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Debt - Debt With Interest Rates And Maturities (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Securitization borrowings and finance leases | $ 17 | $ 116
Discounts, premiums, and debt issuance costs | (933) | (930)
Total debt | 17,179 | 15,182
Less current maturities and short-term debt | (4) | (703)
Long-term debt | $ 17,175 | 14,479
4.20% maturing to 2028 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 4.20% |
Notes and debentures | $ 2,370 | 3,370
4.03% maturing 2029 to 2033 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 4.03% |
Notes and debentures | $ 3,094 | 1,995
4.32% maturing 2034 to 2064 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 4.32% |
Notes and debentures | $ 11,247 | 9,247
5.22% maturing 2097 to 2121 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 5.22% |
Notes and debentures | $ 1,384 | $ 1,384

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