Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 161	$ 132
Receivables, less allowances for uncollectible accounts at respective dates	771	790
Accrued unbilled revenue	565	632
Inventory	267	281
Derivative assets	79	102
Regulatory assets	560	1,254
Other current assets	251	376
Total current assets	2,654	3,567
Nuclear decommissioning trusts	4,331	4,799
Other investments	203	207
Total investments	4,534	5,006
Utility property, plant and equipment, less accumulated depreciation and amortization	34,945	32,859
Nonutility property, plant and equipment, less accumulated depreciation	140	122
Total property, plant and equipment	35,085	32,981
Derivative assets	84	219
Regulatory assets	7,512	7,612
Other long-term assets	441	349
Total long-term assets	8,037	8,180
Total assets	50,310	49,734
LIABILITIES AND EQUITY
Short-term debt	695	1,291
Current portion of long-term debt	295	504
Accounts payable	1,310	1,580
Accrued taxes	72	81
Customer deposits	242	221
Derivative liabilities	218	196
Regulatory liabilities	1,128	401
Other current liabilities	967	1,205
Total current liabilities	4,927	5,479
Long-term debt	10,964	10,234
Deferred income taxes and credits	7,480	6,861
Derivative liabilities	1,100	1,052
Pensions and benefits	1,759	2,155
Asset retirement obligations	2,764	2,821
Regulatory liabilities	5,676	5,889
Other deferred credits and other long-term liabilities	2,246	2,255
Total deferred credits and other liabilities	21,025	21,033
Total liabilities	$ 36,916	$ 36,746
Commitments and contingencies (Note 11)
Redeemable noncontrolling interest	$ 6	$ 6
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)	2,484	2,445
Accumulated other comprehensive loss	(56)	(58)
Retained earnings	8,940	8,573
Total common shareholders' equity	11,368	10,960
Noncontrolling interests – preferred and preference stock of utility	2,020	2,022
Total equity	13,388	12,982
Total liabilities and equity	50,310	49,734
Southern California Edison
ASSETS
Cash and cash equivalents	26	38
Receivables, less allowances for uncollectible accounts at respective dates	724	749
Accrued unbilled revenue	564	632
Inventory	256	275
Derivative assets	79	102
Regulatory assets	560	1,254
Other current assets	234	390
Total current assets	2,443	3,440
Nuclear decommissioning trusts	4,331	4,799
Other investments	168	158
Total investments	4,499	4,957
Utility property, plant and equipment, less accumulated depreciation and amortization	34,945	32,859
Nonutility property, plant and equipment, less accumulated depreciation	73	69
Total property, plant and equipment	35,018	32,928
Derivative assets	84	219
Regulatory assets	7,512	7,612
Other long-term assets	316	300
Total long-term assets	7,912	8,131
Total assets	49,872	49,456
LIABILITIES AND EQUITY
Short-term debt	49	667
Current portion of long-term debt	79	300
Accounts payable	1,299	1,556
Accrued taxes	46	87
Customer deposits	242	221
Derivative liabilities	218	196
Regulatory liabilities	1,128	401
Other current liabilities	760	1,183
Total current liabilities	3,821	4,611
Long-term debt	10,537	9,624
Deferred income taxes and credits	9,073	8,497
Derivative liabilities	1,100	1,052
Pensions and benefits	1,284	1,672
Asset retirement obligations	2,762	2,819
Regulatory liabilities	5,676	5,889
Other deferred credits and other long-term liabilities	1,947	2,010
Total deferred credits and other liabilities	21,842	21,939
Total liabilities	$ 36,200	$ 36,174
Commitments and contingencies (Note 11)
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	652	618
Accumulated other comprehensive loss	(22)	(28)
Retained earnings	8,804	8,454
Total common shareholders' equity	11,602	11,212
Noncontrolling interests – preferred and preference stock of utility	2,070	2,070
Total equity	13,672	13,282
Total liabilities and equity	$ 49,872	$ 49,456