Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Dividends (Details)

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Stockholders' Equity Dividends (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended
Apr. 12, 2017
May 31, 2017
Jun. 21, 2017
Mar. 26, 2017
Dec. 25, 2016
Mar. 27, 2016
Dec. 27, 2015
Mar. 26, 2017
Mar. 27, 2016
Mar. 07, 2017
Dividends [Line Items]                    
Percentage increase common stock dividend per share announced                   7.50%
Dividends per share announced       $ 0.53 $ 0.53 $ 0.48 $ 0.48 $ 1.06 $ 0.96  
Amount of increased quarterly common stock cash dividends per share announced                   $ 0.57
Dividends charged to retained earnings       $ 798 $ 801 $ 726 $ 730 $ 1,599 $ 1,456  
Subsequent Event [Member]                    
Dividends [Line Items]                    
Dividends per share announced $ 0.57                  
Dividends Payable, Date declared Apr. 12, 2017                  
Dividends Payable, Date to be paid     Jun. 21, 2017              
Dividends Payable, Date of record   May 31, 2017