Restructuring and Asset Impairment Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Asset impairment charges					$ 21	$ 10	$ 2
Asset impairment					18	0	$ 0
Measurement & Control Solutions
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	$ 11	$ 10	$ 7	$ 3
2016 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs					51
Incurred restructuring costs					$ 1	$ 50
2020 Restructuring Plan | Measurement & Control Solutions
Restructuring Cost and Reserve [Line Items]
Asset impairment		$ 17