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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
The following table provides additional information regarding our Consolidated Statements of Cash Flows for the years ended December 31, 2020, 2019 and 2018:
Year Ended December 31, (in millions)
202020192018
Supplemental Disclosures of Cash Flow Information
Non-cash transactions:
Capital expenditures included in current liabilities$170.4 $223.6 $152.0 
Assets acquired under a finance lease59.3 26.4 54.6 
Assets acquired under an operating lease10.9 13.4 — 
Reclassification of other property to regulatory assets(1)
— — 245.3 
Assets recorded for asset retirement obligations(2)
91.5 54.6 78.1 
Obligation to developer at formation of joint venture(3)
69.7 — — 
Schedule of interest and income taxes paid:
Cash paid for interest, net of interest capitalized amounts$349.0 $349.7 $354.2 
Cash paid for income taxes, net of refunds(4)
(1.0)10.8 3.3 
(1)See Note 9 "Regulatory Matters" for additional information.
(2)See Note 8 "Asset Retirement Obligations" for additional information.
(3)Represents investing non-cash activity. See Note 4 "Variable Interest Entities" for additional information.
(4)Amount of refunds in 2020 was greater than the amount of tax payments due to overpayments in 2019.