Quarterly report pursuant to Section 13 or 15(d)

Investments, Available-for-Sale Debt Investments (Detail)

v3.10.0.1
Investments, Available-for-Sale Debt Investments (Detail) - USD ($)
$ in Millions
Sep. 29, 2018
Dec. 30, 2017
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost $ 7,234 $ 6,642
Gross Unrealized Gains 5 7
Gross Unrealized Losses 61 28
Fair Value 7,178 6,621
Due in 1 year or less 3,138  
Due in 1–2 years 782  
Due in 2–5 years 2,662  
Due after 5 years 118  
Instruments not due at a single maturity date 478  
Corporate Debt Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 2,647 2,294
Gross Unrealized Gains 2 4
Gross Unrealized Losses 29 13
Fair Value 2,620 2,285
Fixed Income Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 3,647 3,387
Gross Unrealized Gains 3 3
Gross Unrealized Losses 18 9
Fair Value 3,632 3,381
Government Debt [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 940 961
Gross Unrealized Gains 0 0
Gross Unrealized Losses 14 6
Fair Value $ 926 $ 955