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Special Charges - Schedule of Components of Special Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Operating: |  |  |  |
(Gains) losses on sale of assets and other special charges | $ (5) | $ 28 | $ 44 | $ 88
Labor contract ratification bonuses | 0 | 1 | 0 | 814
Total operating special charges | (5) | 29 | 44 | 902
Nonoperating: |  |  |  |
Nonoperating unrealized (gains) losses on investments, net | 90 | 54 | 160 | (54)
Nonoperating debt extinguishment and modification fees | 75 | 0 | 110 | 11
Total nonoperating special charges and unrealized (gains) losses on investments, net | 165 | 54 | 270 | (43)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net | 160 | 83 | 314 | 859
Income tax benefit, net of valuation allowance | (15) | (7) | (34) | (204)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net of income taxes | $ 145 | $ 76 | $ 280 | $ 655

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- Definition Debt Extinguishment and Modification Fees, Non-Operating + References No definition available. + Details
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- Definition Amount of gain (loss) on sale of other assets and other miscellaneous charges. + References No definition available. + Details
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- Definition Total special items in the period. + References No definition available. + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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