Net Earnings Per Share (Components Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Earnings Per Share [Abstract]
Net earnings	$ 680.6	$ 597.0	$ 1,936.7	$ 1,905.7
Basic EPS, Shares (Denominator)	702.6	697.7	701.3	695.0
Basic EPS, Per Share Amount	$ 0.97	$ 0.86	$ 2.76	$ 2.74
Adjustment for interest on convertible debentures, Net Earnings (Numerator)	0.9	0.6	2.6	2.6
Incremental shares from assumed exercise of dilutive options and vesting of dilutive RSUs, Shares (Denominator)	8.8	8.6	9.2	8.5
Incremental shares from assumed conversion of the convertible debentures, Shares (Denominator)	4.8	5.6	5.1	6.6
Diluted EPS, Net Earnings (Numerator)	$ 681.5	$ 597.6	$ 1,939.3	$ 1,908.3
Diluted EPS, Shares (Denominator)	716.2	711.9	715.6	710.1
Diluted EPS, Per Share Amount	$ 0.95	$ 0.84	$ 2.71	$ 2.69