Fair Value Disclosures (Other Financial Instruments) (Details) (USD $)
In Millions, unless otherwise specified
Nov. 01, 2014
Feb. 01, 2014
Nov. 02, 2013
Fair Value Disclosures [Abstract]      
Long-term debt, including current maturities, Carrying Amount $ 5,357 $ 4,862 $ 4,868
Long-term debt, including current maturities, Fair Value $ 4,910 $ 4,209 $ 4,252