Financial Instruments - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated derivative gain (loss)	$ 37	$ (11)
Leased Precious Metal Pools
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative fair value gain (loss)	15	(108)
Property and Equipment, Net | Leased Precious Metal Pools
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments in hedges, assets, at fair value	$ 38	$ 58