Earnings Per Share (Narrative) (Details) - $ / shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	2.8	5.9	1.9	4.8
Antidilutive securities excluded from computation of earnings per share, exercise price, lower range limit	$ 54.09	$ 38.66	$ 53.17	$ 38.66
Antidilutive securities excluded from computation of earnings per share, exercise price, upper range limit	$ 73.40	$ 60.37	$ 73.40	$ 60.37