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Fair Value Measurements - Fair Value, Assets Measured on Nonrecurring Basis Using Unobservable Inputs (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Nonrecurring fair value losses | $ (46) | $ (112) | $ (98)
Fair Value Measurements Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | 14 | 62 |
Nonrecurring fair value losses | (46) | (112) |
Investments | Fair Value Measurements Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Nonrecurring fair value losses | (18) | (31) |
Operating lease equipment | Fair Value Measurements Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure |  | 47 |
Nonrecurring fair value losses |  | (7) |
Property, plant and equipment | Fair Value Measurements Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure | 14 |  |
Nonrecurring fair value losses | (26) | (19) |
Other Assets | Fair Value Measurements Nonrecurring |  |  |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items] |  |  |
Assets, fair value disclosure |  | 15 |
Nonrecurring fair value losses | $ (2) | $ (55) |

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