Reorganization of Businesses - Net Charges Incurred by Business Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	$ 53	$ 36	$ 32
Products and Systems Integration
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	45	21	25
Software and Services
Restructuring Cost and Reserve [Line Items]
Reorganization of business charges	$ 8	$ 15	$ 7