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Special Charges - Schedule of Components of Special Charges (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Operating: |  |
(Gains) losses on sale of assets and other special charges | $ 13 | $ 14
Total operating special charges | 13 | 14
Nonoperating: |  |
Nonoperating unrealized (gains) losses on investments, net | 37 | (24)
Nonoperating debt extinguishment and modification fees | 35 | 0
Total nonoperating special charges and unrealized (gains) losses on investments, net | 72 | (24)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net | 85 | (10)
Income tax benefit, net of valuation allowance | (11) | (3)
Total operating and nonoperating special charges and unrealized (gains) losses on investments, net of income taxes | $ 74 | $ (13)

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- Definition Debt Extinguishment and Modification Fees, Non-Operating + References No definition available. + Details
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- Definition Gain (Loss) On Financial Instruments, 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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