Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	$ (1,789)	$ (2,172)
Other comprehensive income (loss) before reclassifications	(269)	143
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	336	459
Amounts reclassified from AOCI	(158)	(225)
Other comprehensive income (loss), tax, portion attributable to parent	(85)	(170)
Other Comprehensive Income (Loss), Net of Tax	(176)	207
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(1,965)	(1,965)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2,125)	(2,248)
Other comprehensive income (loss) before reclassifications	(339)	(308)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	336	459
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	(84)	(115)
Other Comprehensive Income (Loss), Net of Tax	(87)	36
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,212)	(2,212)
Deferred Gain (Loss) On Hedging Activities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	460	225
Other comprehensive income (loss) before reclassifications	70	450
Amounts reclassified from AOCI	(150)	(248)
Other comprehensive income (loss), tax, portion attributable to parent	2	(45)
Other Comprehensive Income (Loss), Net of Tax	(78)	157
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	382	382
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(117)	(147)
Other comprehensive income (loss) before reclassifications	8	14
Amounts reclassified from AOCI	(8)	23
Other comprehensive income (loss), tax, portion attributable to parent	(4)	(11)
Other Comprehensive Income (Loss), Net of Tax	(4)	26
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(121)	(121)
Unrealized Gain (Loss) On Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(7)	(2)
Other comprehensive income (loss) before reclassifications	(8)	(13)
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	1	1
Other Comprehensive Income (Loss), Net of Tax	(7)	(12)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (14)	$ (14)