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v3.23.1

Special Charges (Credits) - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |
(Gains) losses on sale of assets and other special charges | $ 14 | $ (8)
Nonoperating unrealized gains (losses) | $ 24 | 0
Debt extinguishment costs |  | 7
Unsecured Debt |  |
Restructuring Cost and Reserve [Line Items] |  |
Long-term debt |  | $ 400
Stated interest rate |  | 4.25%

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