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v3.19.1

Assets/Liabilities Held for Sale (Details) - Customer Care Contracts [Member] - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Additional Pre-tax loss on disposal and adjustment to final sales price | $ 12 |
Divestiture revenue | $ 36 | $ 439

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Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Period Type: |