Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Foreign Currency Translation
Beginning Balance	$ (202)
Net change	137	(1,210)
Ending Balance	(65)
Gain /(Loss) on Securities
Beginning Balance	106
Net change	27	177
Ending Balance	133
Employee Benefit Plans
Begining Balance	(3,009)
Net change	94	131
Ending Balance	(2,915)
Gain/(Loss) on Derivatives & Hedges
Beginning Balance	245
Net change	(43)	23
Ending Balance	202
Total Accumulated Other Comprehensive Income (Loss)
Beginning Balance	(2,860)
Net change	215	(879)
Ending Balance	$ (2,645)