Commitments and Contingent Liabilities - Schedule of Consolidated Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)	$ 27	$ 23	$ 55	$ 43
Related accretion expense on lease liability balances	5	4	9	8
Total fixed operating lease expense	32	27	64	51
Amortization of ROU assets	1	0	1	0
Interest on finance lease liabilities	1	0	1	0
Total fixed finance lease expense	2	0	2	0
Variable lease expense	4	4	9	8
Total long-term lease expense	38	31	75	59
Short-term leases	38	30	73	59
Total lease expense	$ 76	$ 61	$ 148	$ 118