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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 |

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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 + Details
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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 + Details
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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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