Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 2)

v3.19.1
Investments (Details 2) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Dec. 31, 2018
Equity securities, by type      
Equity Securities, FV-NI, Gain (Loss) $ 147 $ (79)  
Equity Securities, FV-NI, Realized Gain (Loss) 7 3  
Equity Securities, FV-NI, Unrealized Gain 140 (82)  
Equity Securities, FV-NI 2,102   $ 1,934
Securities Owned Not Readily Marketable 80   80
Debt Securities [Member]      
Equity securities, by type      
Trading Securities, Unrealized Holding Gain 0   0
Trading Securities, Unrealized Holding Loss 0   1
Debt Securities, Trading, and Equity Securities, FV-NI 42   44
Available-for-sale Securities Fair Value 4,745   4,993
Available-for-sale Securities, Gross Realized Gains 5 0  
Available-for-sale Securities, Gross Realized Losses 3 5  
Proceeds from Sale of Available-for-sale Securities 722 $ 3,087  
Marketable Securities [Member]      
Equity securities, by type      
Equity Securities, FV-NI 302   278
Securities Owned Not Readily Marketable 0   0
Other Investments [Member]      
Equity securities, by type      
Equity Securities, FV-NI 835   787
Securities Owned Not Readily Marketable 80   80
Other Assets      
Equity securities, by type      
Equity Securities, FV-NI 965   869
Securities Owned Not Readily Marketable $ 0   $ 0