Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Property, plant, and equipment
In service	$ 26,965.3	$ 26,249.5
Accumulated depreciation	(8,141.5)	(7,919.1)
In service, net	18,823.8	18,330.4
Construction work in progress	756.2	822.9
Leased facilities, net	32.2	36.4
Net property, plant, and equipment	19,612.2	19,189.7
Investments
Equity investment in transmission affiliate	1,453.1	1,380.9
Other	91.4	85.8
Total investments	1,544.5	1,466.7
Current assets
Cash and cash equivalents	25.0	49.8
Accounts receivable and unbilled revenues, net of reserves of $109.3 and $113.3, respectively	871.5	1,028.6
Materials, supplies, and inventories	654.3	687.0
Assets held for sale	0.0	96.8
Prepayments	217.4	285.8
Other	49.5	58.8
Total current assets	1,817.7	2,206.8
Deferred charges and other assets
Regulatory assets	3,004.6	3,064.6
Goodwill	3,046.2	3,023.5
Other	418.3	403.9
Total deferred charges and other assets	6,469.1	6,492.0
Total assets	29,443.5	29,355.2
Capitalization
Common stock – $.01 par value; 325,000,000 shares authorized; 315,617,299 and 315,683,496 shares outstanding, respectively	3.2	3.2
Additional paid in capital	4,308.8	4,347.2
Retained earnings	4,575.8	4,299.8
Accumulated other comprehensive income	3.7	4.6
Preferred stock of subsidiary	30.4	30.4
Long-term debt	9,088.1	9,124.1
Total capitalization	18,010.0	17,809.3
Current liabilities
Current portion of long-term debt	89.4	157.7
Short-term debt	789.4	1,095.0
Accounts payable	663.5	815.4
Accrued payroll and benefits	127.8	169.7
Accrued interest	115.2	67.4
Other	240.2	403.8
Total current liabilities	2,025.5	2,709.0
Deferred credits and other liabilities
Regulatory liabilities	1,451.1	1,392.2
Deferred income taxes	5,067.0	4,622.3
Deferred revenue, net	569.5	579.4
Pension and OPEB obligations	545.1	543.1
Environmental remediation	608.3	628.2
Other	1,167.0	1,071.7
Total deferred credits and other liabilities	9,408.0	8,836.9
Commitments and contingencies (Note 16)
Total capitalization and liabilities	$ 29,443.5	$ 29,355.2