Income Taxes (Activity Related to its Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
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	$ 67	$ 90	$ 248
Increases in Tax Benefits for Prior Years	35	3	3
Decreases in Tax Benefits for Prior Years	(25)	(22)	(73)
Increases in Unrecognized Tax Benefits as a Result of Current Year Activity	44	7	18
Decreases to Unrecognized Tax Benefits Relating to Settlements with Taxing Authorities	0	(2)	(98)
Decreases to Unrecognized Tax Benefits as a Result of a Lapse of the Applicable Statute of Limitations	(7)	(9)	(8)
Gross Unrecognized Tax Benefits, as of the End of the Fiscal Year	$ 114	$ 67	$ 90

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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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

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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
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-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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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
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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