Other Financial Data (Amounts Reclassified from Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales - Foreign exchange contracts	$ 674	$ 682	$ 2,019	$ 2,052
Earnings from continuing operations before income taxes	325	324	754	808
Tax expense (benefits)	(17)	(118)	8	(266)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	308	206	762	542
Net earnings	308	206	762	545
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net earnings	17		51
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales - Foreign exchange contracts	0		(1)
Net earnings	0		(1)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Amortization of Retirement Benefit Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Selling, general, and administrative expenses - Prior service costs	(13)		(38)
Selling, general, and administrative expenses - Actuarial net losses	39		118
Earnings from continuing operations before income taxes	26		80
Tax expense (benefits)	(9)		(28)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	$ 17		$ 52