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OTHER (INCOME) EXPENSE, NET OTHER (INCOME) EXPENSE, NET
 12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]  
Other (Income) Expense, Net OTHER (INCOME) EXPENSE, NET
Other (income) expense, net reports certain gains and losses associated with activities not directly related to our core operations. A summary of the components of other (income) expense, net is as follows:
For the years ended December 31,202020192018
Write-down of equity investments in partnerships qualifying for historic and solar tax credits (see Note 10)
$125,579 $50,457 $50,329 
Non-service cost components of net periodic benefit cost relating to pension and other post-retirement benefit plans (see Note 11)
12,560 20,415 20,672 
Other (income) expense, net188 171 3,765 
Total
$138,327 $71,043 $74,766