Stockholders' Equity Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ 25,623	$ 25,063	$ 24,555
Net other comprehensive income (loss)		92	(8)	380
Ending Balance		25,541	25,623	25,063
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(2,543)	(1,970)	(1,944)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	[1]	(340)	(573)	(26)
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		0	0	0
Net other comprehensive income (loss)		(340)	(573)	(26)
Ending Balance		(2,883)	(2,543)	(1,970)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		72	(67)	2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		63	143	(81)
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		(55)	(4)	12
Net other comprehensive income (loss)		8	139	(69)
Ending Balance		80	72	(67)
Unrealized gain (loss) on investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		0	(10)	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		0	3	(10)
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		0	7	0
Net other comprehensive income (loss)		0	10	(10)
Ending Balance		0	0	(10)
Accumulated Other Comp Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(2,898)	(2,890)	(3,270)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		126	594	362
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		(34)	(602)	18
Net other comprehensive income (loss)		92	(8)	380
Ending Balance		(2,806)	(2,898)	(2,890)
Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(396)	(1,433)	(1,247)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		213	996	(191)
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		20	41	5
Net other comprehensive income (loss)		233	1,037	(186)
Ending Balance		(163)	(396)	(1,433)
Other Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(31)	590	(81)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		190	25	670
Amounts Reclassified from Accumulated Other Comprehensive Income, Net of Tax		1	(646)	1
Net other comprehensive income (loss)		191	(621)	671
Ending Balance		$ 160	$ (31)	$ 590

[1] The cumulative translation adjustment losses for the year ended December 31, 2022 was primarily driven by the strengthening of the U.S. Dollar (“USD”) against the European Euro ("EUR"), Indian Rupee (“INR”), South African Rand (“ZAR”) and Philippine Peso (“PHP”). The cumulative translation adjustment losses for the year ended December 31, 2021 was primarily driven by the strengthening of the U.S. Dollar ("USD") against the European Euro ("EUR"), Swiss franc ("CHF") and Turkish Lira (“TRY”).