Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 3)

v3.20.1
Investments (Details 3) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Dec. 31, 2019
Debt securities, by type      
Available-for-sale Securities, Amortized Cost Basis $ 2,365    
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 2,398   $ 3,218
Debt securities, gross unrealized gain 98   114
Debt securities, gross unrealized loss 6   4
Debt Securities 2,490   3,328
Equity Securities [Member]      
Debt securities, by type      
Available-for-sale Securities, Gross Realized Gains 8 $ 5  
Trading Securities, Equity, Cost 33   46
Trading Securities, Unrealized Holding Gain 0   1
Trading Securities, Unrealized Holding Loss (2)   0
Debt Securities, Trading, and Equity Securities, FV-NI 31   47
Available-for-sale Securities, Debt Securities 2,365   3,172
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 98   113
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 4   4
Available-for-sale Securities Fair Value 2,459   3,281
Available-for-sale Securities, Gross Realized Losses 2 3  
Proceeds from Sale of Available-for-sale Securities 906 $ 722  
Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 2,459   3,281
Trading Securities [Member]      
Debt securities, by type      
Debt Securities 31   47
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 97   123
Cash and Cash Equivalents [Member] | Trading Securities [Member]      
Debt securities, by type      
Debt Securities 0   0
Marketable Securities [Member] | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 2,086   2,852
Marketable Securities [Member] | Trading Securities [Member]      
Debt securities, by type      
Debt Securities 31   47
Other Assets | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 276   306
Other Assets | Trading Securities [Member]      
Debt securities, by type      
Debt Securities $ 0   $ 0