Commitments and Contingent Liabilities, Consolidated Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Consolidated Lease Expense [Abstract]
Non-cash lease expense (amortization of ROU assets)	$ 17	$ 14	$ 33	$ 27
Related accretion expense on lease liability balances	3	3	7	6
Total fixed lease expense	20	17	40	33
Variable lease expense	3	1	6	1
Subtotal operating lease expense	23	18	46	34
Short-term operating leases	27	23	52	40
Total operating lease expense	50	41	98	74
Cash payments for operating lease liabilities	21	16	41	28
Operating lease income	$ 4	$ 3	$ 8	$ 6