Shareholders' Equity Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation	$ 271	$ 382	$ 485	$ 113
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	0	0	7	(1)
Accumulated other comprehensive income	271	382	492	$ 112
Foreign currency translation adjustments	(44)	(103)	(136)
Unrealized gain (loss) on available-for-sale investments	0	(3)	6
Reclassification of foreign currency translations adjustments into earnings due to sale of business	(67)	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	(44)	(103)	(136)
Unrealized gain (loss) on available-for-sale investments		(3)	7
Reclassification of foreign currency translations adjustments into earnings due to sale of business	$ (67)		508
Reclassification of (gains) losses on available-for-sale investments into earnings		$ (4)	$ 1