GOODWILL AND INTANGIBLE ASSETS - Other Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross	$ 97	$ 83
Accumulated Amortization	33	25
Net	64	58
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Gross	21	21
Accumulated Amortization	11	7
Net	10	14
Acquired relationships
Finite-Lived Intangible Assets [Line Items]
Gross	53	38
Accumulated Amortization	14	10
Net	$ 39	28
Naming Rights
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Gross	$ 10	11
Accumulated Amortization	3	2
Net	7	9
Other
Finite-Lived Intangible Assets [Line Items]
Gross	13	13
Accumulated Amortization	5	6
Net	$ 8	$ 7
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years
Minimum | Acquired relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	2 years
Minimum | Other
Finite-Lived Intangible Assets [Line Items]
Useful life	2 years
Maximum | Acquired technology
Finite-Lived Intangible Assets [Line Items]
Useful life	7 years
Maximum | Acquired relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	15 years
Maximum | Other
Finite-Lived Intangible Assets [Line Items]
Useful life	7 years