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Treasury Stock (Details) - USD ($)
shares in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]        
Board-approved share repurchase program of common stock $ 2,000,000,000.0   $ 2,000,000,000.0  
Stock repurchase period     December 2017  
Repurchased shares under the share repurchase program 0.9 1.0 1.5 2.2
Cost of share repurchased under the share repurchase program $ 76,600,000 $ 62,500,000 $ 124,540,000 $ 146,997,000
Remaining authorization under the share repurchase program $ 738,800,000   $ 738,800,000