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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

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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