Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 3)

v3.20.2
Investments (Details 3) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 26, 2020
Jun. 28, 2019
Jun. 26, 2020
Jun. 28, 2019
Dec. 31, 2019
Debt securities, by type          
Available-for-sale Securities, Amortized Cost Basis $ 2,176   $ 2,176    
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 2,210   2,210   $ 3,218
Debt securities, gross unrealized gain 80   80   114
Debt securities, gross unrealized loss 3   3   4
Debt Securities 2,287   2,287   3,328
Equity Securities [Member]          
Debt securities, by type          
Available-for-sale Securities, Gross Realized Gains 9 $ 23 17 $ 28  
Trading Securities, Equity, Cost 34   34   46
Trading Securities, Unrealized Holding Gain     1   1
Trading Securities, Unrealized Holding Loss     (1)   0
Debt Securities, Trading, and Equity Securities, FV-NI 34   34   47
Available-for-sale Securities, Debt Securities 2,176   2,176   3,172
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 79   79   113
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 2   2   4
Available-for-sale Securities Fair Value 2,253   2,253   3,281
Available-for-sale Securities, Gross Realized Losses (6) (1) (8) (4)  
Proceeds from Sale of Available-for-sale Securities 280 $ 1,068 1,186 $ 1,790  
Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 2,253   2,253   3,281
Trading Securities [Member]          
Debt securities, by type          
Debt Securities 34   34   47
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 59   59   123
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 1,918   1,918   2,852
Marketable Securities [Member] | Trading Securities [Member]          
Debt securities, by type          
Debt Securities 34   34   47
Other Assets | Available-for-sale Securities [Member]          
Debt securities, by type          
Debt Securities 276   276   306
Other Assets | Trading Securities [Member]          
Debt securities, by type          
Debt Securities $ 0   $ 0   $ 0