INTANGIBLES - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Intangible Assets Disclosure [Line Items]
Trade names	$ 635	$ 651
Intangible assets, amortization expense	$ 287	$ 282	$ 238
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
Trade names
Intangible Assets Disclosure [Line Items]
Useful life (in years)	5 years
Backlog
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	10 years
Intellectual property
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	11 years
Customer relationships
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	17 years
Other intangible assets
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	9 years