Statements of Consolidated and Combined Balance Sheets - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Current Assets    
Cash and cash equivalents $ 78.9  
Accounts receivable (less reserve of $0.3 and $0.3, respectively) 145.9  
Accounts Receivable-affiliated 149.4  
Materials and supplies, at average cost 32.8  
Exchange gas receivable 18.8  
Deferred Property Taxes 52.0  
Deferred income taxes 0.0  
Prepayments and other 33.8  
Total Current Assets 511.6  
Investments    
Unconsolidated affiliates 437.1  
Other investments 1.8  
Total Investments 438.9  
Property, Plant and Equipment    
Property, plant and equipment 8,930.9  
Accumulated depreciation and amortization (2,960.1)  
Net Property, Plant and Equipment 5,970.8  
Other Noncurrent Assets    
Regulatory assets 134.1  
Goodwill 1,975.5  
Postretirement and postemployment benefits assets 120.5  
Deferred charges and other 10.6  
Total Other Noncurrent Assets 2,240.7  
Total Assets 9,162.0  
Current Liabilities    
Current portion of long-term debt-affiliated 0.0  
Short-term borrowings 15.0  
Short-term borrowings-affiliated 42.1  
Accounts payable 49.9  
Accounts payable-affiliated 86.3  
Customer deposits 17.8  
Taxes accrued 108.2  
Exchange gas payable 18.2  
Deferred revenue 15.0  
Accrued capital expenditures 95.9  
Accrued compensation and related costs 26.6  
Other accruals 43.8  
Total Current Liabilities 518.8  
Noncurrent Liabilities    
Long-term debt-affiliated 630.9  
Deferred income taxes 1.0  
Accrued liability for postretirement and postemployment benefits 36.1  
Regulatory liabilities 309.7  
Asset retirement obligations 25.3 $ 23.2
Other noncurrent liabilities 63.5  
Total Noncurrent Liabilities 1,066.5  
Total Liabilities 1,585.3  
Equity and Partners' Capital    
Net parent investment 0.0  
Accumulated other comprehensive loss [1] (4.0)  
Total Columbia Pipeline Partners LP partners' equity and capital 1,258.5  
Noncontrolling Interest in Columbia OpCo 6,318.2  
Total Equity and Partners' Capital 7,576.7 4,171.3
Total Liabilities and Equity and Partners' Capital 9,162.0  
Predecessor    
Current Assets    
Cash and cash equivalents   0.5
Accounts receivable (less reserve of $0.3 and $0.3, respectively)   149.3
Accounts Receivable-affiliated   153.8
Materials and supplies, at average cost   24.9
Exchange gas receivable   34.8
Deferred Property Taxes   48.9
Deferred income taxes   24.6
Prepayments and other   20.9
Total Current Assets   457.7
Investments    
Unconsolidated affiliates   444.3
Other investments   6.2
Total Investments   450.5
Property, Plant and Equipment    
Property, plant and equipment   7,931.6
Accumulated depreciation and amortization   (2,971.4)
Net Property, Plant and Equipment   4,960.2
Other Noncurrent Assets    
Regulatory assets   151.9
Goodwill   1,975.5
Postretirement and postemployment benefits assets   102.7
Deferred charges and other   9.0
Total Other Noncurrent Assets   2,239.1
Total Assets   8,107.5
Current Liabilities    
Current portion of long-term debt-affiliated   115.9
Short-term borrowings   0.0
Short-term borrowings-affiliated   247.3
Accounts payable   56.1
Accounts payable-affiliated   49.9
Customer deposits   13.4
Taxes accrued   106.9
Exchange gas payable   34.7
Deferred revenue   22.2
Accrued capital expenditures   61.1
Accrued compensation and related costs   31.2
Other accruals   39.0
Total Current Liabilities   777.7
Noncurrent Liabilities    
Long-term debt-affiliated   1,472.8
Deferred income taxes   1,239.0
Accrued liability for postretirement and postemployment benefits   44.7
Regulatory liabilities   294.3
Asset retirement obligations   23.2
Other noncurrent liabilities   84.5
Total Noncurrent Liabilities   3,158.5
Total Liabilities   3,936.2
Equity and Partners' Capital    
Net parent investment   4,188.0
Accumulated other comprehensive loss [1]   (16.7)
Total Columbia Pipeline Partners LP partners' equity and capital   4,171.3
Noncontrolling Interest in Columbia OpCo   0.0
Total Equity and Partners' Capital   4,171.3
Total Liabilities and Equity and Partners' Capital   8,107.5
Common Units    
Equity and Partners' Capital    
Limited Partners' Capital Account 958.5  
Common Units | Predecessor    
Equity and Partners' Capital    
Limited Partners' Capital Account   0.0
Subordinated Units    
Equity and Partners' Capital    
Limited Partners' Capital Account $ 304.0  
Subordinated Units | Predecessor    
Equity and Partners' Capital    
Limited Partners' Capital Account   $ 0.0
[1] All amounts prior to the IPO are net of tax. Amounts in parentheses indicate debits.