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Earnings Per Share - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions
3 Months Ended
Apr. 20, 2017
Mar. 31, 2017
Mar. 25, 2016
Apr. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Share repurchase program       $ 2,000,000,000
Shares repurchased value   $ 258,000,000 $ 249,000,000  
Shares repurchased during the period (in shares)   6 10  
Subsequent Event        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dividend increase (as a percent) 11.00%      
Quarterly dividend (in dollars per share) $ 0.20      
Share repurchase program $ 1,000,000,000      
Employee Stock Option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities   3 4