Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	$ 35	$ 7	$ (38)
Change in fair value of derivative financial instruments	(51)	(26)	60
Amounts reclassified from accumulated OCI	(2)	(12)	(102)
Other comprehensive income (loss), net	(18)	(31)	(80)
Accumulated Other Comprehensive Income (Loss), Net of Tax	36	54	85	$ 165
Derivatives in cash flow hedging relationships
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	0	0
Change in fair value of derivative financial instruments	(51)	(26)	60
Amounts reclassified from accumulated OCI	(2)	(12)	(102)
Other comprehensive income (loss), net	(53)	(38)	(42)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(28)	25	63	105
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	35	7	(38)
Change in fair value of derivative financial instruments	0	0	0
Amounts reclassified from accumulated OCI	0	0	0
Other comprehensive income (loss), net	35	7	(38)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 64	$ 29	$ 22	$ 60