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Special Charges (Credits) (Tables) | 3 Months Ended
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Mar. 31, 2023
Other Income and Expenses [Abstract] |
Schedule of Components of Special Charges | For the three months ended March 31, operating and nonoperating special charges (credits) and unrealized (gains) losses on investments in the statements of consolidated operations consisted of the following (in millions):
| Three Months Ended March 31, |  |
| 2023 |  | 2022 |  |  |  |
(Gains) losses on sale of assets and other special charges | $ | 14 |  |  | $ | (8) |  |  |  |  |
Total operating special charges (credits) | 14 |  |  | (8) |  |  |  |  |
Nonoperating unrealized gains on investments, net | (24) |  |  | — |  |  |  |  |
Nonoperating debt extinguishment and modification fees | — |  |  | 7 |  |  |  |  |
Total nonoperating special charges and unrealized gains on investments, net | (24) |  |  | 7 |  |  |  |  |
Total operating and nonoperating special charges (credits) and unrealized gains on investments, net | (10) |  |  | (1) |  |  |  |  |
Income tax benefit, net of valuation allowance | (3) |  |  | — |  |  |  |  |
Total operating and nonoperating special charges (credits) and unrealized gains on investments, net of income taxes | $ | (13) |  |  | $ | (1) |  |  |  |  |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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