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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Amount of unamortized debt discount (premium) and debt issuance costs.

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Gross amount of debt extinguished.

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No definition available.

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The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.

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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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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Long-term Debt and Borrowing Facilities (Issuance And Repurchase Of Notes) (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		6 Months Ended
	Aug. 03, 2019	Jul. 06, 2019	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
Debt Instrument, Face Amount	$ 5,458		$ 6,708	$ 5,458	$ 6,708	$ 5,458	$ 5,458
Proceeds from Issuance of Long-Term Debt, Net of Issuance Costs					1,231	486
Debt Instrument, Repurchase Amount		$ 669			0	799
Gain (Loss) on Extinguishment of Debt				40	0	$ (40)
Extinguishment of Debt, Gain (Loss), Net of Tax				$ 30
Fixed Rate 7.00% Notes Due May 2020 [Member]
Debt Instrument, Repurchase Amount	130
With Subsidiary Guarantee [Member] \| 6.875% Fixed Interest Rate Secured Notes due July 2025 [Member]
Debt Instrument, Face Amount			$ 750		$ 750
Debt instrument, stated rate			6.875%		6.875%
Proceeds from Issuance of Debt			$ 739
Payments of Debt Issuance Costs			11		$ 11
With Subsidiary Guarantee [Member] \| 9.375% Fixed Interest Rate Notes due July 2025 [Member]
Debt Instrument, Face Amount			$ 500		$ 500
Debt instrument, stated rate			9.375%		9.375%
Proceeds from Issuance of Debt					$ 492
Payments of Debt Issuance Costs			$ 8		$ 8
With Subsidiary Guarantee [Member] \| Fixed Rate 5.625 Percent Notes Due February 2022 [Member]
Extinguishment of Debt, Amount		96
With Subsidiary Guarantee [Member] \| Fixed Rate 6.625 Percent Notes Due April 2021 [Member]
Extinguishment of Debt, Amount		330
With Subsidiary Guarantee [Member] \| Fixed Rate 7.00% Notes Due May 2020 [Member]
Extinguishment of Debt, Amount	$ 126	$ 212