Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

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-Section 45

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

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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

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-Publisher FASB

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-Topic 210

-SubTopic 10

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-Subparagraph (SX 210.5-02.19(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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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

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Accounting Standards Codification

-Topic 505

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

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Financing Activities (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended			9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Aug. 03, 2013	Nov. 02, 2013 8.0% Senior Debentures Due 2012 [Member]	Oct. 27, 2012 8.0% Senior Debentures Due 2012 [Member]	Nov. 02, 2013 5.35% Senior Notes Due 2012 [Member]	Oct. 27, 2012 5.35% Senior Notes Due 2012 [Member]	Nov. 02, 2013 7.625% Senior Debentures [Member]	Oct. 27, 2012 7.625% Senior Debentures [Member]	Sep. 06, 2013 4.375% Senior notes Due 2023 [Member]
Extinguishment of debt				$ 0	$ 173	$ 0	$ 616	$ 109	$ 0
Debt Instrument, Interest Rate, Stated Percentage					8.00%		5.35%			4.375%
Loss on extinguishment of debt		4
Stock Repurchased During Period, Shares	27.6
Stock Repurchased During Period, Value	1,254
Stock Repurchase Program, Remaining Authorized Repurchase Amount	1,748
Debt Instrument, Face Amount										400
Line of Credit Facility, Maximum Borrowing Capacity			1,500
Line of Credit Facility, Maximum Borrowing Capacity at Company's Option			$ 1,750