Debt - Components of Long-term Debt (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019
Debt Instrument [Line Items]
Effective interest rate	4.74%	4.74%
Outstanding	$ 1,867	$ 1,873
Unamortized debt discounts and deferred financing costs	(11)	(12)
Long-term debt	$ 1,856	1,861
Senior Notes [Member] \| Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Effective interest rate	3.25%
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Outstanding	$ 350	350
Senior Notes [Member] \| Senior Notes 4.78% Due 2023 [Member]
Debt Instrument [Line Items]
Effective interest rate	4.78%
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Outstanding	$ 184	184
Senior Notes [Member] \| Senior Notes Due 2025 [Member]
Debt Instrument [Line Items]
Effective interest rate	4.25%
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Outstanding	$ 650	650
Senior Notes [Member] \| Senior Notes Due 2029 [Member]
Debt Instrument [Line Items]
Effective interest rate	7.36%
Debt Instrument, Interest Rate, Stated Percentage	7.25%
Outstanding	$ 42	42
Senior Notes [Member] \| Senior Notes Due 2033 [Member]
Debt Instrument [Line Items]
Effective interest rate	6.05%
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Outstanding	$ 113	113
Senior Notes [Member] \| Senior Notes Due 2037 [Member]
Debt Instrument [Line Items]
Effective interest rate	6.89%
Debt Instrument, Interest Rate, Stated Percentage	6.88%
Outstanding	$ 101	101
Senior Notes [Member] \| Senior Notes Due 2045 [Member]
Debt Instrument [Line Items]
Effective interest rate	5.57%
Debt Instrument, Interest Rate, Stated Percentage	5.55%
Outstanding	$ 427	$ 433

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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