Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities
Net income	$ 347	$ 343
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	619	644
Deferred income taxes	119	78
Asset (gains) losses, net	13	(1)
Changes in assets and liabilities, exclusive of changes shown separately (Note 11)	(268)	(87)
Net cash from operating activities	830	977
Investing Activities
Plant and equipment expenditures	(842)	(641)
Restricted cash for debt redemption, principally Securitization	47	36
Proceeds from sale of nuclear decommissioning trust fund assets	69	179
Investment in nuclear decommissioning trust funds	(97)	(204)
Notes receivable - affiliates	103	(30)
Other investments	(24)	(34)
Net cash used for investing activities	(744)	(694)
Financing Activities
Short-term borrowings - affiliates	33	0
Short-term borrowings - other	50	0
Issuance of long-term debt	610	595
Redemption of long-term debt	(554)	(652)
Dividends on common stock	(229)	(228)
Other	(6)	(10)
Net cash used for financing activities	(96)	(295)
Net Decrease in Cash and Cash Equivalents	(10)	(12)
Cash and Cash Equivalents at Beginning of Period	30	34
Cash and Cash Equivalents at End of Period	$ 20	$ 22