CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Statement of Comprehensive Income [Abstract]
Comprehensive income (loss)	$ 867us-gaap_NetIncomeLoss	$ 889us-gaap_NetIncomeLoss	$ 986us-gaap_NetIncomeLoss
Other comprehensive income (loss), net of tax:
Unrealized gains on investments	11	8	5
Interest rate derivatives:
Reclassification adjustment for interest expense on interest rate derivatives included in net income	3	3	3
Other comprehensive income	14	11	8
Comprehensive income	$ 881us-gaap_ComprehensiveIncomeNetOfTax	$ 900us-gaap_ComprehensiveIncomeNetOfTax	$ 994us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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