Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 1,091	$ 96
Receivables, less allowances for uncollectible accounts	717	714
Accrued unbilled revenue	212	370
Inventory	242	239
Income tax receivables	224	1
Prepaid expenses	233	103
Derivative assets	105	73
Regulatory assets	703	350
Other current assets	202	177
Total current assets	3,729	2,123
Nuclear decommissioning trusts	4,440	4,242
Other investments	73	83
Total investments	4,513	4,325
Utility property, plant and equipment, less accumulated depreciation and amortization	38,708	36,806
Nonutility property, plant and equipment, less accumulated depreciation	342	194
Total property, plant and equipment	39,050	37,000
Regulatory assets	4,914	7,455
Other long-term assets	374	416
Total long-term assets	5,288	7,871
Total assets	52,580	51,319
LIABILITIES AND EQUITY
Short-term debt	2,393	1,307
Current portion of long-term debt	481	981
Accounts payable	1,503	1,342
Accrued taxes	23	50
Customer deposits	281	269
Derivative liabilities	1	216
Regulatory liabilities	1,121	756
Other current liabilities	1,265	991
Total current liabilities	7,068	5,912
Long-term debt	11,642	10,175
Deferred income taxes and credits	4,567	8,327
Derivative liabilities	0	941
Pensions and benefits	943	1,354
Asset retirement obligations	2,908	2,590
Regulatory liabilities	8,614	5,726
Other deferred credits and other long-term liabilities	2,953	2,102
Total deferred credits and other liabilities	19,985	21,040
Total liabilities	38,695	37,127
Commitments and contingencies (Note 11)
Redeemable noncontrolling interest	19	5
Common stock, no par value	2,526	2,505
Accumulated other comprehensive loss	(43)	(53)
Retained earnings	9,188	9,544
Total common shareholder's equity	11,671	11,996
Noncontrolling interests – preferred and preference stock of utility	2,193	2,191
Other noncontrolling interests	2	0
Total equity	13,866	14,187
Total liabilities and equity	52,580	51,319
Southern California Edison Company
ASSETS
Cash and cash equivalents	515	39
Receivables, less allowances for uncollectible accounts	693	699
Accrued unbilled revenue	212	369
Inventory	242	239
Income tax receivables	229	16
Prepaid expenses	228	98
Derivative assets	105	73
Regulatory assets	703	350
Other current assets	160	148
Total current assets	3,087	2,031
Nuclear decommissioning trusts	4,440	4,242
Other investments	52	50
Total investments	4,492	4,292
Utility property, plant and equipment, less accumulated depreciation and amortization	38,708	36,806
Nonutility property, plant and equipment, less accumulated depreciation	77	75
Total property, plant and equipment	38,785	36,881
Regulatory assets	4,914	7,455
Other long-term assets	237	232
Total long-term assets	5,151	7,687
Total assets	51,515	50,891
LIABILITIES AND EQUITY
Short-term debt	1,238	769
Current portion of long-term debt	479	579
Accounts payable	1,519	1,344
Accrued taxes	24	45
Customer deposits	281	269
Derivative liabilities	1	216
Regulatory liabilities	1,121	756
Other current liabilities	1,224	729
Total current liabilities	5,887	4,707
Long-term debt	10,428	9,754
Deferred income taxes and credits	5,890	9,886
Derivative liabilities	0	941
Pensions and benefits	483	896
Asset retirement obligations	2,892	2,586
Regulatory liabilities	8,614	5,726
Other deferred credits and other long-term liabilities	2,649	1,912
Total deferred credits and other liabilities	20,528	21,947
Total liabilities	36,843	36,408
Commitments and contingencies (Note 11)
Common stock, no par value	2,168	2,168
Additional paid-in capital	671	657
Accumulated other comprehensive loss	(19)	(20)
Retained earnings	9,607	9,433
Total common shareholder's equity	12,427	12,238
Noncontrolling interests – preferred and preference stock of utility	2,245	2,245
Total equity	14,672	14,483
Total liabilities and equity	$ 51,515	$ 50,891