Derivative Instruments and Fair Value Measurements - Assets and liabilities not recorded at fair value (Details) - USD ($) $ in Millions	Jun. 29, 2019	Dec. 29, 2018
Manufacturing group | Carrying Value
Financial instruments not reflected at fair value
Debt, excluding leases	$ (3,301)	$ (2,996)
Manufacturing group | Estimated Fair Value
Financial instruments not reflected at fair value
Debt, excluding leases	(3,414)	(2,971)
Finance group
Financial instruments not reflected at fair value
Debt	(703)	(718)
Finance group | Carrying Value
Financial instruments not reflected at fair value
Finance receivables, excluding leases	589	582
Debt	(703)	(718)
Finance group | Estimated Fair Value
Financial instruments not reflected at fair value
Finance receivables, excluding leases	615	584
Debt	$ (640)	$ (640)