Pensions and Other Postretirement Benefit (Details Textuals) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 22,254	$ 22,575
Pensions and Other Benefit Plans (Textuals)
Percentage of corridor of greater of market value of assets	10.00%
Projected benefit obligation, unfunded plans	$ 5,300	9,400
Accumulated benefit obligation unfunded plans	4,500	8,200
Plan Assets	1,900	5,300
Fair value of company's common stock directly held in plan assets	$ 751	$ 778
Percentage of company's common stock to plan asset	3.40%	3.40%
Defined Benefit Plan, Measurement Date	December 31, 2015	December 28, 2014
U.S. retirement plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to pension plans	$ 435
International retirement plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Contribution to pension plans	317
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	22,254	$ 22,575	$ 20,901
Net periodic benefit cost attributable to other benefit plans	971	743	1,055
Other Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	74	79	87
Net periodic benefit cost attributable to other benefit plans	604	503	$ 452
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	10,643	11,068
Commingled Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	7,222	7,251
Commingled Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	7,189	7,205
Commingled Funds [Member] | Fair Value, Inputs, Level 2 [Member] | Other Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	74	79
Short-term investment funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	496	719
Short-term investment funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 312	$ 551
Minimum [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement plan benefits Employee compensation Period	3 years
Maximum [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Retirement plan benefits Employee compensation Period	5 years