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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
ASSETS |  |
Cash and cash equivalents | $ 115 | $ 170
Receivables, less allowances of $67 and $75 for uncollectible accounts at respective dates | 797 | 762
Accrued unbilled revenue | 403 | 550
Inventory | 351 | 340
Prepaid taxes | 26 | 22
Derivative assets | 111 | 129
Margin and collateral deposits | 10 | 8
Regulatory assets | 672 | 572
Other current assets | 185 | 119
Total current assets | 2,670 | 2,672
Nuclear decommissioning trusts | 4,246 | 4,048
Investments in unconsolidated affiliates | 2 | 2
Other investments | 199 | 184
Total investments | 4,447 | 4,234
Utility property, plant and equipment, less accumulated depreciation of $7,662 and $7,424 at respective dates | 30,673 | 30,200
Nonutility property, plant and equipment, less accumulated depreciation of $126 and $123 at respective dates | 72 | 73
Total property, plant and equipment | 30,745 | 30,273
Derivative assets | 81 | 85
Restricted deposits | 4 | 4
Regulatory assets | 6,518 | 6,422
Other long-term assets | 690 | 704
Total long-term assets | 7,293 | 7,215
Total assets | 45,155 | 44,394
LIABILITIES AND EQUITY |  |
Short-term debt | 420 | 175
Current portion of long-term debt | 800 | 0
Accounts payable | 1,100 | 1,423
Accrued taxes | 134 | 61
Accrued interest | 126 | 176
Customer deposits | 196 | 193
Derivative liabilities | 107 | 126
Regulatory liabilities | 443 | 536
Deferred income taxes | 174 | 64
Other current liabilities | 779 | 990
Total current liabilities | 4,279 | 3,744
Long-term debt | 8,829 | 9,231
Deferred income taxes | 6,289 | 6,127
Deferred investment tax credits | 103 | 104
Customer advances | 150 | 149
Derivative liabilities | 1,014 | 939
Pensions and benefits | 2,610 | 2,614
Asset retirement obligations | 2,824 | 2,782
Regulatory liabilities | 5,470 | 5,214
Other deferred credits and other long-term liabilities | 2,278 | 2,299
Total deferred credits and other liabilities | 20,738 | 20,228
Total liabilities | 33,846 | 33,203
Commitments and contingencies (Note 9) |  |
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) | 2,380 | 2,373
Accumulated other comprehensive loss | (87) | (87)
Retained earnings | 7,262 | 7,146
Total common shareholders' equity | 9,555 | 9,432
Preferred and preference stock of utility | 1,754 | 1,759
Total noncontrolling interests | 1,754 | 1,759
Total equity | 11,309 | 11,191
Total liabilities and equity | 45,155 | 44,394
Southern California Edison |  |
ASSETS |  |
Cash and cash equivalents | 27 | 45
Receivables, less allowances of $67 and $75 for uncollectible accounts at respective dates | 754 | 755
Accrued unbilled revenue | 403 | 550
Inventory | 351 | 340
Prepaid taxes | 30 | 48
Derivative assets | 111 | 129
Regulatory assets | 672 | 572
Other current assets | 194 | 123
Total current assets | 2,542 | 2,562
Nuclear decommissioning trusts | 4,246 | 4,048
Other investments | 125 | 116
Total investments | 4,371 | 4,164
Utility property, plant and equipment, less accumulated depreciation of $7,662 and $7,424 at respective dates | 30,673 | 30,200
Nonutility property, plant and equipment, less accumulated depreciation of $126 and $123 at respective dates | 70 | 70
Total property, plant and equipment | 30,743 | 30,270
Derivative assets | 81 | 85
Regulatory assets | 6,518 | 6,422
Other long-term assets | 537 | 531
Total long-term assets | 7,136 | 7,038
Total assets | 44,792 | 44,034
LIABILITIES AND EQUITY |  |
Short-term debt | 404 | 175
Current portion of long-term debt | 800 |
Accounts payable | 1,069 | 1,297
Accrued taxes | 131 | 72
Accrued interest | 125 | 172
Customer deposits | 196 | 193
Derivative liabilities | 107 | 126
Regulatory liabilities | 443 | 536
Deferred income taxes | 174 | 81
Other current liabilities | 654 | 861
Total current liabilities | 4,103 | 3,513
Long-term debt | 8,427 | 8,828
Deferred income taxes | 6,781 | 6,669
Deferred investment tax credits | 103 | 104
Customer advances | 150 | 149
Derivative liabilities | 1,014 | 939
Pensions and benefits | 2,234 | 2,245
Asset retirement obligations | 2,824 | 2,782
Regulatory liabilities | 5,470 | 5,214
Other deferred credits and other long-term liabilities | 1,844 | 1,848
Total deferred credits and other liabilities | 20,420 | 19,950
Total liabilities | 32,950 | 32,291
Commitments and contingencies (Note 9) |  |
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 | 579 | 581
Accumulated other comprehensive loss | (32) | (29)
Retained earnings | 7,332 | 7,228
Total common shareholders' equity | 10,047 | 9,948
Preferred and preference stock of utility | 1,795 | 1,795
Total equity | 11,842 | 11,743
Total liabilities and equity | $ 44,792 | $ 44,034

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