Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 5)

v3.3.0.814
Investments (Details 5) - USD ($)
$ in Millions
Oct. 02, 2015
Dec. 31, 2014
Investments [Abstracts]    
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis $ 1,516  
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 1,516  
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis 1,694  
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value 1,721  
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis 117  
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value 129  
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis 288  
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 299  
Available-for-sale Securities, Amortized Cost Basis 7,201 $ 6,483
Cost Method Investments [Abstract]    
Cost-method Investments, Aggregate Carrying Amount 191 166
Held-to-maturity securities, by type    
Available-for-sale Securities Fair Value 6,586 7,879
Equity Securities [Member]    
Investments [Abstracts]    
Available-for-sale Securities, Amortized Cost Basis 3,586 2,687
Held-to-maturity securities, by type    
Available-for-sale Securities Fair Value $ 2,921 $ 4,121