v3.3.1.900
Pensions and Other Benefit Plans (Details 9) - USD ($)
$ in Millions
 12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Retirement Plans [Member]      
Amounts Recognized in Net Benefit Cost and Other Comprehensive Income      
Net periodic benefit cost $ 971 $ 743 $ 1,055
Net actuarial (gain) loss (75) 4,942  
Amortization of net actuarial loss (745) (460)  
Prior service cost (credit) 60 (60)  
Amortization of prior service (cost) credit (2) (6)  
Effect of exchange rates (218) (273)  
Total recognized in other comprehensive income, before tax (980) 4,143  
Amount Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss), before Tax (9) 4,886  
Other Benefit Plans [Member]      
Amounts Recognized in Net Benefit Cost and Other Comprehensive Income      
Net periodic benefit cost 604 503 $ 452
Net actuarial (gain) loss (389) 1,015  
Amortization of net actuarial loss (201) (136)  
Prior service cost (credit) 0 (253)  
Amortization of prior service (cost) credit 33 34  
Effect of exchange rates (1) 0  
Total recognized in other comprehensive income, before tax (558) 660  
Amount Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss), before Tax $ 46 $ 1,163