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Income Taxes (Activity Related to its Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended
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Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Gross Unrecognized Tax Benefits, as of the Beginning of the Fiscal Year | $ 90 | $ 248 | $ 193
Increases in Tax Benefits for Prior Years | 3 | 3 | 8
Decreases in Tax Benefits for Prior Years | (22) | (73) | (3)
Increases in Unrecognized Tax Benefits as a Result of Current Year Activity | 7 | 18 | 54
Decreases to Unrecognized Tax Benefits Relating to Settlements with Taxing Authorities | (2) | (98) | 0
Decreases to Unrecognized Tax Benefits as a Result of a Lapse of the Applicable Statute of Limitations | (9) | (8) | (4)
Gross Unrecognized Tax Benefits, as of the End of the Fiscal Year | $ 67 | $ 90 | $ 248

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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