GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 15,501
Acquisitions	10
Reclassified to held for sale	4
Foreign currency translation	(202)
Ending balance	15,313
Climate Solutions Americas \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	5,075
Acquisitions	10
Reclassified to held for sale	0
Foreign currency translation	(2)
Ending balance	5,083
Climate Solutions Europe \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	7,808
Acquisitions	0
Reclassified to held for sale	4
Foreign currency translation	(191)
Ending balance	7,621
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	(1)
Ending balance	1,409
Climate Solutions Transportation \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	1,208
Acquisitions	0
Reclassified to held for sale	0
Foreign currency translation	(8)
Ending balance	$ 1,200

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