Commitments and Contingent Liabilities, Consolidated Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)	$ 14	$ 10	$ 27	$ 19
Related accretion expense on lease liability balances	3	3	6	6
Total fixed lease expense	17	13	33	25
Variable lease expense	1	0	1	1
Subtotal operating lease expense	18	13	34	26
Short-term operating leases	23	13	40	26
Total operating lease expense	41	26	74	52
Cash payments for operating lease liabilities	16	9	28	18
Operating lease income	$ 3	$ 3	$ 6	$ 6