Debt - Components of Long Term Debt (Details)		12 Months Ended
Nov. 03, 2017 USD ($)	Feb. 03, 2018 USD ($) Bank	Jan. 28, 2017 USD ($)
Debt Instrument [Line Items]
Unamortized debt discount		$ 18,000,000	$ 20,000,000
Long-term Debt, Fair Value		2,900,000,000	2,700,000,000
Long-term debt		$ 2,797,000,000	$ 2,795,000,000
Number of periods funds may withdrawn	5 years
Borrowings under credit facility	$ 1,000,000,000
Line of Credit Facility, Description		1.0
Maturity of notes	Nov. 30, 2022
Trade Letters of Credit and Stand by Letters of Credit
Debt Instrument [Line Items]
Line of credit facility outstanding amount		$ 48,000,000
Number of Banks With Uncommitted Lines \| Bank		2
Senior Notes
Debt Instrument [Line Items]
Effective Rate		4.88%	4.88%
Total senior debt		$ 2,815,000,000	$ 2,815,000,000
Senior Notes \| Senior Notes Due Two Thousand And Twenty One [Member]
Debt Instrument [Line Items]
Effective Rate		4.81%	4.81%
Debt Instrument, Interest Rate, Stated Percentage		4.00%	4.00%
Total senior debt		$ 650,000,000	$ 650,000,000
Senior Notes \| Senior Notes Due Twenty Twenty Three [Member]
Debt Instrument [Line Items]
Effective Rate		3.25%	3.25%
Debt Instrument, Interest Rate, Stated Percentage		3.25%	3.25%
Total senior debt		$ 350,000,000	$ 350,000,000
Senior Notes \| Four Point Seven Eight Percent Senior Note Due Twenty Twenty Three [Member]
Debt Instrument [Line Items]
Effective Rate		4.78%	4.78%
Debt Instrument, Interest Rate, Stated Percentage		4.75%	4.75%
Total senior debt		$ 300,000,000	$ 300,000,000
Senior Notes \| Senior Notes Due Twenty Twenty Five [Member]
Debt Instrument [Line Items]
Effective Rate		4.25%	4.25%
Debt Instrument, Interest Rate, Stated Percentage		4.25%	4.25%
Total senior debt		$ 650,000,000	$ 650,000,000
Senior Notes \| Senior Notes Due 2029
Debt Instrument [Line Items]
Effective Rate		7.36%	7.36%
Debt Instrument, Interest Rate, Stated Percentage		7.25%	7.25%
Total senior debt		$ 99,000,000	$ 99,000,000
Senior Notes \| Senior Notes Due 2033
Debt Instrument [Line Items]
Effective Rate		6.05%	6.05%
Debt Instrument, Interest Rate, Stated Percentage		6.00%	6.00%
Total senior debt		$ 166,000,000	$ 166,000,000
Senior Notes \| Senior Notes Due 2037
Debt Instrument [Line Items]
Effective Rate		6.89%	6.89%
Debt Instrument, Interest Rate, Stated Percentage		6.88%	6.88%
Total senior debt		$ 150,000,000	$ 150,000,000
Senior Notes \| Senior Notes Due 2045
Debt Instrument [Line Items]
Effective Rate		5.57%	5.57%
Debt Instrument, Interest Rate, Stated Percentage		5.55%	5.55%
Total senior debt		$ 450,000,000	$ 450,000,000

Number of Banks With Uncommitted Lines

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- Definition

Number of periods funds may withdrawn.

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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.

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No definition available.

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- Definition

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

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

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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

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

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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- Definition

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

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- Definition

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://www.xbrl.org/2003/role/presentationRef
-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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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