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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 260 | $ 93
Restricted cash and cash equivalents | 32 | 29
Accounts receivable and accrued revenue, less allowances | 678 | 855
Notes receivable | 84 | 41
Accounts receivable - related parties | 10 | 10
Accrued power supply and gas revenue | 27 | 32
Inventories at average cost |  |
Gas in underground storage | 830 | 820
Materials and supplies | 107 | 96
Generating plant fuel stock | 152 | 168
Deferred property taxes | 122 | 190
Regulatory assets | 31 | 35
Prepayments and other current assets | 68 | 53
Total current assets | 2,401 | 2,422
Plant, Property, and Equipment |  |
Plant, property, and equipment, gross | 16,566 | 15,592
Less accumulated depreciation and amortization | 5,355 | 5,121
Plant, property, and equipment, net | 11,211 | 10,471
Construction work in progress | 943 | 1,080
Total plant, property, and equipment | 12,154 | 11,551
Other Non-current Assets |  |
Regulatory assets, noncurrent | 1,579 | 2,287
Accounts and notes receivable, less allowances | 556 | 521
Investments | 63 | 57
Other | 233 | 293
Total other non-current assets | 2,431 | 3,158
Total Assets | 16,986 | 17,131
Current Liabilities |  |
Current portion of long-term debt, capital and finance lease obligations | 532 | 541
Notes payable |  | 110
Accounts payable | 519 | 512
Accounts payable - related parties | 7 | 9
Accrued rate refunds |  | 6
Accrued interest | 65 | 95
Accrued taxes | 88 | 279
Deferred income taxes | 66 | 68
Regulatory liabilities, current | 51 | 25
Other current liabilities | 136 | 152
Total current liabilities | 1,464 | 1,797
Non-current Liabilities |  |
Long-term debt | 7,089 | 6,710
Non-current portion of capital and finance lease obligations | 140 | 153
Regulatory liabilities | 2,086 | 2,101
Postretirement benefits | 740 | 1,451
Asset retirement obligations | 322 | 312
Deferred investment tax credit | 41 | 43
Deferred income taxes | 1,355 | 1,015
Other non-current liabilities | 316 | 311
Total non-current liabilities | 12,089 | 12,096
Commitments and Contingencies (Notes 1 and 2) |  |
Equity |  |
Common stock | 3 | 3
Other paid-in capital | 4,708 | 4,669
Accumulated other comprehensive loss | (39) | (55)
Retained earnings (Accumulated deficit) | (1,276) | (1,423)
Total common stockholders equity | 3,396 | 3,194
Noncontrolling interests | 37 | 44
Total equity | 3,433 | 3,238
Total Liabilities and Equity | 16,986 | 17,131
Consumers Energy Company [Member] |  |
Current Assets |  |
Cash and cash equivalents | 199 | 5
Restricted cash and cash equivalents | 31 | 28
Accounts receivable and accrued revenue, less allowances | 669 | 844
Notes receivable | 25 |
Accounts receivable - related parties | 1 | 1
Accrued power supply and gas revenue | 27 | 32
Inventories at average cost |  |
Gas in underground storage | 824 | 816
Materials and supplies | 103 | 92
Generating plant fuel stock | 152 | 167
Deferred property taxes | 122 | 190
Regulatory assets | 31 | 35
Prepayments and other current assets | 60 | 45
Total current assets | 2,244 | 2,255
Plant, Property, and Equipment |  |
Plant, property, and equipment, gross | 16,426 | 15,456
Less accumulated depreciation and amortization | 5,292 | 5,061
Plant, property, and equipment, net | 11,134 | 10,395
Construction work in progress | 942 | 1,080
Total plant, property, and equipment | 12,076 | 11,475
Other Non-current Assets |  |
Regulatory assets, noncurrent | 1,579 | 2,287
Accounts and notes receivable, less allowances | 17 | 17
Investments | 29 | 32
Other | 149 | 209
Total other non-current assets | 1,774 | 2,545
Total Assets | 16,094 | 16,275
Current Liabilities |  |
Current portion of long-term debt, capital and finance lease obligations | 63 | 63
Notes payable |  | 110
Accounts payable | 508 | 501
Accounts payable - related parties | 10 | 11
Accrued rate refunds |  | 6
Accrued interest | 43 | 65
Accrued taxes | 201 | 376
Deferred income taxes | 142 | 144
Regulatory liabilities, current | 51 | 25
Other current liabilities | 99 | 109
Total current liabilities | 1,117 | 1,410
Non-current Liabilities |  |
Long-term debt | 4,591 | 4,297
Non-current portion of capital and finance lease obligations | 140 | 153
Regulatory liabilities | 2,086 | 2,101
Postretirement benefits | 702 | 1,385
Asset retirement obligations | 321 | 311
Deferred investment tax credit | 41 | 43
Deferred income taxes | 1,999 | 1,741
Other non-current liabilities | 260 | 252
Total non-current liabilities | 10,140 | 10,283
Commitments and Contingencies (Notes 1 and 2) |  |
Equity |  |
Common stock | 841 | 841
Other paid-in capital | 3,257 | 3,107
Accumulated other comprehensive loss | (9) | (8)
Retained earnings (Accumulated deficit) | 711 | 598
Total common stockholders equity | 4,800 | 4,538
Preferred stock | 37 | 44
Total equity | 4,837 | 4,582
Total Liabilities and Equity | $ 16,094 | $ 16,275

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