Federal Income Taxes	6 Months Ended
Jun. 30, 2021
Federal Income Taxes [Abstract]
Federal Income Taxes	6. Federal Income Taxes The effective tax rate is the ratio of tax expense (benefit) over pre-tax income (loss). The effective tax rate was 17% and 16% for the three and six months ended June 30, 2021, respectively, compared to 42% and 67%, respectively, for the corresponding periods in 2020. The effective tax rate on pre-tax income is typically lower than the prevailing corporate federal income tax rate of 21% due to benefits from preferential tax items including the separate accounts dividends-received deduction and tax credits. For the three and six months ended June 30, 2020, the effective tax rate differed from the prevailing corporate federal income tax rate of 21% primarily due to a tax benefit at 21% from pre-tax losses in addition to the effects of preferential tax items.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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