Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 2)

v3.10.0.1
Investments (Details 2) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 28, 2018
Sep. 29, 2017
Sep. 28, 2018
Sep. 29, 2017
Dec. 31, 2017
Equity securities, by type          
Equity Securities, FV-NI, Gain (Loss) $ 62   $ 21    
Equity Securities, FV-NI, Realized Gain (Loss) 5   13    
Equity Securities, FV-NI, Unrealized Gain 57   8    
Equity Securities, FV-NI 2,248   2,248    
Securities Owned Not Readily Marketable 85   85    
Equity securities, cost         $ 1,600
Equity securities, gross unrealized gain         760
Equity securities, gross unrealized loss         70
Equity Securities         2,290
Debt Securities [Member]          
Equity securities, by type          
Trading Securities, Unrealized Holding Gain     0   0
Trading Securities, Unrealized Holding Loss     0   0
Debt Securities, Trading, and Equity Securities, FV-NI 40   40   12
Available-for-sale Securities Fair Value 5,809   5,809   5,912
Available-for-sale Securities, Gross Realized Gains 11 $ 1 19 $ 6  
Available-for-sale Securities, Gross Realized Losses 8 3 21 9  
Proceeds from Sale of Available-for-sale Securities 3,421 4,161 9,744 10,571  
Equity Securities          
Equity securities, by type          
Trading Securities, Cost         324
Trading Securities, Unrealized Holding Gain         75
Trading Securities, Unrealized Holding Loss         4
Debt Securities, Trading, and Equity Securities, FV-NI         395
Available-for-sale Securities, Amortized Cost Basis         1,276
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax         685
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax         66
Available-for-sale Securities Fair Value         1,895
Available-for-sale Securities, Gross Realized Gains   10   45  
Available-for-sale Securities, Gross Realized Losses   4   12  
Proceeds from Sale of Available-for-sale Securities   $ 49   $ 189  
Marketable Securities [Member]          
Equity securities, by type          
Equity Securities, FV-NI 306   306    
Securities Owned Not Readily Marketable 0   0    
Debt Securities, Trading, and Equity Securities, FV-NI         283
Available-for-sale Securities Fair Value         52
Other Investments [Member]          
Equity securities, by type          
Equity Securities, FV-NI 966   966    
Securities Owned Not Readily Marketable 85   85    
Debt Securities, Trading, and Equity Securities, FV-NI         0
Available-for-sale Securities Fair Value         953
Other Assets          
Equity securities, by type          
Equity Securities, FV-NI 976   976    
Securities Owned Not Readily Marketable $ 0   $ 0    
Debt Securities, Trading, and Equity Securities, FV-NI         112
Available-for-sale Securities Fair Value         $ 890