Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ (92)		$ 22	$ 1,308
Less: Income (loss) from discontinued operations, net of tax	(1,686)	[1]	(1,078)	164
Income from continuing operations	1,594	[2],[3]	1,100	1,144
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	1,562		1,427	1,274
Regulatory impacts of net nuclear decommissioning trust earnings	192		146	189
Other amortization	72		133	106
(Gain) loss on sale of assets, disallowances and other	(29)		21	2
Stock-based compensation	33		26	24
Equity in income from unconsolidated affiliates	(1)		0	(2)
Distributions from unconsolidated affiliates	0		0	1
Deferred income taxes and investment tax credits	141		708	966
Income from leveraged leases	(5)		(5)	(5)
Proceeds from U.S. treasury grants	68		0	0
Changes in operating assets and liabilities:
Receivables	(13)		(46)	(195)
Inventory	10		(18)	(11)
Margin and collateral deposits, net of collateral received	38		7	2
Prepaid taxes	156		29	(251)
Other current assets	(76)		(88)	(98)
Accounts payable	14		45	2
Accrued taxes	33		5	(127)
Other current liabilities	152		(32)	125
Derivative assets and liabilities, net	262		382	(62)
Regulatory assets and liabilities, net	(314)		(1,080)	278
Other assets	(222)		(128)	(62)
Other liabilities	304		649	(427)
Operating cash flows from continuing operations	3,971		3,281	2,873
Operating cash flows from discontinued operations, net	(637)		625	604
Net cash provided by operating activities	3,334		3,906	3,477
Cash flows from financing activities:
Long-term debt issued	395		896	1,535
Long-term debt issuance costs	(4)		(9)	(19)
Long-term debt repaid	(6)		(14)	(348)
Bonds purchased	0		(86)	0
Preference stock issued, net	804		123	0
Preference stock redeemed	(75)		0	0
Short-term debt financing, net	(264)		410	(66)
Settlements of stock-based compensation, net	(68)		(15)	(13)
Dividends to noncontrolling interests	(82)		(59)	(52)
Dividends paid	(424)		(417)	(411)
Financing cash flows from continuing operations	276		829	626
Financing cash flows from discontinued operations, net	374		278	427
Net cash provided by financing activities	650		1,107	1,053
Cash flows from investing activities:
Capital expenditures	(4,149)		(4,122)	(3,780)
Proceeds from sale of nuclear decommissioning trust investments	2,122		2,773	1,432
Purchases of nuclear decommissioning trust investments and other	(2,337)		(2,940)	(1,651)
Proceeds from sale of interest in project, net	114		0	0
Proceeds from partnerships and unconsolidated subsidiaries, net of investment	(4)		5	18
Customer advances for construction and other investments	8		29	10
Effect of deconsolidation of variable interest entities	0		0	(92)
Investing cash flows from continuing operations	(4,246)		(4,255)	(4,063)
Investing cash flows from discontinued operations, net	(1,037)		(678)	(751)
Net cash used by investing activities	(5,283)		(4,933)	(4,814)
Net (decrease) increase in cash and cash equivalents	(1,299)		80	(284)
Cash and cash equivalents at beginning of year	1,469		1,389	1,673
Cash and cash equivalents at end of year	170		1,469	1,389
Cash and cash equivalents from discontinued operations	0		1,300	1,075
Cash and cash equivalents from continuing operations	170		169	314
Southern California Edison
Cash flows from operating activities:
Net income (loss)	1,660	[2],[3]	1,144	1,092
Adjustments to reconcile to net cash provided by operating activities:
Depreciation, decommissioning and amortization	1,562		1,426	1,273
Regulatory impacts of net nuclear decommissioning trust earnings	192		146	189
Other amortization	71		132	106
(Gain) loss on sale of assets, disallowances and other	32		0	(1)
Stock-based compensation	18		16	17
Deferred income taxes and investment tax credits	256		852	973
Proceeds from U.S. treasury grants	68		0	0
Changes in operating assets and liabilities:
Receivables	(23)		(44)	(25)
Inventory	10		(18)	(11)
Margin and collateral deposits, net of collateral received	38		7	2
Prepaid taxes	230		(110)	(135)
Other current assets	(73)		(87)	(101)
Accounts payable	(9)		11	(166)
Accrued taxes	24		4	36
Other current liabilities	149		(33)	118
Derivative assets and liabilities, net	(86)		730	(43)
Regulatory assets and liabilities, net	34		(1,428)	278
Other assets	(54)		(180)	(10)
Other liabilities	(13)		693	(206)
Net cash provided by operating activities	4,086		3,261	3,386
Cash flows from financing activities:
Long-term debt issued	395		896	1,135
Long-term debt issuance costs	(4)		(9)	(16)
Long-term debt repaid	(6)		(14)	(259)
Bonds purchased	0		(86)	0
Preference stock issued, net	804		123	0
Preference stock redeemed	(75)		0	0
Short-term debt financing, net	(250)		419	0
Settlements of stock-based compensation, net	(57)		(10)	(5)
Dividends paid	(551)		(520)	(352)
Net cash provided by financing activities	256		799	503
Cash flows from investing activities:
Capital expenditures	(4,149)		(4,122)	(3,780)
Proceeds from sale of nuclear decommissioning trust investments	2,122		2,773	1,432
Purchases of nuclear decommissioning trust investments and other	(2,337)		(2,940)	(1,651)
Customer advances for construction and other investments	10		29	(3)
Effect of deconsolidation of variable interest entities	0		0	(92)
Net cash used by investing activities	(4,354)		(4,260)	(4,094)
Net (decrease) increase in cash and cash equivalents	(12)		(200)	(205)
Cash and cash equivalents at beginning of year	57		257	462
Cash and cash equivalents at end of year	$ 45		$ 57	$ 257

[1] During the fourth quarter of 2012, Edison International recorded a full impairment of its $1.2 billion investment in EME. See Note 17 for further information.

[2] During the fourth quarter of 2012, SCE corrected errors, primarily related to deferred taxes, that resulted in a net earnings benefit of $33 million which were not considered material to the current and prior period consolidated financial statements.

[3] During the fourth quarter of 2012, SCE implemented the 2012 GRC Decision which resulted in an earnings impact of approximately $500 million.