The net book value of a building pledged as security for a mortgage.

No definition available.

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- Definition

Debt Instrument, Debt Covenant Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

The maximum amount by which the entity may choose to increase the maximum capacity of a credit facility.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

+ 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.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

+ Details

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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

Reference 2: 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))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- 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.

+ References

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ 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(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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Debt And Credit Facilities (Narrative) (Details) $ in Millions	2 Months Ended	12 Months Ended
	Mar. 20, 2017 USD ($)	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($)
Debt Instrument [Line Items]
Book value of office building used to secure mortgage payable		$ 59
Total unsecured debt		$ 2,747	$ 2,770
Basis spread on variable rate		1.275%
Commercial Paper [Member]
Debt Instrument [Line Items]
Borrowing capacity of current facility		$ 800
Outstanding borrowings or issuances		0	0
Senior notes, 5.00%, due January 2044, net of unamortized discount [Member]
Debt Instrument [Line Items]
Total unsecured debt		$ 602	$ 600
Debt instrument interest rate		5.00%	5.00%
Maturity date		January 2044	January 2044
Senior notes, 6.25%, due January 2018, net of unamortized discount [Member]
Debt Instrument [Line Items]
Total unsecured debt		$ 650	$ 649
Debt instrument interest rate		6.25%	6.25%
Maturity date		January 2018	January 2018
Unsecured revolving credit facility [Member]
Debt Instrument [Line Items]
Maturity date		April 2020
Option to increase the maximum capacity of revolving credit facility		$ 200
Maximum borrowing capacity		$ 1,000
Debt covenant leverage ratio		4
Outstanding borrowings or issuances		$ 0	$ 0
Unsecured revolving credit facility [Member] \| Commercial Paper [Member]
Debt Instrument [Line Items]
Total short-term borrowing capacity		$ 800
Puerto Rico unsecured borrowing facility [Member]
Debt Instrument [Line Items]
Maturity date		November 2018
Maximum borrowing capacity		$ 52
Debt instrument interest rate		LIBOR plus 1.275%
Outstanding borrowings or issuances		$ 50	$ 52
Subsequent Event [Member] \| Senior notes, 4.00%, due January 2027, net of unamortized discount [Member]
Debt Instrument [Line Items]
Total unsecured debt	$ 350
Debt instrument interest rate	4.00%
Maturity date	March 2027
Subsequent Event [Member] \| Senior notes, 5.00%, due January 2044, net of unamortized discount [Member]
Debt Instrument [Line Items]
Total unsecured debt	$ 300