Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	11 Months Ended	12 Months Ended
	Mar. 03, 2012	Feb. 02, 2013	Jan. 31, 2015	Feb. 01, 2014	Jan. 28, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation	$ 93	$ 113	$ 382	$ 485	$ 104
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(3)	(1)	0	7	(3)
Accumulated other comprehensive income	90	112	382	492	101
Other Comprehensive Income (Loss), Adjustments, Net of Tax	11
Foreign currency translation adjustments		15	(103)	(136)
Unrealized gain (loss) on available-for-sale investments		2	(3)	6
Reclassification of foreign currency translations adjustments into earnings due to sale of business		0	0	654
Reclassification of (gains) losses on available-for-sale investments into earnings			(4)	2
Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments		9	(103)	(136)
Unrealized gain (loss) on available-for-sale investments		2	(3)	7
Reclassification of foreign currency translations adjustments into earnings due to sale of business				508
Reclassification of (gains) losses on available-for-sale investments into earnings			$ (4)	$ 1