XML 92 R76.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes (Reconciliation of Income Tax Provision) (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Taxes      
U.S. statutory rate applied to income before income taxes 21.00% 21.00% 21.00%
State income taxes, net of federal tax benefit 2.30% 2.50% 3.70%
Routine tax incentives (4.30%) (3.50%) (5.40%)
Net tax cost on foreign income 2.70% 1.50% 1.60%
Net impact of the Tax Act 0.00% 0.00% 6.40%
Valuation allowance 0.70% 1.00% 1.60%
Nonrecurring capital loss 0.00% (1.80%) 0.00%
Other - net [1] 0.70% 1.00% (2.90%)
Effective income tax rate 23.10% 21.70% 26.00%
[1] Other - net is composed of numerous items, none of which is greater than 1.05 percent of income before income taxes.