)	2	(3)
Balance at end of period	$ (20)	$ 35	$ (20)	$ 35