Income Taxes |
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Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Income Taxes | Income Taxes The consolidated income tax expense consists of the following for the years ended December 31 ($ in millions):
The reconciliation of the tax provision at the U.S. federal statutory rate to income tax expense for the years ended December 31 is as follows ($ in millions):
The tax effects of temporary differences which give rise to deferred tax assets and liabilities are presented below for the years ended December 31 ($ in millions):
The Company adopted an ASU that introduces a lessee model that requires the majority of leases to be recognized on the balance sheet, which resulted in a right of use asset and operating lease liability for GAAP purposes. With limited exceptions these items have no tax basis, therefore both deferred tax assets and deferred tax liabilities have been grossed up in 2019 to reflect the underlying GAAP change.
Valuation allowances are provided when it is considered more likely than not that deferred tax assets will not be realized. The valuation allowances primarily relate to future tax benefits on certain federal, state and foreign net operating loss and tax credit carryforwards. The $13 million increase in valuation allowance relates to tax losses in international jurisdictions.
Federal net operating loss carryforwards of $13 million expire beginning in 2021 through 2038; state net operating loss and tax credit carryforwards of $48 million expire beginning in 2020 through 2039. Substantially all of the non-U.S. tax loss carryforwards have indefinite carryforward periods.
The Company maintains a reserve for uncertain tax positions that may be challenged by a tax authority. A rollforward of the beginning and ending amount of uncertain tax positions, exclusive of related interest and penalties, is as follows:
Uncertain tax positions increased $28 million due to various federal positions. As of December 31, 2019, $258 million of unrecognized tax benefits would impact the Company's effective tax rate in future periods, if recognized. The Company believes it is reasonably possible that its liability for unrecognized tax benefits will decrease in the next twelve months by $71 million as a result of the expiration of statutes of limitations and projected audit settlements in certain jurisdictions.
The table above excludes interest, net of related tax benefits, which is treated as income tax expense (benefit) under the Company's accounting policy. The Company recognized net interest expense related to uncertain positions of $2 million and $5 million for the years ended December 31, 2019 and 2018, respectively. The Company had $16 million and $14 million of accrued interest and penalties for uncertain tax positions as of December 31, 2019 and 2018, respectively.
The Company files tax returns for federal as well as numerous state and international tax jurisdictions. As of December 31, 2019, Health Net is under federal examination for tax years 2014 through its final return in 2016. Additionally, Centene's tax returns are under federal examination for tax years 2014 through 2017.
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