Income Taxes - Current and Deferred Income Tax Expense For Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jan. 02, 2021	Oct. 03, 2020	Jul. 04, 2020	Apr. 04, 2020	Jan. 04, 2020	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Jan. 02, 2021	Jan. 04, 2020	Dec. 29, 2018
Current expense (benefit):
Federal									$ (1)	$ (48)	$ 3
State									(76)	16	9
Non-U.S.									57	70	101
Current income tax expense, total									(20)	38	113
Deferred expense (benefit):
Federal									3	112	60
State									5	(20)	(5)
Non-U.S.									(15)	(3)	(6)
Deferred income tax expense, total									(7)	89	49
Income tax expense (benefit)	$ (21)	$ 1	$ (26)	$ 19	$ 11	$ 21	$ 62	$ 33	$ (27)	$ 127	$ 162