v3.26.3
CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Current Assets:    
Cash and cash equivalents $ 109.0 $ 499.2
Receivables:    
Trade, net 310.7 220.5
Other 53.6 27.6
Gas transportation receivables 17.5 22.4
Gas stored underground and product inventory 52.0 23.1
Prepayments 43.3 30.2
Short-term investments 0.0 351.3
Derivative assets 62.3 0.0
Assets held for sale 17.0 0.0
Total current assets 680.4 1,179.7
Property, Plant and Equipment:    
Property, plant and equipment, gross 14,665.9 14,124.3
Less—accumulated depreciation and amortization 5,630.6 5,352.5
Property, plant and equipment, net 9,035.3 8,771.8
Other Assets:    
Goodwill 364.3 237.4
Gas stored underground 104.3 100.0
Other 274.7 224.5
Total other assets 743.3 561.9
Total Assets 10,459.0 10,513.4
Payables:    
Trade 274.2 140.5
Gas transportation payables 13.2 14.9
Accrued taxes, other 113.9 73.3
Accrued interest 29.3 49.8
Accrued payroll and employee benefits 60.1 53.1
Current portion of long-term debt 0.0 549.6
Other current liabilities 88.9 70.2
Total current liabilities 610.4 981.8
Long-term debt and finance lease obligation 3,232.7 3,231.8
Other Liabilities and Deferred Credits:    
Asset retirement obligations 75.7 71.6
Provision for other asset retirement 113.7 108.2
Total other liabilities and deferred credits 386.6 307.2
Partners' Capital:    
Partners' capital 6,309.4 6,073.3
Accumulated other comprehensive loss (80.1) (80.7)
Total partners' capital 6,229.3 5,992.6
Total Liabilities and Partners' Capital 10,459.0 10,513.4
Affiliates    
Receivables:    
Other current assets 0.2 0.0
Payables:    
Other 0.5 0.5
Other Liabilities and Deferred Credits:    
Other 7.5 6.2
Other    
Receivables:    
Other current assets 14.8 5.4
Payables:    
Other 30.3 29.9
Other Liabilities and Deferred Credits:    
Other 189.7 121.2
Pipelines, storage and other plant    
Property, Plant and Equipment:    
Property, plant and equipment, gross 14,023.1 13,835.1
Construction work in progress    
Property, Plant and Equipment:    
Property, plant and equipment, gross $ 642.8 $ 289.2