Net Earnings Per Share From Continuing Operations (Components of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Earnings Per Share [Abstract]
Basis EPS, net earnings from continuing operations (numerator)	$ 663.7	$ 572.1	$ 1,904.1	$ 1,613.2
Adjustment for interest on convertible debentures, net earnings from continuing operations (numerator)	0.6	0.6	1.7	1.6
Diluted EPS, net earnings from continuing operations (numerator)	$ 664.3	$ 572.7	$ 1,905.8	$ 1,614.8
Basic EPS, shares (denominator)	701.4	696.2	700.1	695.3
Incremental shares from assumed exercise of dilutive options and vesting of dilutive RSUs and PSUs, shares (denominator)	6.9	6.5	7.3	7.3
Incremental shares from assumed conversion of the convertible debentures, shares (denominator)	2.3	2.9	2.5	2.9
Diluted EPS, shares (denominator)	710.6	705.6	709.9	705.5
Basis EPS, per share amount	$ 0.95	$ 0.82	$ 2.72	$ 2.32
Diluted EPS, per share amount	$ 0.93	$ 0.81	$ 2.68	$ 2.29