Net Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Net Earnings Per Share [Line Items]
Net earnings	$ 244	$ 241	$ 456	$ 474
Basic weighted average shares outstanding	313.9	328.6	314.8	326.9
Diluted weighted average shares outstanding	315.2	332.6	316.4	330.7
Basic net earnings per share	$ 0.78	$ 0.73	$ 1.45	$ 1.45
Diluted net earnings per share	$ 0.78	$ 0.72	$ 1.44	$ 1.43
Common stock subject to stock options, restricted stock awards and restricted stock units excluded from the diluted net earnings per share computation	20.2	6.6	17.0	7.0
Employee Stock Options [Member]
Net Earnings Per Share [Line Items]
Effect of dilutive securities	1.1	3.8	1.5	3.7
Restricted Stock Units [Member]
Net Earnings Per Share [Line Items]
Effect of dilutive securities	0.2	0.2	0.1	0.1