v3.8.0.1

Income Taxes - Tax Effects Of Temporary Differences Which Give Rise To Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Medical claims liability | $ 46 | $ 66
Nondeductible liabilities | 41 | 39
Net operating loss and tax credit carryforwards | 94 | 101
Compensation accruals | 129 | 156
Premium and trade receivables | 45 | 79
Other | 11 | 14
Deferred tax assets | 366 | 455
Valuation allowance | (81) | (86)
Net deferred tax assets | 285 | 369
Intangible assets | 342 | 577
Prepaid assets | 23 | 17
Fixed assets | 84 | 65
Investments in joint ventures | 20 | 11
Deferred revenue | 26 | 0
Other | 17 | 2
Deferred tax liabilities | 512 | 672
Deferred tax liabilities, net | $ (227) | $ (303)

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