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Statements of Consolidated Balance Sheets - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment    
Utility Plant $ 19,680.6 $ 19,368.0
Accumulated depreciation and amortization (6,701.5) (6,613.7)
Net utility plant 12,979.1 12,754.3
Other property, at cost, less accumulated depreciation 309.8 313.7
Net Property, Plant and Equipment 13,288.9 13,068.0
Investments and Other Assets    
Unconsolidated affiliates 6.5 6.6
Other investments 194.1 193.3
Total Investments and Other Assets 200.6 199.9
Current Assets    
Cash and cash equivalents 28.4 26.4
Restricted Cash 10.8 9.6
Accounts receivable (less reserve of $32.3 and $23.3, respectively) 813.8 847.0
Gas inventory 79.5 279.9
Materials and supplies, at average cost 97.5 101.7
Electric production fuel, at average cost 98.5 112.8
Exchange gas receivable 18.8 5.4
Regulatory assets 184.8 248.7
Prepayments and other 139.1 130.6
Total Current Assets 1,471.2 1,762.1
Other Assets    
Regulatory assets 1,657.7 1,636.7
Goodwill 1,690.7 1,690.7
Intangible assets 239.9 242.7
Deferred charges and other 86.9 91.8
Total Other Assets 3,675.2 3,661.9
Total Assets 18,635.9 18,691.9
Common Stockholders' Equity    
Common stock - $0.01 par value, 400,000,000 shares authorized; 324,474,051 and 323,159,672 shares outstanding, respectively 3.3 3.3
Treasury stock (93.1) (88.7)
Additional paid-in capital 5,174.7 5,153.9
Retained deficit (874.2) (972.2)
Accumulated other comprehensive loss [1] (19.6) (25.1)
Total Common Stockholders' Equity 4,191.1 4,071.2
Long-term debt, excluding amounts due within one year 5,590.7 6,058.2
Total Capitalization 9,781.8 10,129.4
Current Liabilities    
Current portion of long-term debt 809.3 363.1
Short-term borrowings 1,514.2 1,488.0
Accounts payable 461.6 539.4
Dividends payable 56.7 0.0
Customer deposits and credits 166.3 264.1
Taxes accrued 216.6 195.4
Interest accrued 67.5 120.3
Exchange gas payable 23.3 83.7
Regulatory liabilities 131.6 116.7
Legal and environmental 33.8 37.4
Accrued compensation and employee benefits 107.0 161.4
Other accruals 76.2 82.7
Total Current Liabilities 3,664.1 3,452.2
Other Liabilities and Deferred Credits    
Risk management liabilities 52.9 44.5
Deferred income taxes 2,644.3 2,528.0
Deferred investment tax credits 13.1 13.4
Accrued insurance liabilities 85.1 82.8
Accrued liability for postretirement and postemployment benefits 700.0 713.4
Regulatory liabilities 1,234.1 1,265.1
Asset retirement obligations 261.3 262.6
Other noncurrent liabilities 199.2 200.5
Total Other Liabilities and Deferred Credits 5,190.0 5,110.3
Commitments and Contingencies 0.0 0.0
Total Capitalization and Liabilities $ 18,635.9 $ 18,691.9
[1] All amounts are net of tax. Amounts in parentheses indicate debits.