Other Financial Data (Amounts Reclassified from Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales - Foreign exchange contracts	$ (400)	$ (435)	$ (751)	$ (840)
Earnings before income taxes	98	168	186	323
Tax expense (benefits)	(20)	59	(23)	61
Net earnings	824	262	951	454
Gain (Loss) on Sales of Investments and Businesses, Net	4	0	(4)	(7)
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net earnings	12	16	25	34
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales - Foreign exchange contracts	1	0	1	(1)
Earnings before income taxes	1	0	1	(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	(9)	(14)	(18)	(25)
Selling, general, and administrative expenses - Actuarial net losses	25	40	53	79
Earnings before income taxes	16	26	35	54
Tax expense (benefits)	(5)	(10)	(11)	(19)
Net earnings	$ 11	$ 16	$ 24	$ 35