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Share Repurchase (Tables) | 3 Months Ended
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Apr. 30, 2016
Equity [Abstract] |
Schedule of Share Repurchase (excluding ASR) |
Share Repurchases (excluding ASR) | Three Months Ended (a)
(millions, except per share data) | April 30, 2016 |  |  | May 2, 2015 (b) |
Total number of shares purchased | 11.4 |  |  | 3.7 |
Average price paid per share | $ | 78.37 |  |  | $ | 80.85 |
Total investment | $ | 893 |  |  | $ | 300 |
Note: Accelerated share repurchase (ASR) activity is omitted because the transaction initiated during the first quarter of 2015 was not fully settled as of May 2, 2015. (a) Excludes shares withheld to settle employee statutory tax withholding related to the vesting of share-based awards. (b) Includes 0.1 million shares delivered upon the noncash settlement of a prepaid contract, which had an original cash investment of $3 million and aggregate market value at its settlement date of $7 million. These contracts are among the investment vehicles used to reduce our economic exposure related to our nonqualified deferred compensation plans. Note 10 provides the details of our positions in prepaid forward contracts.

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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