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Debt - Debt With Interest Rates And Maturities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Securitization borrowings and finance leases | $ 116 | $ 22
Discounts, premiums, and debt issuance costs | (930) | (976)
Total debt | 15,182 | 13,840
Less current maturities and short-term debt | (703) | (553)
Long-term debt | $ 14,479 | 13,287
3.95% maturing to 2027 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 3.95% |
Notes and debentures | $ 2,770 | 3,318
3.66% maturing 2028 to 2032 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 3.66% |
Notes and debentures | $ 2,595 | 1,995
4.05% maturing 2037 to 2055 |  |
Debt Instrument [Line Items] |  |
Long-term debt, weighted average interest rate | 4.05% |
Notes and debentures | $ 9,247 | 8,097
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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