Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Investments, Available-for-Sale Debt Investments (Detail) - USD ($)
$ in Millions
Sep. 28, 2019
Dec. 29, 2018
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost $ 7,102 $ 7,213
Gross Unrealized Gains 67 6
Gross Unrealized Losses (2) (48)
Fair Value 7,167 7,171
Due in 1 year or less 2,638  
Due in 1–2 years 794  
Due in 2–5 years 2,509  
Due after 5 years 125  
Instruments not due at a single maturity date 1,101  
Corporate Debt Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 3,012 3,068
Gross Unrealized Gains 46 2
Gross Unrealized Losses (1) (28)
Fair Value 3,057 3,042
Fixed Income Securities [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 3,347 3,076
Gross Unrealized Gains 16 3
Gross Unrealized Losses (1) (11)
Fair Value 3,362 3,068
Government Debt [Member]    
Debt Securities, Available-for-sale [Line Items]    
Adjusted Cost 743 1,069
Gross Unrealized Gains 5 1
Gross Unrealized Losses 0 (9)
Fair Value $ 748 $ 1,061