Annual report pursuant to Section 13 and 15(d)

Investments, Available For Sale Investments (Detail)

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Investments, Available For Sale Investments (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Debt Securities, Available-for-sale [Line Items]      
Adjusted Cost $ 6,481 $ 7,213  
Gross Unrealized Gains 63 6  
Gross Unrealized Losses (1) (48)  
Fair Value 6,543 7,171  
Due in 1 year or less 2,203    
Due in 1–2 years 1,065    
Due in 2–5 years 2,171    
Due after 5 years 40    
Instruments not due at a single maturity date 1,064    
Equity method investments 37 1,624  
Debt Securities [Member]      
Debt Securities, Available-for-sale [Line Items]      
Trading Securities, Change in Unrealized Holding Gain (Loss) 26 (188) $ 414
Unrealized Gain (Loss) on Derivatives 22 163 $ (422)
Corporate debt      
Debt Securities, Available-for-sale [Line Items]      
Adjusted Cost 2,914 3,068  
Gross Unrealized Gains 44 2  
Gross Unrealized Losses 0 (28)  
Fair Value 2,958 3,042  
Financial institution instruments      
Debt Securities, Available-for-sale [Line Items]      
Adjusted Cost 3,007 3,076  
Gross Unrealized Gains 15 3  
Gross Unrealized Losses (1) (11)  
Fair Value 3,021 3,068  
Government debt      
Debt Securities, Available-for-sale [Line Items]      
Adjusted Cost 560 1,069  
Gross Unrealized Gains 4 1  
Gross Unrealized Losses 0 (9)  
Fair Value $ 564 $ 1,061