Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May 02, 2015	Oct. 29, 2016	Oct. 31, 2015	Jan. 30, 2016	Jan. 31, 2015
Foreign currency translation	$ (10)	$ (22)	$ 31	$ (2)	$ (13)	$ 6	$ (1)	$ (9)
Change in fair value of derivative financial instruments	39	(7)	(89)	(4)	36	(10)	(57)	22
Amounts reclassified from accumulated other comprehensive income	0	8	(7)	(33)	(19)	(21)	1	(73)
Other comprehensive income (loss), net	29	(21)	(65)	(39)	4	(25)	(57)	(60)
Accumulated Other Comprehensive Income (Loss), Net of Tax	28	(1)	20	105	144	140	28	105	$ 85	$ 165
Accumulated Translation Adjustment [Member]
Foreign currency translation	(10)	(22)	31	(2)	(13)	6
Change in fair value of derivative financial instruments	0	0	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	0	0	0	0	0	0
Other comprehensive income (loss), net	(10)	(22)	31	(2)	(13)	6
Accumulated Other Comprehensive Income (Loss), Net of Tax	21	31	53	51	53	66	21	51	22	60
Derivatives in cash flow hedging relationships
Foreign currency translation	0	0	0	0	0	0
Change in fair value of derivative financial instruments	39	(7)	(89)	(4)	36	(10)
Amounts reclassified from accumulated other comprehensive income	0	8	(7)	(33)	(19)	(21)
Other comprehensive income (loss), net	39	1	(96)	(37)	17	(31)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 7	$ (32)	$ (33)	$ 54	$ 91	$ 74	$ 7	$ 54	$ 63	$ 105