Derivative Instruments Derivative Instruments (Interest Rate Contracts - Fair Value Hedging Disclosures) (Details) (Fair Value Hedging [Member], Interest Rate Swap [Member], USD $) In Millions, unless otherwise specified	Feb. 01, 2014
Fixed Rate 6.90% Notes Due July 2017 [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 200
Fixed Rate 8.50% Notes Due June 2019 [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 200