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INCOME TAXES
 9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
The reconciliations of income tax expense with federal income taxes at the statutory rate are as follows (in millions of dollars):
 Three Months Ended September 30,Nine Months Ended September 30,
 2021202020212020
Federal income tax $89 $89 $228 $171 
States income taxes, net of federal income tax benefit12 12 29 23 
Foreign rate difference7 10 19 17 
Net tax benefit related to foreign subsidiaries— (4)— (92)
Other - net(1)(1)(5)(1)
Income tax provision$107 $106 $271 $118 
Effective tax rate25.5 %29.3 %25.0 %17.3 %
The changes to the Company's effective tax rate for the three and nine months ended September 30, 2021 were primarily driven by the absence of the tax impacts and the prior year net tax benefit from the Company's investment in Fabory. The Company divested the Fabory business during the second quarter of 2020.