v3.25.3
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Current Assets:    
Cash and cash equivalents $ 466.7 $ 117.9
Receivables:    
Trade, net 197.0 210.7
Other 26.3 21.4
Gas transportation receivables 11.3 7.4
Prepayments 33.6 25.2
Other current assets 33.4 18.5
Total current assets 768.3 401.1
Property, Plant and Equipment:    
Property, plant and equipment, gross 13,976.8 13,857.8
Less—accumulated depreciation and amortization 5,248.4 5,045.1
Property, plant and equipment, net 8,728.4 8,812.7
Other Assets:    
Goodwill 237.4 237.4
Gas stored underground 103.2 98.3
Other 231.0 229.9
Total other assets 571.6 565.6
Total Assets 10,068.3 9,779.4
Payables:    
Trade 107.9 100.9
Gas transportation payables 8.2 11.7
Accrued taxes, other 96.1 67.0
Accrued interest 36.4 46.7
Accrued payroll and employee benefits 49.7 48.6
Regulatory liabilities 28.1 18.3
Other current liabilities 23.1 30.2
Total current liabilities 380.9 345.6
Long-term debt and finance lease obligation 3,236.6 3,234.4
Other Liabilities and Deferred Credits:    
Asset retirement obligations 71.3 70.0
Provision for other asset retirement 108.4 103.6
Total other liabilities and deferred credits 315.4 293.4
Commitments and Contingencies
Partners' Capital:    
Partners' capital 6,207.9 5,978.6
Accumulated other comprehensive loss (72.5) (72.6)
Total partners' capital 6,135.4 5,906.0
Total Liabilities and Partners' Capital 10,068.3 9,779.4
Affiliates    
Payables:    
Payables 0.5 0.5
Other Liabilities and Deferred Credits:    
Other 5.9 4.8
Other    
Payables:    
Payables 30.9 21.7
Other Liabilities and Deferred Credits:    
Other 129.8 115.0
Pipelines, storage and other plant    
Property, Plant and Equipment:    
Property, plant and equipment, gross 13,761.4 13,667.7
Construction work in progress    
Property, Plant and Equipment:    
Property, plant and equipment, gross $ 215.4 $ 190.1