Derivative Instruments and Fair Value Measurements - Assets and Liabilities not Recorded at Fair Value (Details) - USD ($) $ in Millions	Oct. 03, 2020	Jan. 04, 2020
Manufacturing group | Carrying Value
Financial instruments not reflected at fair value
Debt, excluding leases	$ (4,042)	$ (3,097)
Manufacturing group | Estimated Fair value
Financial instruments not reflected at fair value
Debt, excluding leases	(4,294)	(3,249)
Finance group
Financial instruments not reflected at fair value
Debt, carrying value	(666)	(686)
Finance group | Carrying Value
Financial instruments not reflected at fair value
Finance receivables, excluding leases	501	493
Debt, carrying value	(666)	(686)
Finance group | Estimated Fair value
Financial instruments not reflected at fair value
Finance receivables, excluding leases	522	527
Debt, estimated fair value	$ (581)	$ (634)