Derivative Instruments Derivative Instruments (Interest Rate Contracts - Fair Value Hedging Disclosure) (Details) - Fair Value Hedging [Member] - Interest Rate Swap [Member] - USD ($) $ in Millions	Aug. 02, 2014	Feb. 01, 2014
Fixed Rate 6.90% Notes Due July 2017 [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 100	$ 200
Fixed Rate 8.50% Notes Due June 2019 [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 100	$ 200