Quarterly report pursuant to Section 13 or 15(d)

Investments, Trading Assets (Detail)

v3.21.2
Investments, Trading Assets (Detail) - Debt Securities [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 25, 2021
Sep. 26, 2020
Schedule Of Trading Securities And Other Trading Assets [Line Items]        
Debt Securities, Trading, Unrealized Gain (Loss) $ (144) $ 205 $ (329) $ 347
Unrealized Gain (Loss) on Derivatives $ 156 $ (163) $ 346 $ (334)