Quarterly report pursuant to Section 13 or 15(d)

Investments (Details)

v3.21.2
Investments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 02, 2021
Jun. 26, 2020
Jul. 02, 2021
Jun. 26, 2020
Dec. 31, 2020
Equity securities, by type          
Equity Securities, FV-NI $ 2,772   $ 2,772   $ 2,374
Equity Securities without Readily Determinable Fair Value, Amount 47   47   50
Equity Securities, FV-NI, Gain (Loss) 202 $ 242 357 $ (154)  
Equity Securities, FV-NI, Realized Gain (Loss) 5 13 19 (31)  
Equity Securities, FV-NI, Unrealized Gain 197 229 338    
Equity Securities, FV-NI, Unrealized Loss       123  
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 1,730   1,730   2,263
Debt securities, gross unrealized gain 33   33   53
Debt securities, gross unrealized loss 88   88   13
Debt Securities 1,675   1,675   2,303
Trading Securities [Member]          
Equity securities, by type          
Debt Securities 39   39   38
Debt Securities [Member]          
Equity securities, by type          
Trading Securities, Equity, Cost 38   38   36
Trading Securities, Unrealized Holding Gain     1   2
Trading Securities, Unrealized Holding Loss     0   0
Debt Securities, Trading, and Equity Securities, FV-NI 39   39   38
Available-for-sale Securities, Debt Securities 1,692   1,692   2,227
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 32   32   51
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 88   88   13
Available-for-sale Securities Fair Value 1,636   1,636   2,265
Available-for-sale Securities, Gross Realized Gains 1 9 2 17  
Available-for-sale Securities, Gross Realized Losses 4 6 8 8  
Proceeds from Sale of Available-for-sale Securities 809 $ 280 967 $ 1,186  
Available-for-sale Securities [Member]          
Equity securities, by type          
Debt Securities 1,636   1,636   2,265
Marketable Securities [Member]          
Equity securities, by type          
Equity Securities, FV-NI 362   362   330
Equity Securities without Readily Determinable Fair Value, Amount 0   0   0
Marketable Securities [Member] | Trading Securities [Member]          
Equity securities, by type          
Debt Securities 39   39   38
Marketable Securities [Member] | Available-for-sale Securities [Member]          
Equity securities, by type          
Debt Securities 1,374   1,374   1,980
Other Investments [Member]          
Equity securities, by type          
Equity Securities, FV-NI 897   897   762
Equity Securities without Readily Determinable Fair Value, Amount 47   47   50
Other Assets          
Equity securities, by type          
Equity Securities, FV-NI 1,513   1,513   1,282
Equity Securities without Readily Determinable Fair Value, Amount 0   0   0
Other Assets | Trading Securities [Member]          
Equity securities, by type          
Debt Securities 0   0   0
Other Assets | Available-for-sale Securities [Member]          
Equity securities, by type          
Debt Securities 262   262   285
Cash and Cash Equivalents [Member] | Trading Securities [Member]          
Equity securities, by type          
Debt Securities 0   0   0
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]          
Equity securities, by type          
Debt Securities $ 0   $ 0   $ 0