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ACQUISITIONS AND DIVESTITURES OF BUSINESSES - Narrative (Details) - USD ($) $ in Millions |  |  |  |  |  |  |  |  | 1 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended |  |
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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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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