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 6 Months Ended 12 Months Ended
Jun. 29, 2018
Jun. 30, 2017
Jun. 29, 2018
Jun. 30, 2017
Dec. 31, 2017
Equity securities, by type          
Net gains (losses) recognized during the period on equity securities $ 38   $ (41)    
Gain (Loss) on Sale of Equity Investments (1)   4    
Unrealized Gain (Loss) on Securities 39   (45)    
Equity securities with changes in fair value recognized in income 2,299   2,299    
Securities Owned Not Readily Marketable 91   91    
Available-for-sale Securities Fair Value 6,273   6,273    
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
Trading Securities 38   38   12
Available-for-sale Securities Fair Value 6,273   6,273   5,912
Available-for-sale Securities, Gross Realized Gains 8 $ 1 8 $ 5  
Available-for-sale Securities, Gross Realized Losses (8) (2) (13) (6)  
Proceeds from Sale of Available-for-sale Securities 3,236 3,398 6,323 6,410  
Trading Securities [Member]          
Equity securities, by type          
Equity Securities         395
Equity Securities          
Equity securities, by type          
Trading Securities, Cost         324
Trading Securities, Unrealized Holding Gain         75
Trading Securities, Unrealized Holding Loss         (4)
Trading Securities         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   13   35  
Available-for-sale Securities, Gross Realized Losses   (5)   (8)  
Proceeds from Sale of Available-for-sale Securities   $ 58   $ 140  
Available-for-sale Securities [Member]          
Equity securities, by type          
Equity Securities         1,895
Marketable Securities [Member]          
Equity securities, by type          
Equity securities with changes in fair value recognized in income 341   341    
Securities Owned Not Readily Marketable 0   0    
Marketable Securities [Member] | Trading Securities [Member]          
Equity securities, by type          
Equity Securities         283
Marketable Securities [Member] | Available-for-sale Securities [Member]          
Equity securities, by type          
Equity Securities         52
Other Investments [Member]          
Equity securities, by type          
Equity securities with changes in fair value recognized in income 924   924    
Securities Owned Not Readily Marketable 91   91    
Other Investments [Member] | Trading Securities [Member]          
Equity securities, by type          
Equity Securities         0
Other Investments [Member] | Available-for-sale Securities [Member]          
Equity securities, by type          
Equity Securities         953
Other Assets          
Equity securities, by type          
Equity securities with changes in fair value recognized in income 1,034   1,034    
Securities Owned Not Readily Marketable $ 0   $ 0    
Other Assets | Trading Securities [Member]          
Equity securities, by type          
Equity Securities         112
Other Assets | Available-for-sale Securities [Member]          
Equity securities, by type          
Equity Securities         $ 890