Income Taxes (Activity Related to its Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
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	$ 146	$ 147	$ 115
Increases in Tax Benefits for Prior Years	13	4	17
Decreases in Tax Benefits for Prior Years	(19)	(33)	(17)
Increases in Unrecognized Tax Benefits as a Result of Current Year Activity	52	45	40
Decreases to Unrecognized Tax Benefits Relating to Settlements with Taxing Authorities	(1)	(9)	(2)
Decreases to Unrecognized Tax Benefits as a Result of a Lapse of the Applicable Statute of Limitations	(6)	(8)	(6)
Gross Unrecognized Tax Benefits, as of the End of the Fiscal Year	$ 185	$ 146	$ 147

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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