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ACQUISITIONS AND DIVESTITURES - Narrative (Details) $ in Millions, £ in Billions						6 Months Ended
	Jun. 06, 2025 USD ($)	Sep. 30, 2024 USD ($)	Aug. 30, 2024 USD ($)	Aug. 19, 2024 USD ($)	Jun. 03, 2024 USD ($)	Jun. 30, 2026 GBP (£)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Goodwill							$ 23,804	$ 21,825
Johnson Matthey's Catalyst Technologies Business Segment \| Forecast
Business Combination [Line Items]
Payments to acquire businesses, gross \| £						£ 1.8
Sundyne
Business Combination [Line Items]
Percentage acquired	100.00%
Consideration amount	$ 2,152
Goodwill							1,296
Sundyne \| Minimum
Business Combination [Line Items]
Intangible asset, useful life	1 year
Sundyne \| Maximum
Business Combination [Line Items]
Intangible asset, useful life	15 years
Air Products' Liquified Natural Gas Process Technology And Equipment Business (LNG)
Business Combination [Line Items]
Percentage acquired		100.00%
Consideration amount		$ 1,843
Goodwill							885
Air Products' Liquified Natural Gas Process Technology And Equipment Business (LNG) \| Minimum
Business Combination [Line Items]
Intangible asset, useful life		4 years
Air Products' Liquified Natural Gas Process Technology And Equipment Business (LNG) \| Maximum
Business Combination [Line Items]
Intangible asset, useful life		20 years
CAES Systems Holdings LLC
Business Combination [Line Items]
Percentage acquired			100.00%
Consideration amount			$ 1,935
Goodwill							553
CAES Systems Holdings LLC \| Minimum
Business Combination [Line Items]
Intangible asset, useful life			2 years
CAES Systems Holdings LLC \| Maximum
Business Combination [Line Items]
Intangible asset, useful life			15 years
Civitanavi Systems S.p.A.
Business Combination [Line Items]
Consideration amount				$ 200
Intangible assets acquired							75
Goodwill							107
Carrier Global Corporation's Global Access Solutions Business
Business Combination [Line Items]
Percentage acquired					100.00%
Consideration amount					$ 4,913
Goodwill							$ 2,924
Carrier Global Corporation's Global Access Solutions Business \| Minimum
Business Combination [Line Items]
Intangible asset, useful life					10 years
Carrier Global Corporation's Global Access Solutions Business \| Maximum
Business Combination [Line Items]
Intangible asset, useful life					20 years