GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) reporting_unit	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Intangible Assets Disclosure [Line Items]
Number of reporting units | reporting_unit	3
Trade names	$ 595	$ 612
Amortization expense for intangible assets	303	321	$ 291
Trade Names
Intangible Assets Disclosure [Line Items]
Intangible asset impairment charge	$ 6	$ 14
Useful life (in years)	5 years
Order or Production Backlog
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	7 years
Customer Relationships
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	14 years
Technology-Based Intangible Assets
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	6 years
Valuation Technique, Discounted Cash Flow
Intangible Assets Disclosure [Line Items]
Goodwill impairment test, weight of approach	0.75
Valuation, Market Approach
Intangible Assets Disclosure [Line Items]
Goodwill impairment test, weight of approach	0.25
Freight Segment
Intangible Assets Disclosure [Line Items]
Number of reporting units | reporting_unit	2