Commitments and Contingent Liabilities, Consolidated Lease Expense (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)		$ 28	$ 20
Related accretion expense on lease liability balances		4	4
Total fixed operating lease expense		32	24
Amortization of ROU assets	[1]	0	0
Interest on finance lease liabilities	[1]	0	0
Total fixed finance lease expense	[1]	0	0
Variable lease expense		5	4
Total long-term lease expense		37	28
Short-term leases		35	29
Total lease expense		72	57
Cash payments for operating lease liabilities		34	23
Operating lease income		$ 4	$ 4

[1] For the three months ended March 31, 2025, total fixed finance lease expense, which include amortization of finance lease ROU assets and interest on finance lease liabilities, was less than $1 million.