GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 15,501
Acquisitions	10
Reclassified to held for sale	(13)
Foreign currency translation	(231)
Ending balance	15,267
Climate Solutions Americas \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	5,075
Acquisitions	10
Reclassified to held for sale	(10)
Foreign currency translation	(4)
Ending balance	5,071
Climate Solutions Europe \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	7,808
Acquisitions	0
Reclassified to held for sale	(3)
Foreign currency translation	(219)
Ending balance	7,586
Climate Solutions Asia Pacific, Middle East & Africa \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	1,410
Acquisitions	0
Reclassified to held for sale	0
Foreign currency translation	2
Ending balance	1,412
Climate Solutions Transportation \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	1,208
Acquisitions	0
Reclassified to held for sale	0
Foreign currency translation	(10)
Ending balance	$ 1,198

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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