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v3.8.0.1

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Significant components of deferred tax assets and liabilities |  |
Accrued expenses | $ 15 | $ 22
Reserve liabilities | 11 | 28
Other accrued medical costs | 16 | 5
Net operating losses | 27 | 13
Fixed assets and intangibles | 23 | 0
Unrealized losses | 2 | 1
Unearned premiums | 19 | 27
Lease financing obligation | 30 | 38
Deferred compensation | 1 | 6
Tax credit carryover | 15 | 7
Valuation allowance | (41) | (16)
Total deferred income tax assets, net of valuation allowance | 118 | 131
Prepaid expenses | (6) | (9)
Fixed assets and intangibles | 0 | (104)
Basis in debt | (9) | (23)
Total deferred income tax liabilities | (15) | (136)
Net deferred income tax asset (liability) | $ 103 |
Net deferred income tax asset (liability) |  | $ (5)

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