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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate was 8.2 percent for the three months ended March 31, 2021, compared with 13.3 percent for the three months ended March 31, 2020. The effective tax rates for both periods were reduced by net discrete tax benefits, with a larger net discrete tax benefit reflected for the three months ended March 31, 2021. The U.S. examination of tax years 2016-2018 began in the fourth quarter of 2019 and remains ongoing; therefore, the resolution of this audit period will likely extend beyond the next 12 months.

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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