Commitments and Contingent Liabilities - Schedule of Consolidated Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)	$ 24	$ 27	$ 52	$ 55
Related accretion expense on lease liability balances	6	5	11	9
Total fixed operating lease expense	30	32	63	64
Amortization of ROU assets	2	1	3	1
Interest on finance lease liabilities	1	1	1	1
Total fixed finance lease expense	3	2	4	2
Variable lease expense	4	4	9	9
Total long-term lease expense	37	38	76	75
Short-term lease expense	35	38	77	73
Total lease expense	$ 72	$ 76	$ 153	$ 148