NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impairment of Goodwill, Intangibles, and Other Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Real Estate Properties [Line Items]
Goodwill impairment	$ 0	$ 0	$ 2,615,000,000
Impairment charge	$ 0	$ 0
Customer relationships
Real Estate Properties [Line Items]
Impairment charge			1,218,000,000
Other definite-lived intangible assets, net
Real Estate Properties [Line Items]
Impairment charge			$ 431,000,000