Shareholders' Equity AOCI (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	$ (2,570)	$ (2,487)
Other comprehensive income (loss) before reclassifications	(355)	(491)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	25	109
Amounts reclassified from AOCI	19	(2)
Other comprehensive income (loss), tax, portion attributable to parent	1	(9)
Other Comprehensive Income (Loss), Net of Tax	(310)	(393)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,880)	(2,880)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(2,552)	(2,539)
Other comprehensive income (loss) before reclassifications	(285)	(362)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	25	109
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	(6)	(26)
Other Comprehensive Income (Loss), Net of Tax	(266)	(279)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,818)	(2,818)
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	99	158
Other comprehensive income (loss) before reclassifications	(71)	(121)
Amounts reclassified from AOCI	23	4
Other comprehensive income (loss), tax, portion attributable to parent	6	16
Other Comprehensive Income (Loss), Net of Tax	(42)	(101)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	57	57
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(111)	(108)
Other comprehensive income (loss) before reclassifications	1	(1)
Amounts reclassified from AOCI	(4)	(6)
Other comprehensive income (loss), tax, portion attributable to parent	1	2
Other Comprehensive Income (Loss), Net of Tax	(2)	(5)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(113)	(113)
Unrealized Gain (Loss) On Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance of Accumulated Other Comprehensive Income (Loss) at Beginning of Period	(6)	2
Other comprehensive income (loss) before reclassifications	0	(7)
Amounts reclassified from AOCI	0	0
Other comprehensive income (loss), tax, portion attributable to parent	0	(1)
Other Comprehensive Income (Loss), Net of Tax	0	(8)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (6)	$ (6)