Derivatives - Cash Flow Hedges - Gain (Loss) in OCI or Reclassified from AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Cash Flow Hedge | Foreign currency forward/option contracts
Derivatives in Cash Flow Hedging Relationships
Foreign currency forward/option contracts	$ 23	$ (70)	$ (82)	$ 14