Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 4)

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Investments (Details 4) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2017
Sep. 30, 2016
Sep. 29, 2017
Sep. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Available-for-sale and held-to-maturity securities by balance sheet line item            
Cash and cash equivalents $ 12,528 $ 11,147 $ 12,528 $ 11,147 $ 8,555 $ 7,309
Marketable securities 5,138   5,138   4,051  
Other investments 1,117   1,117   989  
Other assets 4,480   4,480   4,248  
Available-for-sale Securities Fair Value 8,591   8,591   6,413  
Proceeds from Sale of Available-for-sale Securities 4,210 2,072 10,760 8,889    
Available-for-sale Securities Gross Gains 11 21 51 131    
Available-for-sale Securities Gross Losses (7) $ (6) (21) $ (42)    
Available-for-sale Securities [Member]            
Available-for-sale and held-to-maturity securities by balance sheet line item            
Cash and cash equivalents 1,682   1,682   682  
Marketable securities 4,820   4,820   3,769  
Other investments 971   971   849  
Other assets 1,118   1,118   1,113  
Available-for-sale Securities Fair Value 8,591   8,591   6,413  
Solvency capital $ 1,112   $ 1,112   $ 985