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Property, Equipment and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Property, Equipment and Intangible Assets [Abstract] |
Property, Equipment and Intangible Assets |
﻿ |  |  |  |  |  |
﻿ |  | December 31,
﻿ |  | 2018 |  | 2017
﻿ |  |  |  |  |  |
﻿ |  | (in millions)
﻿Leasehold improvements |  | $ | 9 |  | $ | 7
﻿Computer equipment |  |  | 19 |  |  | 17
﻿Office furniture and equipment |  |  | 5 |  |  | 2
﻿ |  |  | 33 |  |  | 26
﻿Less - accumulated depreciation and amortization |  |  | (13) |  |  | (12)
﻿Property and equipment, net |  |  | 20 |  |  | 14
﻿ |  |  |  |  |  |
﻿Internally developed software |  |  | 61 |  |  | 52
﻿Intangible assets (acquired technology) |  |  | — |  |  | 8
﻿Less - accumulated amortization |  |  | (28) |  |  | (31)
﻿Intangible assets, net |  |  | 33 |  |  | 29
﻿Total property, equipment, and intangible assets, net |  | $ | 53 |  | $ | 43
﻿

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- Definition Tabular disclosure of property and equipment less accumulated depreciation. + References No definition available. + Details
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- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
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