Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 5)

v3.4.0.3
Investments (Details 5) - USD ($)
$ in Millions
Apr. 01, 2016
Dec. 31, 2015
Investments [Abstracts]    
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis $ 2,109  
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value 2,110  
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis 1,744  
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value 1,790  
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis 122  
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value 133  
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis 300  
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 311  
Available-for-sale Securities, Amortized Cost Basis 5,515 $ 8,166
Cost Method Investments [Abstract]    
Cost-method Investments, Aggregate Carrying Amount 184 190
Held-to-maturity securities, by type    
Available-for-sale Securities Fair Value 6,018 8,606
Equity Securities [Member]    
Investments [Abstracts]    
Available-for-sale Securities, Amortized Cost Basis 1,240 3,573
Held-to-maturity securities, by type    
Available-for-sale Securities Fair Value $ 1,674 $ 3,974