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Commitments Contingencies and Guarantees (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2022 | Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |  |
Maximum Capital Lease Obligations As Offset Against Industrial Bonds | $ 150 |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances | 1,300 | $ 1,400
Other Notes Payable | $ 900 | $ 500

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