Earnings Per Share (EPS) (Shares Repurchase Program) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		1 Months Ended	3 Months Ended		1 Months Ended	3 Months Ended
	May 02, 2014	May 03, 2013	Dec. 31, 2013 Accelerated Share Repurchase	May 02, 2014 Accelerated Share Repurchase	Jan. 31, 2014 Accelerated Share Repurchase	Mar. 31, 2014 Second Accelerated Share Repurchase	May 02, 2014 Second Accelerated Share Repurchase
Accelerated Share Repurchases [Line Items]
Aggregate purchase price			$ 300,000,000			$ 200,000,000
Repurchases of stock	(212,000,000)	(16,000,000)	(300,000,000)				(200,000,000)
Shares repurchased and retired	5.5		5.6	1.0			4.5
Value of initial shares repurchased				45,000,000	255,000,000		160,000,000
Percentage of total outstanding shares repurchased							80.00%
Forward contract indexed to our common stock							$ 40,000,000