Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net Income	$ 610	$ 542
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	855	811
Nuclear fuel amortization	33	25
Allowance for equity funds used during construction	(16)	(10)
Deferred income taxes	244	162
Asset (gains) and losses, reserves and impairments, net	(10)	(5)
Changes in assets and liabilities:
Accounts receivable, net	273	177
Inventories	(165)	35
Accounts payable	48	(16)
Accrued pension obligation	(154)	(44)
Accrued postretirement obligation	(64)	(191)
Derivative assets and liabilities	(56)	(23)
Regulatory assets and liabilities	(211)	327
Other assets	(66)	(62)
Other liabilities	(23)	(13)
Net cash from operating activities	1,298	1,715
Investing Activities
Plant and equipment expenditures — utility	(1,295)	(1,101)
Plant and equipment expenditures — non-utility	(207)	(270)
Proceeds from sale of assets	36	20
Restricted cash for debt redemption, principally Securitization	62	58
Proceeds from sale of nuclear decommissioning trust fund assets	652	477
Investment in nuclear decommissioning trust funds	(665)	(489)
Other	(40)	(32)
Net cash used for investing activities	(1,457)	(1,337)
Financing Activities
Issuance of long-term debt, net of issuance costs	1,289	768
Redemption of long-term debt	(1,222)	(855)
Short-term borrowings, net	522	31
Issuance of common stock	0	29
Repurchase of common stock	(52)	0
Dividends on common stock	(348)	(329)
Other	(22)	(16)
Net cash from (used for) financing activities	167	(372)
Net Increase (Decrease) in Cash and Cash Equivalents	8	6
Cash and Cash Equivalents at Beginning of Period	52	65
Cash and Cash Equivalents at End of Period	60	71
Supplemental Disclosure of Non-Cash Information
Plant and equipment expenditures in accounts payable	$ 192	$ 263