Earnings per Share (EPS) (Weighted-Average Shares) (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Oct. 02, 2016
Sep. 27, 2015
Earnings Per Share [Abstract]        
Shares for basic EPS(1) 295.2 303.9 297.2 305.8
Dilutive effect of LTPP and RSUs 0.3 0.4 0.3 0.4
Shares for diluted EPS 295.5 304.3 297.5 306.2
Shares for basic EPS, Participating Securities 3.7 4.3 4.1 4.9