Derivatives (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Collateral Amount Not Provided Due to Downgrade Threshold	$ 15		$ 15
Derivative Instrument Detail [Abstract]
Net amounts reclassified into net derivatives gains (losses) on discontinued cash flow hedges	2	$ 4	$ 14	$ (6)
Hedging exposure to variability in future cash flows for specific length of time			4 years		4 years
Accumulated Other Comprehensive Income Loss	(1,900)		$ (1,900)		$ 357
Cumulative foreign currency translation gain (loss) recorded in accumulated other comprehensive income (loss) for net investment in foreign operations hedges	941		941		1,100
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			(166)
Debt Designated as Non-derivative Hedging Instrument	$ 290		$ 290		$ 267