Segment Information - Summary of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Operating revenue	$ 3,475	$ 3,307	$ 2,564	$ 3,228	$ 3,469	$ 3,479	$ 3,609	$ 3,552	$ 12,574	$ 14,109	$ 14,768
Operating income	883	$ 789	$ 449	$ 761	824	$ 868	$ 871	$ 839	2,882	3,402	3,584
Depreciation and amortization and impairment of intangible assets									427	426	461
Plant and equipment additions									236	326	364
Identifiable assets	15,612				15,068				15,612	15,068	14,870
Operating segments
Segment Reporting Information [Line Items]
Operating income									2,937	3,468	3,625
Identifiable assets	10,953				11,261				10,953	11,261	11,335
Operating segments | Automotive OEM
Segment Reporting Information [Line Items]
Operating revenue									2,571	3,063	3,338
Operating income									457	659	751
Depreciation and amortization and impairment of intangible assets									131	125	123
Plant and equipment additions									79	134	184
Identifiable assets	2,302				2,417				2,302	2,417	2,388
Operating segments | Food Equipment
Segment Reporting Information [Line Items]
Operating revenue									1,739	2,188	2,214
Operating income									342	578	572
Depreciation and amortization and impairment of intangible assets									41	41	44
Plant and equipment additions									34	35	28
Identifiable assets	983				1,042				983	1,042	1,019
Operating segments | Test & Measurement and Electronics
Segment Reporting Information [Line Items]
Operating revenue									1,963	2,121	2,171
Operating income									507	542	523
Depreciation and amortization and impairment of intangible assets									75	69	88
Plant and equipment additions									23	26	31
Identifiable assets	2,239				2,374				2,239	2,374	2,343
Operating segments | Welding
Segment Reporting Information [Line Items]
Operating revenue									1,384	1,638	1,691
Operating income									376	453	474
Depreciation and amortization and impairment of intangible assets									24	26	27
Plant and equipment additions									27	28	23
Identifiable assets	700				734				700	734	789
Operating segments | Polymers & Fluids
Segment Reporting Information [Line Items]
Operating revenue									1,622	1,669	1,724
Operating income									402	381	369
Depreciation and amortization and impairment of intangible assets									72	77	83
Plant and equipment additions									16	18	15
Identifiable assets	1,855				1,862				1,855	1,862	1,942
Operating segments | Construction Products
Segment Reporting Information [Line Items]
Operating revenue									1,652	1,625	1,700
Operating income									421	383	414
Depreciation and amortization and impairment of intangible assets									31	29	32
Plant and equipment additions									21	29	25
Identifiable assets	1,239				1,176				1,239	1,176	1,167
Operating segments | Specialty Products
Segment Reporting Information [Line Items]
Operating revenue									1,660	1,825	1,951
Operating income									432	472	522
Depreciation and amortization and impairment of intangible assets									53	59	64
Plant and equipment additions									36	56	58
Identifiable assets	1,635				1,656				1,635	1,656	1,687
Intersegment revenue
Segment Reporting Information [Line Items]
Operating revenue									(17)	(20)	(21)
Unallocated
Segment Reporting Information [Line Items]
Operating income									(55)	(66)	(41)
Corporate
Segment Reporting Information [Line Items]
Identifiable assets	$ 4,659				$ 3,807				$ 4,659	$ 3,807	$ 3,535