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Commitments and Contingent Liabilities, Consolidated Lease Expense (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Consolidated Lease Expense [Abstract]        
Non-cash lease expense (amortization of ROU assets) $ 18 $ 16 $ 51 $ 43
Related accretion expense on lease liability balances 4 3 11 9
Total fixed lease expense 22 19 62 52
Variable lease expense 3 3 9 4
Subtotal operating lease expense 25 22 71 56
Short-term operating leases 30 25 82 65
Total operating lease expense 55 47 153 121
Cash payments for operating lease liabilities 21 19 62 47
Operating lease income $ 4 $ 4 $ 12 $ 10