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
Jun. 20, 2018
Apr. 17, 2018
May 30, 2018
Mar. 25, 2018
Dec. 24, 2017
Mar. 26, 2017
Dec. 25, 2016
Mar. 25, 2018
Mar. 26, 2017
Mar. 08, 2018
Dividends [Line Items]                    
Percentage increase common stock dividend per share announced                   9.00%
Dividends per share announced       $ 0.57 $ 0.57 $ 0.53 $ 0.53 $ 1.14 $ 1.06  
Dividends       $ 857 $ 862 $ 798 $ 801 $ 1,719 $ 1,599  
Amount of increased common stock dividends per share announced                   $ 0.62
Subsequent Event [Member]                    
Dividends [Line Items]                    
Dividends per share announced   $ 0.62                
Dividends payable, date declared   Apr. 17, 2018                
Dividends payable, date to be paid Jun. 20, 2018                  
Dividends payable, date of record     May 30, 2018