Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 3)

v3.19.3
Investments (Details 3) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 27, 2019
Sep. 28, 2018
Sep. 27, 2019
Sep. 28, 2018
Dec. 31, 2018
Debt securities, by type          
Available-for-sale Securities, Amortized Cost Basis $ 3,445   $ 3,445    
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 3,490   3,490   $ 4,946
Debt securities, gross unrealized gain 151   151   119
Debt securities, gross unrealized loss 2   2   28
Debt Securities 3,639   3,639   5,037
Equity Securities [Member]          
Debt securities, by type          
Available-for-sale Securities, Gross Realized Gains 9 $ 11 37 $ 19  
Trading Securities, Equity, Cost 45   45   45
Trading Securities, Unrealized Holding Gain     1   0
Trading Securities, Unrealized Holding Loss     0   1
Debt Securities, Trading, and Equity Securities, FV-NI 46   46   44
Available-for-sale Securities, Debt Securities 3,445   3,445   4,901
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 150   150   119
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 2   2   27
Available-for-sale Securities Fair Value 3,593   3,593   4,993
Available-for-sale Securities, Gross Realized Losses 1 8 5 21  
Proceeds from Sale of Available-for-sale Securities 1,284 $ 3,421 3,074 $ 9,744  
Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 3,593   3,593   4,993
Trading Securities [Member]          
Debt securities, by type          
Debt Securities 46   46   44
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 155   155   0
Cash and Cash Equivalents [Member] | Trading Securities [Member]          
Debt securities, by type          
Debt Securities 0   0   0
Marketable Securities [Member] | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 3,100   3,100   4,691
Marketable Securities [Member] | Trading Securities [Member]          
Debt securities, by type          
Debt Securities 46   46   44
Other Assets | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 338   338   302
Other Assets | Trading Securities [Member]          
Debt securities, by type          
Debt Securities $ 0   $ 0   $ 0