XML 84 R71.htm IDEA: XBRL DOCUMENT v3.7.0.1
Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jul. 19, 2017
May 09, 2017
Jun. 30, 2017
Jun. 24, 2016
Jun. 30, 2017
Jun. 24, 2016
May 08, 2017
Dec. 04, 2014
Class of Stock [Line Items]                
Aggregate amount of repurchased shares         $ 26 $ 276    
Cash dividends declared per common share (in dollars per share)   $ 0.75 $ 0.75 $ 0.70 $ 1.50 $ 1.40    
Dividend declared date         May 09, 2017      
Dividend paid date         Jun. 15, 2017      
Dividend paid, record date         May 19, 2017      
Cash dividends         $ 119      
Accrued dividends through payment         1      
Subsequent Event [Member]                
Class of Stock [Line Items]                
Cash dividends declared per common share (in dollars per share) $ 0.75              
Dividend declared date Jul. 19, 2017              
Dividend paid date Sep. 15, 2017              
Dividend paid, record date Aug. 17, 2017              
Treasury Stock [Member]                
Class of Stock [Line Items]                
Aggregate amount of repurchased shares         $ 26 $ 276    
Share Repurchase Program December 4, 2014 [Member]                
Class of Stock [Line Items]                
Amount of shares authorized to be repurchased               $ 1,500
Share Repurchase Program December 4, 2014 [Member] | Treasury Stock [Member]                
Class of Stock [Line Items]                
Number of common shares repurchased (in shares)         159,738      
Average price per share of repurchased shares (in dollars per share)         $ 164.75      
Aggregate amount of repurchased shares         $ 26      
Share Repurchase Program May 8, 2017 [Member]                
Class of Stock [Line Items]                
Amount of shares authorized to be repurchased             $ 1,500