Stockholders' Equity Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended								9 Months Ended
		Sep. 30, 2022		Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					$ (2,898)					$ (2,898)
Beginning Balance		$ 26,071		$ 25,936	25,623	$ 25,625		$ 24,778	$ 25,063	25,623	$ 25,063
Amounts Reclassified from Accumulated Other Comprehensive Loss		48				(141)				(28)	(444)
Other comprehensive (loss) income		(369)		(402)	77	(400)		122	(477)	(694)	(755)
Ending Balance		25,084		26,071	25,936	24,979		25,625	24,778	25,084	24,979
Ending Balance		(3,592)				(3,645)				(3,592)	(3,645)
Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					(396)				(1,433)	(396)	(1,433)
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax										107	(6)
Amounts Reclassified from Accumulated Other Comprehensive Loss										21	32
Other comprehensive (loss) income										128	26
Ending Balance		(268)				(1,407)				(268)	(1,407)
Other Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					(31)				590	(31)	590
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax										3	1
Amounts Reclassified from Accumulated Other Comprehensive Loss										1	(475)
Other comprehensive (loss) income										4	(474)
Ending Balance		(27)				116				(27)	116
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					(2,543)				(1,970)	(2,543)	(1,970)
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax	[1]									(868)	(424)
Amounts Reclassified from Accumulated Other Comprehensive Loss										0	0
Other comprehensive (loss) income										(868)	(424)
Ending Balance		(3,411)				(2,394)				(3,411)	(2,394)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					72				(67)	72	(67)
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax										92	115
Amounts Reclassified from Accumulated Other Comprehensive Loss		28				5				(50)	(8)
Other comprehensive (loss) income										42	107
Ending Balance		114				40				114	40
Unrealized Gain (loss) on Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					0				(10)	0	(10)
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax										0	3
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	[2]			0	[2]			0	7
Other comprehensive (loss) income										0	10
Ending Balance		0				0				0	0
Total
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance					(2,898)				(2,890)	(2,898)	(2,890)
Beginning Balance		(3,223)		(2,821)	(2,898)	(3,245)		(3,367)	(2,890)	(2,898)	(2,890)
Other Comprehensive (Loss) Income, before Reclassifications, Net of Tax										(666)	(311)
Amounts Reclassified from Accumulated Other Comprehensive Loss										(28)	(444)
Other comprehensive (loss) income		(369)		(402)	77	(400)		122	(477)	(694)	(755)
Ending Balance		(3,592)		$ (3,223)	$ (2,821)	(3,645)		$ (3,245)	$ (3,367)	(3,592)	(3,645)
Ending Balance		$ (3,592)				$ (3,645)				$ (3,592)	$ (3,645)

[1] The cumulative translation adjustment gain for the nine months ended September 30, 2022 was primarily driven by strengthening of the USD against the European Euro ("EUR"), Swiss Franc ("CHF"), Indian Rupee ("INR") and South African Rand ("ZAR"). The cumulative translation adjustment loss for the nine months ended September 30, 2021 was primarily driven by strengthening of the USD against the European Euro ("EUR"), Swiss Franc ("CHF") and Brazilian Real ("BRL").

[2] Reflected in other income - net in the interim Consolidated Statements of Operations.