Debt instrument, accrued and unpaid interest.

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- Definition

Debt Instrument, Covenant, Availability plus Suppressed Availability

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No definition available.

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Debt Instrument, Covenant, Percent of Loan Cap

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Debt Instrument, Coverage Ratio

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No definition available.

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- Definition

Debt Instrument, Liquidation Percentage

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No definition available.

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Debt Instrument, Liquidation Percentage, Upon Satisfaction of Certain Conditions

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No definition available.

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- Definition

Debt subject to consent offer

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No definition available.

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Line of Credit Facility, Additional Borrowing Capacity Available

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No definition available.

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

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No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of assets pledged to secure a debt instrument.

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Date the debt agreement requires the first payment to be made, in YYYY-MM-DD format.

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

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

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Date the debt instrument was issued, in YYYY-MM-DD format.

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

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Percentage of principal amount of debt redeemed.

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No definition available.

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Fair value amount of debt instrument that was repurchased.

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No definition available.

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Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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Gross amount of debt extinguished.

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No definition available.

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

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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Fair value of the amount outstanding under the credit facility.

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Maximum amount borrowed under the credit facility at any time during the period.

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No definition available.

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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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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Financing (Narrative) (Details) - USD ($)								3 Months Ended			12 Months Ended
Financing (Narrative) (Details) - USD ($)	Mar. 10, 2022	Mar. 08, 2022	Mar. 03, 2022	Oct. 15, 2021	Aug. 17, 2021	Mar. 17, 2021	Jun. 08, 2020	May 01, 2021	Aug. 01, 2020	Feb. 01, 2020	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Losses on early retirement of debt					$ 185,000,000			$ 11,000,000		$ 30,000,000	$ 199,000,000	$ 0	$ 30,000,000
Extinguishment of debt						$ 500,000,000				525,000,000
Debt Instrument, Repurchase Amount						$ 17,000,000				$ 553,000,000			553,000,000
Repayments of Debt											2,696,000,000	2,039,000,000	$ 567,000,000
Line of Credit Facility, Maximum Borrowing Capacity											1,750,000,000
Line of Credit Facility, Current Borrowing Capacity											$ 1,500,000,000	1,500,000,000
Credit Agreement maturity date											May 09, 2024		May 06, 2021
Subsequent Event [Member]
Face amount	$ 850,000,000
Other Standby and Commercial Letters of Credit [Member]
Debt instrument, principal outstanding											$ 116,000,000	142,000,000
Minimum [Member]
Line of Credit Facility, Current Borrowing Capacity											1,000,000	1,000,000
New 2024 Notes
Debt instrument interest rate, stated percentage									6.65%
Debt instrument, principal outstanding									$ 81,000,000
Old 2024 Notes
Debt instrument interest rate, stated percentage									6.65%
Debt instrument, principal outstanding									$ 41,000,000
Debt subject to consent offer									$ 85,000,000
New 2028 Notes
Debt instrument interest rate, stated percentage									6.70%
Debt instrument, principal outstanding									$ 74,000,000
Old 2028 Notes
Debt instrument interest rate, stated percentage									6.70%
Debt instrument, principal outstanding									$ 29,000,000
Debt subject to consent offer									$ 77,000,000
New 2029 Notes
Debt instrument interest rate, stated percentage									8.75%
Debt instrument, principal outstanding									$ 13,000,000
Old 2029 Notes
Debt instrument interest rate, stated percentage									8.75%
Debt subject to consent offer									$ 13,000,000
New 2030 Notes
Debt instrument interest rate, stated percentage									7.875%
Debt instrument, principal outstanding									$ 5,000,000
Old 2030 Notes
Debt instrument interest rate, stated percentage									7.875%
Debt instrument, principal outstanding									$ 5,000,000
Debt subject to consent offer									$ 5,000,000
New 2032 Notes
Debt instrument interest rate, stated percentage									6.90%
Debt instrument, principal outstanding									$ 5,000,000
Old 2032 Notes
Debt instrument interest rate, stated percentage									6.90%
Debt instrument, principal outstanding									$ 12,000,000
Debt subject to consent offer									$ 6,000,000
New 2034 Notes
Debt instrument interest rate, stated percentage									6.70%
Debt instrument, principal outstanding									$ 183,000,000
Old 2034 Notes
Debt instrument interest rate, stated percentage									6.70%
Debt instrument, principal outstanding									$ 18,000,000
Debt subject to consent offer									$ 185,000,000
Revolving Credit Facility [Member]
Long-term Line of Credit											0	0
Revolving Credit Facility [Member] \| April 30, 2021 or After
Percent of loan cap							10.00%
Availability plus suppressed availability							$ 250,000,000
Revolving Credit Facility [Member] \| Prior to April 30, 2021
Percent of loan cap							10.00%
Availability plus suppressed availability							$ 250,000,000
ABL Borrower \| Minimum [Member]
Coverage ratio							1.00
ABL Borrower \| Maximum [Member]
Coverage ratio							1.00
ABL Borrower \| Revolving Credit Facility [Member]
Additional borrowing capacity available											$ 750,000,000
Liquidation percentage							80.00%
Liquidation percentage, upon satisfaction of certain conditions											90.00%
ABL Borrower \| Revolving Credit Facility [Member] \| Minimum [Member] \| Prior to Step Down Date \| London Interbank Offered Rate (LIBOR)
Basis spread on variable rate							2.75%
ABL Borrower \| Revolving Credit Facility [Member] \| Minimum [Member] \| Prior to Step Down Date \| Base Rate
Basis spread on variable rate							1.75%
ABL Borrower \| Revolving Credit Facility [Member] \| Minimum [Member] \| After Step Down Date \| London Interbank Offered Rate (LIBOR)
Basis spread on variable rate							2.25%
ABL Borrower \| Revolving Credit Facility [Member] \| Minimum [Member] \| After Step Down Date \| Base Rate
Basis spread on variable rate							1.25%
ABL Borrower \| Revolving Credit Facility [Member] \| Maximum [Member] \| Prior to Step Down Date \| London Interbank Offered Rate (LIBOR)
Basis spread on variable rate							3.00%
ABL Borrower \| Revolving Credit Facility [Member] \| Maximum [Member] \| Prior to Step Down Date \| Base Rate
Basis spread on variable rate							2.00%
ABL Borrower \| Revolving Credit Facility [Member] \| Maximum [Member] \| After Step Down Date \| London Interbank Offered Rate (LIBOR)
Basis spread on variable rate							2.50%
ABL Borrower \| Revolving Credit Facility [Member] \| Maximum [Member] \| After Step Down Date \| Base Rate
Basis spread on variable rate							1.50%
ABL Borrower \| Revolving Credit Facility [Member] \| Revolving ABL Facility
Line of Credit Facility, Maximum Borrowing Capacity											$ 2,941,000,000
Letters of Credit Outstanding, Amount											116,000,000
Amount Outstanding Under Credit Facility											0	$ 0
Line of credit facility, maximum amount outstanding during period											585,000,000
Repayments of lines of credit											$ 585,000,000
ABL Borrower \| New ABL Credit Facility
Credit Agreement maturity date											Mar. 31, 2027
ABL Borrower \| New ABL Credit Facility \| Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 3,000,000,000.0
ABL Borrower \| New ABL Credit Facility \| Credit Spread [Member] \| Subsequent Event [Member]
Basis spread on variable rate			0.10%
ABL Borrower \| New ABL Credit Facility \| Minimum [Member] \| Base Rate \| Subsequent Event [Member]
Basis spread on variable rate			0.25%
ABL Borrower \| New ABL Credit Facility \| Minimum [Member] \| SOFR \| Subsequent Event [Member]
Basis spread on variable rate			1.25%
ABL Borrower \| New ABL Credit Facility \| Maximum [Member] \| Base Rate \| Subsequent Event [Member]
Basis spread on variable rate			0.50%
ABL Borrower \| New ABL Credit Facility \| Maximum [Member] \| SOFR \| Subsequent Event [Member]
Basis spread on variable rate			1.50%
3.875% Senior notes due 2022 [Member]
Debt instrument, redeemed in principal amount				$ 294,000,000
Debt instrument interest rate, stated percentage				3.875%						3.875%			3.875%
Debt instrument, redemption price, percentage of principal amount redeemed				100.00%
Debt instrument, accrued and unpaid interest				$ 3,000,000
Extinguishment of debt										$ 100,000,000
8.375% Senior secured notes due 2025 [Member]
Debt instrument, redeemed in principal amount					$ 1,300,000,000
Debt instrument interest rate, stated percentage					8.375%						8.375%	8.375%
Debt instrument, redemption price, percentage of principal amount redeemed					100.00%
Debt instrument, accrued and unpaid interest					$ 19,000,000
Gain (loss) on early redemption of debt before write off					138,000,000
Unamortized deferred debt costs					$ 47,000,000
Debt instrument, principal outstanding											$ 0	$ 1,300,000,000
5.875% Senior Secured Debentures Due 2029 [Member]
Debt instrument interest rate, stated percentage						5.875%					5.875%	5.875%
Face amount						$ 500,000,000
Debt instrument, maturity date						Apr. 01, 2029
Debt instrument, principal outstanding											$ 500,000,000	$ 0
Senior Notes
Debt instrument interest rate, stated percentage							8.375%
Face amount							$ 1,300,000,000
Debt instrument, maturity date							Jun. 15, 2025
Debt instrument, issuance date							Jun. 08, 2020
Debt instrument, payment commencing date							Dec. 15, 2020
Debt instrument, maturity date, description												The 2025 Notes mature on June 15, 2025, unless earlier redeemed or repurchased, and were subject to the terms and conditions set forth in the related indenture.
Repayments of Debt											$ 1,300,000,000
4.375% Senior notes due 2023 [Member]
Debt instrument interest rate, stated percentage										4.375%	4.375%	4.375%	4.375%
Extinguishment of debt										$ 190,000,000
Debt instrument, principal outstanding											$ 161,000,000	$ 210,000,000
6.9% senior debentures due 2029 [Member]
Debt instrument interest rate, stated percentage										6.90%	6.90%	6.90%	6.90%
Extinguishment of debt										$ 113,000,000
Debt instrument, principal outstanding											$ 79,000,000	$ 79,000,000
2.875% Senior Notes Due 2023 [Member]
Debt instrument interest rate, stated percentage										2.875%	2.875%	2.875%	2.875%
Extinguishment of debt										$ 110,000,000
Debt instrument, principal outstanding											$ 504,000,000	$ 640,000,000
7.0% senior debentures due 2028 [Member]
Debt instrument interest rate, stated percentage										7.00%			7.00%
Extinguishment of debt										$ 12,000,000
Senior Secured Notes \| Subsequent Event [Member]
Debt instrument, redemption price, percentage of principal amount redeemed		100.00%
Extinguishment of debt		$ 8,000,000
Secured debt		$ 352,000,000
5.875% Senior Notes due 2030 [Member] \| Subsequent Event [Member]
Debt instrument interest rate, stated percentage	5.875%
Face amount	$ 425,000,000
Debt instrument, maturity date	Mar. 15, 2030
6.125% Senior Notes due 2032 [Member] \| Subsequent Event [Member]
Debt instrument interest rate, stated percentage	6.125%
Face amount	$ 425,000,000
Debt instrument, maturity date	Mar. 15, 2032