PROPERTY, EQUIPMENT AND SOFTWARE, NET (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 245	$ 209
Less: Accumulated depreciation	(160)	(130)
Property and equipment, net	85	79
Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	174	144
Office equipment, including data processing equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	27	27
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	24	21
Furniture, fixtures, and equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	17	15
Projects in progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 3	$ 2

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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