Commitments and Contingent Liabilities, Consolidated Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)	$ 13	$ 9
Related accretion expense on lease liability balances	3	3
Total fixed lease expense	16	12
Variable lease expense	0	1
Subtotal operating lease expense	16	13
Short-term operating leases	17	13
Total operating lease expense	33	26
Cash payments for operating lease liabilities	12	9
Operating lease income	$ 3	$ 3