v3.3.1.900
Pensions and Other Benefit Plans (Details 5) - USD ($)
$ in Millions
12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Retirement Plans [Member]      
Change in Benefit Obligation      
Projected benefit obligation - beginning of year $ 26,889 $ 21,488  
Service cost 1,037 882 $ 906
Interest cost 988 1,018 908
Plan participant contributions 48 59  
Amendments 60 (60)  
Actuarial (gains) losses (1,578) 5,395  
Divestitures & acquisitions (5) (121)  
Curtailments, settlements & restructuring (20) (53)  
Benefits paid from plan (773) (813)  
Effect of exchange rates (791) (906)  
Projected benefit obligation - end of year 25,855 26,889 21,488
Other Benefit Plans [Member]      
Change in Benefit Obligation      
Projected benefit obligation - beginning of year 5,081 4,407  
Service cost 257 211 196
Interest cost 186 197 151
Plan participant contributions 0 0  
Amendments 0 (254)  
Actuarial (gains) losses (400) 1,030  
Divestitures & acquisitions 0 0  
Curtailments, settlements & restructuring (3) 0  
Benefits paid from plan (420) (493)  
Effect of exchange rates (32) (17)  
Projected benefit obligation - end of year $ 4,669 $ 5,081 $ 4,407