Pension, Postretirement Health Care and Other Benefits (Details 2) (Prepaid forward contracts, USD $) Share data in Millions, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013	Feb. 01, 2014
Prepaid forward contracts
Prepaid Forward Contracts on Target Common Stock
Change in fair value for contracts indexed to Target common stock, recognized in earnings, pretax	$ (5,000,000)	$ 1,000,000	$ 2,000,000	$ 12,000,000
Number of Shares	0.7	1.0	0.7	1.0	1.3
Contractual Price Paid per Share			42.88	45.01	48.81
Fair Value	40,000,000	73,000,000	40,000,000	73,000,000	73,000,000
Total Cash Investment	29,000,000	46,000,000	29,000,000	46,000,000	63,000,000
Payments for derivative instrument, investing activities			$ 0	$ 6,000,000

The cash investment of the contract indexed to the entity's common stock.

No definition available.

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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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- Definition

The number of issuer's shares to which the option contract is indexed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 40

-Section 50

-Paragraph 5

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008

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- Definition

The exercise (or strike) price stated in the contract. The fixed price at which the option holder can purchase, in the case of a call option, or sell, in the case of a put option, on the underlying security.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 40

-Section 50

-Paragraph 5

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008

+ Details

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- Definition

The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

+ References

No definition available.

+ Details

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