v3.3.1.900
Pensions and Other Benefit Plans (Details 14) - USD ($)
$ in Millions
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets $ 22,254 $ 22,575  
Short-term investment funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 496 719  
Government and agency securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 1,767 1,934  
Debt instruments [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 1,051 1,144  
Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 11,328 11,225  
Commingled Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 7,222 7,251  
Insurance Contracts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 23 24  
Other Assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 367 278  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 11,501 11,373  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Short-term investment funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 184 168  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Government and agency securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Debt instruments [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 11,317 11,204  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Commingled Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Insurance Contracts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Quoted prices in active markets for identical assets and liabilities Level 1 [Member] | Other Assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 1  
Significant other observable inputs Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 10,643 11,068  
Significant other observable inputs Level 2 [Member] | Short-term investment funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 312 551  
Significant other observable inputs Level 2 [Member] | Government and agency securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 1,767 1,934  
Significant other observable inputs Level 2 [Member] | Debt instruments [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 1,050 1,143  
Significant other observable inputs Level 2 [Member] | Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 11 21  
Significant other observable inputs Level 2 [Member] | Commingled Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 7,189 7,205  
Significant other observable inputs Level 2 [Member] | Insurance Contracts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Significant other observable inputs Level 2 [Member] | Other Assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 314 214  
Significant unobservable inputs Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 110 134 $ 141
Significant unobservable inputs Level 3 [Member] | Short-term investment funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Significant unobservable inputs Level 3 [Member] | Government and agency securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0  
Significant unobservable inputs Level 3 [Member] | Debt instruments [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 1 1 1
Significant unobservable inputs Level 3 [Member] | Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 0 0 4
Significant unobservable inputs Level 3 [Member] | Commingled Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 33 46 44
Significant unobservable inputs Level 3 [Member] | Insurance Contracts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets 23 24 23
Significant unobservable inputs Level 3 [Member] | Other Assets [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets $ 53 $ 63 $ 69