Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Narrative (Details)

v3.21.2
Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 25, 2021
Sep. 25, 2021
Sep. 26, 2020
Dec. 26, 2020
Other Fair Value Disclosure [Line Items]        
Short-term investments $ 1,168 $ 1,168   $ 695
Equity Securities, FV-NI, Gain (Loss) 60 52 $ 1  
Equity Securities, FV-NI, Gain (Loss) 60 52 $ 1  
Common stock | Level 1        
Other Fair Value Disclosure [Line Items]        
Other Assets, Current $ 63 $ 63