Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 03, 2013	May 04, 2012
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$ (59)
Other comprehensive income (loss) before reclassifications	16
Amounts reclassified from accumulated other comprehensive loss	(34)
Total change for the period	(18)	(21)
Balance at end of period	(77)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	(68)
Other comprehensive income (loss) before reclassifications	(31)
Amounts reclassified from accumulated other comprehensive loss	0
Total change for the period	(31)
Balance at end of period	(99)
Available-for-Sale Investments
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	8
Other comprehensive income (loss) before reclassifications	1
Amounts reclassified from accumulated other comprehensive loss	0
Total change for the period	1
Balance at end of period	9
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	1
Other comprehensive income (loss) before reclassifications	46
Amounts reclassified from accumulated other comprehensive loss	(34)
Total change for the period	12
Balance at end of period	$ 13