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Subsequent Event (Details) - June 2015 Repurchase Program [Member] - USD ($)
shares in Thousands, $ in Millions
1 Months Ended 9 Months Ended
Dec. 02, 2015
Oct. 31, 2015
Subsequent Event [Line Items]    
Shares Repurchased   1,375
Amount Repurchased   $ 113
Subsequent Event [Member]    
Subsequent Event [Line Items]    
Shares Repurchased 1,200  
Amount Repurchased $ 109