Consolidated Condensed Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment
In service	$ 15,330.9	$ 14,966.3
Accumulated depreciation	(4,449.2)	(4,257.1)
Property, Plant and Equipment in Service, Net	10,881.7	10,709.2
Construction work in progress	209.6	149.6
Leased facilities, net	43.6	47.8
Net Property, Plant and Equipment	11,134.9	10,906.6
Investments
Equity investment in transmission affiliate	423.3	402.7
Other	32.6	36.1
Total Investments	455.9	438.8
Current Assets
Cash and cash equivalents	88.7	26.0
Accounts receivable, net	339.0	406.0
Accrued revenues	159.1	321.1
Materials, supplies and inventories	379.3	329.4
Current deferred tax asset, net	165.5	310.0
Prepayments and other	142.9	158.6
Total Current Assets	1,274.5	1,551.1
Deferred Charges and Other Assets
Regulatory assets	1,096.7	1,108.5
Goodwill	441.9	441.9
Other	321.0	322.5
Total Deferred Charges and Other Assets	1,859.6	1,872.9
Total Assets	14,724.9	14,769.4
Capitalization
Common equity	4,398.3	4,233.0
Preferred stock of subsidiary	30.4	30.4
Long-term debt	4,569.6	4,363.2
Total Capitalization	8,998.3	8,626.6
Current Liabilities
Long-term debt due currently	47.7	342.2
Short-term debt	475.8	537.4
Accounts payable	315.0	342.6
Accrued payroll and benefits	71.4	96.9
Other	155.7	177.3
Total Current Liabilities	1,065.6	1,496.4
Deferred Credits and Other Liabilities
Regulatory liabilities	839.0	879.1
Deferred income taxes - long-term	2,752.7	2,634.0
Deferred revenue, net	627.2	664.2
Pension and other benefit obligations	168.9	173.2
Other	273.2	295.9
Total Deferred Credits and Other Liabilities	4,661.0	4,646.4
Total Capitalization and Liabilities	$ 14,724.9	$ 14,769.4