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
Jan. 12, 2016
Mar. 02, 2016
Mar. 23, 2016
Dec. 27, 2015
Dec. 28, 2014
Dividends [Line Items]          
Dividends per share announced       $ 0.48 $ 0.42
Dividends charged to retained earnings       $ 730 $ 710
Subsequent Event [Member]          
Dividends [Line Items]          
Dividends per share announced $ 0.48        
Dividends Payable, Date declared Jan. 12, 2016        
Dividends Payable, Date to be paid     Mar. 23, 2016    
Dividends Payable, Date of record   Mar. 02, 2016