Divestitures and Investments in Unconsolidated Entities Investment in TAF Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Business Acquisition [Line Items]
Net sales	$ 14,181	$ 13,770	$ 13,578
Tolaram Africa Foods (TAF) PTE LTD
Business Acquisition [Line Items]
Net sales	$ 721	$ 586
Equity method investment ownership percentage	50.00%
TAF Investment in Affiliated Food Manufacturer
Business Acquisition [Line Items]
Equity method investment ownership percentage	49.00%