CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Assets
Utility Plant In Service	$ 11,901	$ 11,714
Accumulated Depreciation and Amortization	(3,599)	(3,495)
Construction Work in Progress	1,284	1,081
Nuclear Fuel, Net of Accumulated Amortization	133	132
Goodwill, net of accumulated amortization and writedown of $276	230	230
Utility Plant, Net	9,949	9,662
Nonutility Property and Investments:
Nonutility property, net of accumulated depreciation of $127 and $118	302	299
Assets held in trust, net-nuclear decommissioning	80	76
Other investments	87	78
Nonutility Property and Investments, Net	469	453
Current Assets:
Cash and cash equivalents	166	55
Receivables, net of allowance for uncollectible accounts of $6 and $9	627	837
Inventories (at average cost):
Fuel and gas supply	284	316
Materials and supplies	128	125
Emission allowances	4	6
Prepayments and other	207	271
Deferred income taxes	19	21
Total Current Assets	1,435	1,631
Deferred Debits and Other Assets:
Regulatory assets	1,128	1,061
Other	163	161
Total Deferred Debits and Other Assets	1,291	1,222
Total	13,144	12,968
Capitalization and Liabilities
Common Equity	3,805	3,702
Long-Term Debt, net	4,379	4,152
Total Capitalization	8,184	7,854
Current Liabilities:
Short-term borrowings	546	420
Current portion of long-term debt	286	337
Accounts payable	379	526
Customer deposits and customer prepayments	96	100
Taxes accrued	83	146
Interest accrued	74	72
Dividends declared	63	61
Derivative financial instruments	20	65
Other	106	140
Total Current Liabilities	1,653	1,867
Deferred Credits and Other Liabilities:
Deferred income taxes, net	1,429	1,391
Deferred investment tax credits	43	56
Asset retirement obligations	510	497
Other postretirement benefits	205	202
Regulatory liabilities	931	913
Other	189	188
Total Deferred Credits and Other Liabilities	3,307	3,247
Commitments and Contingencies (Note 9)
Total	$ 13,144	$ 12,968