Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 3)

v3.10.0.1
Investments (Details 3) - 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
Debt securities, by type          
Available-for-sale Securities, Amortized Cost Basis $ 6,258   $ 6,258    
Available-for-sale Securities Fair Value 6,273   6,273    
Debt securities, cost 6,296   6,296   $ 5,794
Debt securities, gross unrealized gain 78   78   157
Debt securities, gross unrealized loss (63)   (63)   (27)
Debt securities 6,311   6,311   5,924
Equity Securities [Member]          
Debt securities, by type          
Available-for-sale Securities, Gross Realized Gains 8 $ 1 8 $ 5  
Trading Securities, Equity, Cost 38   38   12
Trading Securities, Unrealized Holding Gain     0   0
Trading Securities, Unrealized Holding Loss     0   0
Trading Securities 38   38   12
Available-for-sale Securities, Debt Securities 6,258   6,258   5,782
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax 78   78   157
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax (63)   (63)   (27)
Available-for-sale Securities Fair Value 6,273   6,273   5,912
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]          
Debt securities, by type          
Debt securities 38   38   12
Available-for-sale Securities [Member]          
Debt securities, by type          
Debt securities 6,273   6,273   5,912
Cash and Cash Equivalents [Member] | Trading Securities [Member]          
Debt securities, by type          
Debt securities 0   0   0
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt securities 829   829   667
Marketable Securities [Member] | Trading Securities [Member]          
Debt securities, by type          
Debt securities 38   38   12
Marketable Securities [Member] | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt securities 5,157   5,157   4,970
Other Assets | Trading Securities [Member]          
Debt securities, by type          
Debt securities 0   0   0
Other Assets | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt securities $ 287   $ 287   $ 275