Pension Benefits Change in Projected Benefit Obligations, Plan Assets, and Funding Status (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss)
Prior Service Cost	$ 67	$ 59
Net Amount Recognized	67	59
Amounts Recognized in Balance Sheet
Other Assets	231	250
Other Current Liabilities	(17)	(15)
Other liabilities	(946)	(777)
Net Amount Recognized	(732)	(542)
Defined Benefit Plan, Accumulated Benefit Obligation	4,900	5,100
Pension [Member]
Change in Benefit Obligation [Roll Forward]
Beginning of Year	5,570	4,888
Service Cost	114	106
Interest Cost	206	225
Plan Participants' Contributions	2	2
Plan Amendments	25	4
Actuarial Gain (Loss)	(191)	754
Benefits Paid	(262)	(281)
Curtailments	(2)	0
Other	4	3
Foreign Currency Adjustments	(150)	(131)
End of Year	5,316	5,570
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, Beginning of Year	5,028	5,014
Actual Return on Plan Assets	(102)	390
Employer Contributions	19	37
Plan Participants' Contributions	2	2
Benefits Paid, Plan Assets	(235)	(261)
Other	4	3
Foreign Currency Adjustments	(132)	(157)
Fair Value, End of Year	4,584	5,028
Funded Status	$ (732)	$ (542)