Quarterly report pursuant to Section 13 or 15(d)

Investments (Details)

v3.21.1
Investments (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 02, 2021
Mar. 27, 2020
Dec. 31, 2020
Equity securities, by type      
Equity Securities, FV-NI $ 2,541   $ 2,374
Equity Securities without Readily Determinable Fair Value, Amount 51   50
Equity Securities, FV-NI, Gain (Loss) 155 $ (396)  
Equity Securities, FV-NI, Realized Gain (Loss) 14 (16)  
Equity Securities, FV-NI, Unrealized Gain 141    
Equity Securities, FV-NI, Unrealized Loss   380  
Debt Securities, Trading, and Equity Securities, FV-NI     2,374
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 2,217   2,263
Debt securities, gross unrealized gain 35   53
Debt securities, gross unrealized loss 85   13
Debt Securities 2,167   2,303
Trading Securities [Member]      
Equity securities, by type      
Debt Securities 39   38
Debt Securities [Member]      
Equity securities, by type      
Trading Securities, Equity, Cost 37   36
Trading Securities, Unrealized Holding Gain 2   2
Trading Securities, Unrealized Holding Loss 0   0
Debt Securities, Trading, and Equity Securities, FV-NI 39   38
Available-for-sale Securities, Debt Securities 2,180   2,227
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 33   51
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (85)   (13)
Available-for-sale Securities Fair Value 2,128   2,265
Available-for-sale Securities, Gross Realized Gains 1 8  
Available-for-sale Securities, Gross Realized Losses 4 2  
Proceeds from Sale of Available-for-sale Securities 158 $ 906  
Available-for-sale Securities [Member]      
Equity securities, by type      
Debt Securities 2,128   2,265
Marketable Securities [Member]      
Equity securities, by type      
Equity Securities, FV-NI 345   330
Equity Securities without Readily Determinable Fair Value, Amount 0   0
Marketable Securities [Member] | Trading Securities [Member]      
Equity securities, by type      
Debt Securities 39   38
Marketable Securities [Member] | Available-for-sale Securities [Member]      
Equity securities, by type      
Debt Securities 1,850   1,980
Other Investments [Member]      
Equity securities, by type      
Equity Securities, FV-NI 755   762
Equity Securities without Readily Determinable Fair Value, Amount 51   50
Other Assets      
Equity securities, by type      
Equity Securities, FV-NI 1,441   1,282
Equity Securities without Readily Determinable Fair Value, Amount 0   0
Other Assets | Trading Securities [Member]      
Equity securities, by type      
Debt Securities 0   0
Other Assets | Available-for-sale Securities [Member]      
Equity securities, by type      
Debt Securities 278   285
Cash and Cash Equivalents [Member] | Trading Securities [Member]      
Equity securities, by type      
Debt Securities 0   0
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]      
Equity securities, by type      
Debt Securities $ 0   $ 0