Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	$ (2,433)	$ (2,509)
Other comprehensive income (loss) before reclassifications	(389)	(342)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	149	19
Amounts reclassified from AOCI	129	239
Other comprehensive income (loss), tax, portion attributable to parent	(67)	(18)
Other Comprehensive Income (Loss), Net of Tax	(178)	(102)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,611)	(2,611)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2,402)	(2,622)
Other comprehensive income (loss) before reclassifications	(393)	(71)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	149	19
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	(36)	(8)
Other Comprehensive Income (Loss), Net of Tax	(280)	(60)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,682)	(2,682)
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	39	148
Other comprehensive income (loss) before reclassifications	(4)	(290)
Amounts reclassified from AOCI	132	277
Other comprehensive income (loss), tax, portion attributable to parent	(28)	4
Other Comprehensive Income (Loss), Net of Tax	100	(9)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	139	139
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(63)	(22)
Other comprehensive income (loss) before reclassifications	3	6
Amounts reclassified from AOCI	(3)	(38)
Other comprehensive income (loss), tax, portion attributable to parent	(3)	(12)
Other Comprehensive Income (Loss), Net of Tax	(3)	(44)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(66)	(66)
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)	(13)
Other comprehensive income (loss) before reclassifications	5	13
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	0	(2)
Other Comprehensive Income (Loss), Net of Tax	5	11
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (2)	$ (2)