Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2013	Aug. 03, 2012	Aug. 02, 2013	Aug. 03, 2012
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period			$ (59)
Other comprehensive income (loss) before reclassifications			(17)
Amounts reclassified from accumulated other comprehensive loss			(77)
Total change for the period	(76)	(39)	(94)	(60)
Balance at end of period	(153)		(153)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period			(68)
Other comprehensive income (loss) before reclassifications			(101)
Amounts reclassified from accumulated other comprehensive loss			0
Total change for the period			(101)
Balance at end of period	(169)		(169)
Available-for-Sale Investments
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period			8
Other comprehensive income (loss) before reclassifications			(4)
Amounts reclassified from accumulated other comprehensive loss			0
Total change for the period			(4)
Balance at end of period	4		4
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period			1
Other comprehensive income (loss) before reclassifications			88
Amounts reclassified from accumulated other comprehensive loss			(77)
Total change for the period			11
Balance at end of period	$ 12		$ 12