Derivative Instruments (Hedges of Net Investments in Foreign Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	$ 0	$ 89
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives	130	(18)	$ 73
Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives	130	(18)	$ 73
Other Contract
Derivatives, Fair Value [Line Items]
Hedged Liability, Fair Value Hedge	(508)	0
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	7	0
Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease)	0	0
Interest Rate Contract
Derivatives, Fair Value [Line Items]
Hedged Liability, Fair Value Hedge	(1,111)	(25)
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	11	(1)
Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease)	$ 0	$ 1