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v3.23.2

Special Charges - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Labor contract ratification bonuses | $ 813 | $ 0 | $ 813 | $ 0
(Gains) losses on sale of assets and other special charges | (46) | (112) | (60) | (104)
Nonoperating unrealized gains (losses) | 84 | (40) | 108 | (40)
Deferred debt issuance cost, writeoff | 11 |  | 11 | 7
Loss contingency, loss in period |  |  |  | 94
Unsecured Debt |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Repayments of debt | $ 1,000 |  | $ 1,000 |
Long-term debt |  | $ 400 |  | $ 400
Stated interest rate |  | 4.25% |  | 4.25%

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