Income Taxes (Narrative) (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Income Tax Contingency [Line Items]
Valuation allowance	$ 41	$ 41
Valuation allowance, net of federal benefit	32	32
First Lien Notes Due 5/12/2030 [Member]
Income Tax Contingency [Line Items]
New Borrowings	$ 1,200	$ 1,200

Deferred Tax Assets, Valuation Allowance, Net Of Federal Benefit

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

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