Accumulated Other Comprehensive Income (AOCI) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	$ (2,172)
Other comprehensive income (loss) before reclassifications	412
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	123
Amounts reclassified from AOCI	(67)
Other comprehensive income (loss), tax, portion attributable to parent	(85)
Other Comprehensive Income (Loss), Net of Tax	383
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(1,789)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2,248)
Other comprehensive income (loss) before reclassifications	31
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	123
Amounts reclassified from AOCI	0
Other comprehensive income (loss), tax, portion attributable to parent	(31)
Other Comprehensive Income (Loss), Net of Tax	123
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,125)
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	225
Other comprehensive income (loss) before reclassifications	380
Amounts reclassified from AOCI	(98)
Other comprehensive income (loss), tax, portion attributable to parent	(47)
Other Comprehensive Income (Loss), Net of Tax	235
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	460
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(147)
Other comprehensive income (loss) before reclassifications	6
Amounts reclassified from AOCI	31
Other comprehensive income (loss), tax, portion attributable to parent	(7)
Other Comprehensive Income (Loss), Net of Tax	30
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(117)
Unrealized Gain (Loss) On Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2)
Other comprehensive income (loss) before reclassifications	(5)
Amounts reclassified from AOCI	0
Other comprehensive income (loss), tax, portion attributable to parent	0
Other Comprehensive Income (Loss), Net of Tax	(5)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (7)