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Income Taxes - Effective Income Tax Expense (Benefit) Table (Details) - USD ($) $ in Millions |  | 1 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 09, 2021 | Feb. 09, 2021 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |  |  |
Income tax expense (benefit) at the federal statutory rate of 21% |  | $ 1,119 | $ 188 | $ 767 | $ (2,051)
State income taxes (net of federal income tax benefit) |  | 238 | (86) | 75 | (41)
Change in valuation allowance due to Acquisitions |  | 0 | (49) | 19 | 0
Change in valuation allowance excluding impact of Acquisitions |  | (1,191) | (179) | (2,147) | 2,010
Reorganization items |  | (173) | 60 | 0 | 41
Transaction costs |  | 0 | 11 | 2 | 0
Removal of stranded tax effects in accumulated other comprehensive income |  | (57) | 0 | 0 | 0
Other |  | 7 | 6 | (1) | 22
Total | $ (57) | $ (57) | $ (49) | $ (1,285) | $ (19)

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(9)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794 + Details
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