Reorganization of Business - Net Charges Incurred by Business Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	$ 3	$ 7	$ 16	$ 17
Products and Systems Integration
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	6	6	17	14
Software and Services
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	$ (3)	$ 1	$ (1)	$ 3