ACQUISITIONS AND DIVESTITURES OF BUSINESSES - Narrative (Details) - USD ($) $ in Millions									1 Months Ended	7 Months Ended	9 Months Ended	12 Months Ended
	Jan. 05, 2022	Aug. 02, 2021	Jun. 01, 2021	Mar. 22, 2021	Mar. 17, 2021	Mar. 02, 2020	Dec. 20, 2019	Apr. 15, 2019	Jul. 31, 2019	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 25, 2021	Mar. 29, 2021
Business Acquisition [Line Items]
Cash purchase price, net of cash received												$ 4,500	$ 200	$ 1,180
Contingent consideration										$ 57	$ 57	57
Automotive Fluid Conveyance Business
Business Acquisition [Line Items]
Pre-tax gain (loss) on disposal														(66)
Lighting Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Pre-tax gain (loss) on disposal						$ 221
Cash purchase price, net of cash sold						$ 1,400
Sales of business sold														1,600
Hydraulics Business | Held-for-sale
Business Acquisition [Line Items]
Cash purchase price, net of cash sold		$ 3,100
Sales of business sold												1,300	1,800
Hydraulics Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Pre-tax gain (loss) on disposal		$ 617
Ulusoy Elektrik
Business Acquisition [Line Items]
Ownership interest acquired (as a percent)								82.275%	93.70%
Cash purchase price								$ 214
Additional consideration transferred									$ 33
Souriau-Sunbank
Business Acquisition [Line Items]
Cash purchase price, net of cash received							$ 907
Other intangible assets							370
Revenue of acquiree since acquisition date													$ 287	$ 3
Souriau-Sunbank | Customer relationships
Business Acquisition [Line Items]
Other intangible assets							$ 250
Useful life of intangible assets acquired							20 years
Souriau-Sunbank | Technology intangible assets
Business Acquisition [Line Items]
Other intangible assets							$ 95
Useful life of intangible assets acquired							15 years
Tripp Lite
Business Acquisition [Line Items]
Cash purchase price, net of cash received					$ 1,650
Other intangible assets					630					604	604	604
Revenue of acquiree since acquisition date											419
Operating profit of acquiree since acquisition date											139
Tripp Lite | Customer relationships
Business Acquisition [Line Items]
Other intangible assets					$ 539
Useful life of intangible assets acquired					20 years
Tripp Lite | Technology intangible assets
Business Acquisition [Line Items]
Other intangible assets					$ 32
Useful life of intangible assets acquired					5 years
Tripp Lite | Trademarks
Business Acquisition [Line Items]
Other intangible assets					$ 33
Useful life of intangible assets acquired					15 years
Green Motion, SA
Business Acquisition [Line Items]
Cash purchase price				$ 49
Cash purchase price, net of cash received				106
Contingent consideration				57
Contingent consideration, range of outcomes, high				$ 109
HuanYu High Tech
Business Acquisition [Line Items]
Ownership interest acquired (as a percent)																50.00%
CMS
Business Acquisition [Line Items]
Other intangible assets			$ 1,575							1,575	$ 1,575	$ 1,575
Revenue of acquiree since acquisition date										450
Operating profit of acquiree since acquisition date										$ 128
Cash purchase price, net of cash received			2,800
Goodwill, expected tax deductible amount			$ 295
Jiangsu YiNeng Electric's busway business
Business Acquisition [Line Items]
Ownership interest acquired (as a percent)															50.00%
Royal Power Solutions | Subsequent Event
Business Acquisition [Line Items]
Cash purchase price, net of cash received	$ 600