CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Net income	$ 240	$ 299	$ 394	$ 500
Other comprehensive (loss) income, net of tax:
Unrealized gains (losses) on investments	(2)	9		17
Interest rate derivatives:
Unrealized loss arising during period		(13)		(15)
Reclassification adjustment for interest expense included in net income	1		2
Other comprehensive (loss) income	(1)	(4)	2	2
Comprehensive income	$ 239	$ 295	$ 396	$ 502