Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 146	$ 170
Receivables, less allowances of $66 and $75 for uncollectible accounts at respective dates	838	762
Accrued unbilled revenue	596	550
Inventory	256	340
Derivative assets	122	129
Regulatory assets	538	572
Deferred income taxes	421	0
Other current assets	395	149
Total current assets	3,312	2,672
Nuclear decommissioning trusts	4,494	4,048
Other investments	207	186
Total investments	4,701	4,234
Utility property, plant and equipment, less accumulated depreciation of $7,493 and $7,424 at respective dates	30,379	30,200
Nonutility property, plant and equipment, less accumulated depreciation of $74 and $123 ($70 and $117 for SCE) at respective dates	76	73
Total property, plant and equipment	30,455	30,273
Derivative assets	251	85
Regulatory assets	7,241	6,422
Other long-term assets	686	708
Total long-term assets	8,178	7,215
Total assets	46,646	44,394
LIABILITIES AND EQUITY
Short-term debt	209	175
Current portion of long-term debt	601	0
Accounts payable	1,407	1,423
Accrued taxes	358	61
Customer deposits	201	193
Derivative liabilities	152	126
Regulatory liabilities	767	536
Deferred income taxes	0	64
Other current liabilities	1,186	1,166
Total current liabilities	4,881	3,744
Long-term debt	9,825	9,231
Deferred income taxes and credits	7,346	6,231
Derivative liabilities	1,042	939
Pensions and benefits	1,378	2,614
Asset retirement obligations	3,418	2,782
Regulatory liabilities	4,995	5,214
Other deferred credits and other long-term liabilities	2,070	2,448
Total deferred credits and other liabilities	20,249	20,228
Total liabilities	34,955	33,203
Commitments and contingencies (Note 12)
Common stock, no par value (800,000,000 shares authorized; 325,811,206 shares issued and outstanding at each date) and (560,000 shares authorized; 434,888,104 shares issued and outstanding at each date for SCE)	2,403	2,373
Accumulated other comprehensive loss	(13)	(87)
Retained earnings	7,548	7,146
Total common shareholders' equity	9,938	9,432
Preferred and preference stock of utility	1,753	1,759
Total noncontrolling interests	1,753	1,759
Total equity	11,691	11,191
Total liabilities and equity	46,646	44,394
Southern California Edison
ASSETS
Cash and cash equivalents	54	45
Receivables, less allowances of $66 and $75 for uncollectible accounts at respective dates	813	755
Accrued unbilled revenue	596	550
Inventory	256	340
Derivative assets	122	129
Regulatory assets	538	572
Deferred income taxes	303	0
Other current assets	393	171
Total current assets	3,075	2,562
Nuclear decommissioning trusts	4,494	4,048
Other investments	140	116
Total investments	4,634	4,164
Utility property, plant and equipment, less accumulated depreciation of $7,493 and $7,424 at respective dates	30,379	30,200
Nonutility property, plant and equipment, less accumulated depreciation of $74 and $123 ($70 and $117 for SCE) at respective dates	72	70
Total property, plant and equipment	30,451	30,270
Derivative assets	251	85
Regulatory assets	7,241	6,422
Other long-term assets	398	531
Total long-term assets	7,890	7,038
Total assets	46,050	44,034
LIABILITIES AND EQUITY
Short-term debt	175	175
Current portion of long-term debt	600	0
Accounts payable	1,373	1,297
Customer deposits	201	193
Derivative liabilities	152	126
Regulatory liabilities	767	536
Deferred income taxes	39	81
Other current liabilities	1,091	1,105
Total current liabilities	4,398	3,513
Long-term debt	9,422	8,828
Deferred income taxes and credits	7,841	6,773
Derivative liabilities	1,042	939
Pensions and benefits	951	2,245
Asset retirement obligations	3,418	2,782
Regulatory liabilities	4,995	5,214
Other deferred credits and other long-term liabilities	1,845	1,997
Total deferred credits and other liabilities	20,092	19,950
Total liabilities	33,912	32,291
Commitments and contingencies (Note 12)
Common stock, no par value (800,000,000 shares authorized; 325,811,206 shares issued and outstanding at each date) and (560,000 shares authorized; 434,888,104 shares issued and outstanding at each date for SCE)	2,168	2,168
Additional paid-in capital	592	581
Accumulated other comprehensive loss	(11)	(29)
Retained earnings	7,594	7,228
Total common shareholders' equity	10,343	9,948
Preferred and preference stock of utility	1,795	1,795
Total equity	12,138	11,743
Total liabilities and equity	$ 46,050	$ 44,034