Annual report pursuant to Section 13 and 15(d)

Capital Stock Dividends (Details)

v3.10.0.1
Capital Stock Dividends (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended
Dec. 20, 2018
Oct. 23, 2018
Dec. 06, 2018
Sep. 30, 2018
Jun. 24, 2018
Mar. 25, 2018
Dec. 24, 2017
Sep. 24, 2017
Jun. 25, 2017
Mar. 26, 2017
Dec. 25, 2016
Sep. 25, 2016
Jun. 26, 2016
Mar. 27, 2016
Dec. 27, 2015
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
Dividends [Line Items]                                    
Dividends per share announced       $ 0.62 $ 0.62 $ 0.57 $ 0.57 $ 0.57 $ 0.57 $ 0.53 $ 0.53 $ 0.53 $ 0.53 $ 0.48 $ 0.48 $ 2.38 $ 2.20 $ 2.02
Dividends charged to retained earnings       $ 877 $ 921 $ 857 $ 862 $ 857 $ 858 $ 798 $ 801 $ 796 $ 794 $ 726 $ 730 $ 3,517 $ 3,314 $ 3,046
Subsequent Event [Member]                                    
Dividends [Line Items]                                    
Dividends Payable, Date declared   Oct. 23, 2018                                
Dividends Payable, Date to be paid Dec. 20, 2018                                  
Dividends Payable, Date of record     Dec. 06, 2018                              
Dividends per share announced   $ 0.62