Operating Revenue - Summary of Operating Revenue by Product Category (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Operating Revenue	$ 3,469	$ 3,479	$ 3,609	$ 3,552	$ 3,580	$ 3,613	$ 3,831	$ 3,744	$ 14,109	$ 14,768	$ 14,314
Operating segments | Automotive OEM
Disaggregation of Revenue [Line Items]
Operating Revenue									3,063	3,338	3,271
Operating segments | Food Equipment
Disaggregation of Revenue [Line Items]
Operating Revenue									2,188	2,214	2,123
Operating segments | Test & Measurement and Electronics
Disaggregation of Revenue [Line Items]
Operating Revenue									2,121	2,171	2,069
Operating segments | Welding
Disaggregation of Revenue [Line Items]
Operating Revenue									1,638	1,691	1,538
Operating segments | Polymers & Fluids
Disaggregation of Revenue [Line Items]
Operating Revenue									1,669	1,724	1,724
Operating segments | Construction Products
Disaggregation of Revenue [Line Items]
Operating Revenue									1,625	1,700	1,672
Operating segments | Specialty Products
Disaggregation of Revenue [Line Items]
Operating Revenue									1,825	1,951	1,938
Intersegment revenue
Disaggregation of Revenue [Line Items]
Operating Revenue									$ (20)	$ (21)	$ (21)