Other Financial Data (Earnings (Loss) Per Common Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Basic earnings (loss) per common share:
Earnings from continuing operations	$ 192	$ 159
Net earnings	192	157
Weighted average common shares outstanding, basic (shares)	274.5	311.3
Basic earnings per common share (US$ per share)	$ 0.70	$ 0.51
Basic earnings per share amount (US$ per share)	$ 0.70	$ 0.50
Diluted earnings (loss) per common share:
Earnings from continuing operations	192	159
Net earnings	$ 192	$ 157
Weighted average common shares outstanding, basic (shares)	274.5	311.3
Add effect of dilutive securities:
Share-based awards (in shares)	6.2	6.4
Diluted weighted average common shares outstanding (shares)	280.7	317.7
Diluted earnings per common share (US$ per share)	$ 0.68	$ 0.50
Diluted earnings per share amount (US$ per share)	$ 0.68	$ 0.49

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