Quarterly report pursuant to Section 13 or 15(d)

Investments, Trading Assets (Detail)

v3.20.2
Investments, Trading Assets (Detail) - Debt Securities [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Schedule Of Trading Securities And Other Trading Assets [Line Items]        
Debt Securities, Trading, Unrealized Gain (Loss) $ 205 $ 21 $ 347 $ 75
Unrealized Gain (Loss) on Derivatives $ (163) $ 81 $ (334) $ (7)