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Long-term Debt (Issuance And Repurchase Of Notes) (Narrative) (Details) (USD $)
3 Months Ended 1 Months Ended
May 04, 2013
Apr. 28, 2012
Feb. 29, 2012
Fixed Rate 5.625% Notes Due February 2022 [Member]
Debt instrument, face amount     $ 1,000,000,000
Debt instrument, stated rate     5.625%
Net proceeds from the notes issuance 0 985,000,000 985,000,000
Notes issuance transaction costs     $ 15,000,000