Debt Instrument Maturity Year

No definition available.

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- Definition

Debtor-in-Possession Financing, Line Of Credit Facility Maximum Borrowing Capacity

+ References

No definition available.

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- Definition

Debtor-in-Possession Financing, Line of Credit Facility, Remaining Borrowing Capacity

+ References

No definition available.

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- Definition

Defined Benefit Plan, Lease term of contributed property

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No definition available.

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- Definition

Finance Lease Liability Obligation

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No definition available.

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- Definition

Gain (loss) on contribution of property to defined benefit

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No definition available.

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- Definition

The maximum permitted leverage ratio under the Credit Agreement.

+ References

No definition available.

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- Definition

Pension Building Contribution Aggregate Annual Rent

+ References

No definition available.

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- Definition

Value of property contributed in noncash investing and financing activities.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Amount of letters of credit outstanding under debtor-in-possession financing arrangement.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Long-Term Debt (Narrative) (Details) - USD ($)						4 Months Ended	8 Months Ended	12 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Oct. 13, 2021	Apr. 30, 2021	Apr. 14, 2021	Nov. 25, 2020	Oct. 08, 2020	Apr. 30, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Oct. 12, 2021
Debt Instrument [Line Items]
Maximum lien leverage ratio covenant	3.00%											2.75%
Lease term of contributed property											20 years
Combined average aggregate annual rent											$ 5,000,000
Gain (loss) on contribution of property to defined benefit								$ 0
Finance lease liability obligation							$ 54,000,000	$ 54,000,000
DIP Term Loan Facility [Member]
Debt Instrument [Line Items]
DIP, Maximum line of credit				$ 750,000,000	$ 500,000,000
First Lien Notes Due 4/1/2027 [Member]
Debt Instrument [Line Items]
Interest rate							8.00%	8.00%
Maturity date								Apr. 01, 2027
Second Lien Notes Due 4/1/2026 [Member]
Debt Instrument [Line Items]
Interest rate							8.50%	8.50%
Maturity date								Apr. 01, 2026
New Incremental Commitment [Member]
Debt Instrument [Line Items]
DIP, Maximum line of credit			$ 225,000,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
DIP, Maximum line of credit								$ 1,468,000,000
Maturity date								Oct. 08, 2027
Term Loan Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate margin								3.75%
Term Loan Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate margin								2.75%
Term Loan Facility [Member] \| LIBOR Floor Rate [Member]
Debt Instrument [Line Items]
Interest rate margin								0.75%
Revolving Facility [Member]
Debt Instrument [Line Items]
Letters of credit outstanding							$ 96,000,000	$ 96,000,000
Available borrowing capacity							529,000,000	529,000,000
DIP, Maximum line of credit								625,000,000
Line of credit facility maximum borrowing capacity							625,000,000	$ 625,000,000
Revolving Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate margin								3.50%
Revolving Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate margin								2.50%
Revolving Facility [Member] \| LIBOR Floor Rate [Member]
Debt Instrument [Line Items]
Interest rate margin								0.00%
Senior Secured Notes [Member] \| Second Lien Notes Due 2030 [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,000,000,000.0
Interest rate	6.00%
Maturity year	2030
Senior Secured Notes [Member] \| DIP-to-Exit First Lien Notes Due 10/15/2027 [Member]
Debt Instrument [Line Items]
Aggregate principal amount					$ 1,150,000,000
Interest rate					5.875%
Maturity date					Oct. 15, 2027
Senior Secured Notes [Member] \| DIP-to-Exit First Lien Notes Due 5/1/2028 [Member]
Debt Instrument [Line Items]
Aggregate principal amount				$ 1,550,000,000
Interest rate				5.00%
Maturity date				May 01, 2028
Senior Secured Notes [Member] \| Second Lien Notes Due 05/01/2029 [Member]
Debt Instrument [Line Items]
Aggregate principal amount				$ 1.0
Interest rate				6.75%
Maturity date				May 01, 2029
Senior Secured Notes [Member] \| Takeback Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount		$ 750,000,000				$ 750,000,000
Interest rate		5.875%				5.875%
Maturity date		Nov. 01, 2029
Successor [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt
Interest expense									$ 1,456,000,000
Successor [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Common stock shares issued		244,401,000				244,401,000
Predecessor [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt									$ (72,000,000)	$ (20,000,000)
Financing obligation for contributions of real property to pension plan										$ 37,000,000	$ 37,000,000
Interest expense						$ 450,000,000