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Commitments Contingencies and Guarantees (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |  |
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Dec. 31, 2023 | Jan. 01, 2024 | Dec. 31, 2022
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 | 1,100 |  | $ 1,300
Other Notes Payable | $ 1,300 | $ 700 | $ 900

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