Debt - Components of Long Term Debt (Details) - USD ($) $ in Millions	Nov. 03, 2018	Feb. 03, 2018	Oct. 28, 2017
Debt Instrument [Line Items]
Effective Rate	4.76%
Total senior debt	$ 2,285	$ 2,815	$ 2,815
Senior Notes [Member] \| Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Effective Rate	4.81%
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Total senior debt	$ 413	650	650
Senior Notes [Member] \| Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Effective Rate	3.25%
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Total senior debt	$ 350	350	350
Senior Notes [Member] \| Senior Notes 4.78% Due 2023 [Member]
Debt Instrument [Line Items]
Effective Rate	4.78%
Debt Instrument, Interest Rate, Stated Percentage	4.75%
Total senior debt	$ 184	300	300
Senior Notes [Member] \| Senior Notes Due 2025 [Member]
Debt Instrument [Line Items]
Effective Rate	4.25%
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Total senior debt	$ 650	650	650
Senior Notes [Member] \| Senior Notes Due 2029 [Member]
Debt Instrument [Line Items]
Effective Rate	7.36%
Debt Instrument, Interest Rate, Stated Percentage	7.25%
Total senior debt	$ 42	99	99
Senior Notes [Member] \| Senior Notes Due 2033 [Member]
Debt Instrument [Line Items]
Effective Rate	6.05%
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Total senior debt	$ 112	166	166
Senior Notes [Member] \| Senior Notes Due 2037 [Member]
Debt Instrument [Line Items]
Effective Rate	6.89%
Debt Instrument, Interest Rate, Stated Percentage	6.88%
Total senior debt	$ 101	150	150
Senior Notes [Member] \| Senior Notes Due 2045 [Member]
Debt Instrument [Line Items]
Effective Rate	5.57%
Debt Instrument, Interest Rate, Stated Percentage	5.55%
Total senior debt	$ 433	$ 450	$ 450

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
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

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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
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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