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Special Charges (Tables) | 3 Months Ended
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Mar. 31, 2020
Other Income and Expenses [Abstract] |
Components of Special Charges | For the three months ended March 31, special charges, certain credit losses and unrealized gains and losses on investments in the statements of consolidated operations consisted of the following (in millions):
| Three Months Ended March 31,
| 2020 |  | 2019
Impairment of assets | $ | 50 |  |  | $ | 8 |
Severance and benefit costs | — |  |  | 6 |
(Gains) losses on sale of assets and other special charges | 13 |  |  | 4 |
Total operating special charges | 63 |  |  | 18 |
Nonoperating credit loss on BRW Term Loan and related guarantee | 697 |  |  | — |
Nonoperating unrealized (gains) losses on investments | 319 |  |  | (17 | )
Total special charges, credit losses and unrealized (gains) losses on investments, net | 1,079 |  |  | 1 |
Income tax benefit, net of valuation allowance | (14 | ) |  | — |
Total special charges, credit losses and unrealized (gains) losses on investments, net of income taxes | $ | 1,065 |  |  | $ | 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 http://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 http://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 http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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