Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	$ (2,463)	$ (2,509)
Other comprehensive income (loss) before reclassifications	12	47
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	(52)	(130)
Amounts reclassified from AOCI	37	110
Other comprehensive income (loss), tax, portion attributable to parent	33	49
Other Comprehensive Income (Loss), Net of Tax	30	76
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,433)	(2,433)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2,452)	(2,622)
Other comprehensive income (loss) before reclassifications	88	322
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	(52)	(130)
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	14	28
Other Comprehensive Income (Loss), Net of Tax	50	220
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,402)	(2,402)
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	60	148
Other comprehensive income (loss) before reclassifications	(78)	(286)
Amounts reclassified from AOCI	41	145
Other comprehensive income (loss), tax, portion attributable to parent	16	32
Other Comprehensive Income (Loss), Net of Tax	(21)	(109)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	39	39
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(61)	(22)
Other comprehensive income (loss) before reclassifications	(2)	3
Amounts reclassified from AOCI	(4)	(35)
Other comprehensive income (loss), tax, portion attributable to parent	4	(9)
Other Comprehensive Income (Loss), Net of Tax	(2)	(41)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(63)	(63)
Unrealized Gain (Loss) On Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(10)	(13)
Other comprehensive income (loss) before reclassifications	4	8
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	(1)	(2)
Other Comprehensive Income (Loss), Net of Tax	3	6
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (7)	$ (7)