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INCOME TAXES
3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES
Income Tax Expense
Income tax expense was $113 million and $114 million for the three months ended March 31, 2018 and 2017, respectively, resulting in effective tax rates of 22.5% and 26.4%, respectively.
For the three months ended March 31, 2018, the effective tax rate of 22.5% was higher than the statutory rate of 21% primarily as a result of state taxes, partially offset by permanent benefits from tax credits and tax-exempt income.
Deferred Tax Liability
At March 31, 2018, the Company reported a net deferred tax liability of $475 million, compared to $571 million as of December 31, 2017. The decrease in the net deferred tax liability was primarily attributable to the tax effect of net unrealized losses on securities and derivatives.