[Line Items] for Income Taxes Summary [Table]

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Income Taxes - Federal NOLs and Excess Business Interest (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Income Taxes Summary [Line Items]
Total federal net operating losses	$ 870	$ 784
Attributes subject to Section 382 base annual limitation, 54 million \| Excess business interest expense (indefinitely lived)
Income Taxes Summary [Line Items]
Operating loss carryforwards	1,435
Attributes subject to Section 382 base annual limitation, 54 million \| Federal
Income Taxes Summary [Line Items]
Indefinitely lived	2,265
Total federal net operating losses	3,079
Attributes subject to Section 382 base annual limitation, 54 million \| 2037 \| Federal
Income Taxes Summary [Line Items]
Net operating losses, by year of expiration:	814
Attributes subject to Section 382 base annual limitation, 2 million \| Excess business interest expense (indefinitely lived)
Income Taxes Summary [Line Items]
Operating loss carryforwards	90
Attributes subject to Section 382 base annual limitation, 2 million \| Federal
Income Taxes Summary [Line Items]
Indefinitely lived	102
Total federal net operating losses	126
Attributes subject to Section 382 base annual limitation, 2 million \| 2037 \| Federal
Income Taxes Summary [Line Items]
Net operating losses, by year of expiration:	24
Attributes not subject to Section 382 limitation \| Excess business interest expense (indefinitely lived)
Income Taxes Summary [Line Items]
Operating loss carryforwards	1,368
Attributes not subject to Section 382 limitation \| Federal
Income Taxes Summary [Line Items]
Indefinitely lived	0
Total federal net operating losses	0
Attributes not subject to Section 382 limitation \| 2037 \| Federal
Income Taxes Summary [Line Items]
Net operating losses, by year of expiration:	$ 0