Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Property, plant, and equipment
In service	$ 26,690.7	$ 26,249.5
Accumulated depreciation	(8,049.1)	(7,919.1)
In service, net	18,641.6	18,330.4
Construction work in progress	723.7	822.9
Leased facilities, net	33.6	36.4
Net property, plant, and equipment	19,398.9	19,189.7
Investments
Equity investment in transmission affiliate	1,425.0	1,380.9
Other	88.0	85.8
Total investments	1,513.0	1,466.7
Current assets
Cash and cash equivalents	32.1	49.8
Accounts receivable and unbilled revenues, net of reserves of $109.4 and $113.3, respectively	914.9	1,028.6
Materials, supplies, and inventories	494.5	687.0
Assets held for sale	0.0	96.8
Prepayments	235.3	285.8
Other	89.1	58.8
Total current assets	1,765.9	2,206.8
Deferred charges and other assets
Regulatory assets	3,031.4	3,064.6
Goodwill	3,046.2	3,023.5
Other	419.9	403.9
Total deferred charges and other assets	6,497.5	6,492.0
Total assets	29,175.3	29,355.2
Capitalization
Common stock – $.01 par value; 325,000,000 shares authorized; 315,619,968 and 315,683,496 shares outstanding, respectively	3.2	3.2
Additional paid in capital	4,310.9	4,347.2
Retained earnings	4,515.0	4,299.8
Accumulated other comprehensive income	4.4	4.6
Preferred Stock, Value, Issued	30.4	30.4
Long-term debt	8,902.1	9,124.1
Total capitalization	17,766.0	17,809.3
Current liabilities
Current portion of long-term debt	95.8	157.7
Short-term debt	927.8	1,095.0
Accounts payable	620.5	815.4
Accrued payroll and benefits	134.5	169.7
Other	358.5	471.2
Total current liabilities	2,137.1	2,709.0
Deferred credits and other liabilities
Regulatory liabilities	1,469.7	1,392.2
Deferred income taxes	4,938.3	4,622.3
Deferred revenue, net	572.3	579.4
Pension and OPEB obligations	541.9	543.1
Environmental remediation	617.9	628.2
Other	1,132.1	1,071.7
Total deferred credits and other liabilities	9,272.2	8,836.9
Commitments and contingencies (Note 16)
Total capitalization and liabilities	$ 29,175.3	$ 29,355.2