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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 563 | $ 770
Funds deposited by counterparties | 33 | 37
Restricted cash | 17 | 279
Accounts receivable - trade | 1,019 | 900
Inventory | 412 | 453
Derivative instruments | 764 | 624
Cash collateral posted in support of energy risk management activities | 287 | 171
Accounts receivable - affiliate | 5 | 180
Prepayments and other current assets | 302 | 163
Current assets - held-for-sale | 1 | 116
Current assets - discontinued operations | 197 | 744
Total current assets | 3,600 | 4,437
Property, plant and equipment, net | 3,048 | 5,974
Other Assets |  |
Equity investments in affiliates | 412 | 182
Goodwill | 573 | 539
Intangible assets, net | 591 | 507
Nuclear decommissioning trust fund | 663 | 692
Derivative instruments | 317 | 159
Other non-current assets | 289 | 310
Non-current assets - held-for-sale | 77 | 43
Non-current assets - discontinued operations | 1,012 | 10,506
Total other assets | 3,980 | 12,944
Total Assets | 10,628 | 23,355
Current Liabilities |  |
Current portion of long-term debt and capital leases | 72 | 204
Accounts payable | 862 | 684
Accounts payable - affiliate | 1 | 57
Derivative instruments | 673 | 537
Cash collateral received in support of energy risk management activities | 33 | 37
Accrued expenses and other current liabilities | 680 | 756
Accrued expenses and other current liabilities - affiliate | 0 | 161
Current liabilities - held for sale | 5 | 72
Current liabilities - discontinued operations | 72 | 846
Total current liabilities | 2,398 | 3,354
Other Liabilities |  |
Long-term debt and capital leases | 6,449 | 9,180
Nuclear decommissioning reserve | 282 | 269
Nuclear decommissioning trust liability | 371 | 415
Postretirement and other benefit obligations | 435 | 458
Derivative instruments | 304 | 143
Deferred income taxes | 65 | 21
Out-of-market contracts, net | 121 | 129
Other non-current liabilities | 718 | 534
Non-current liabilities - held-for-sale | 65 | 8
Non-current liabilities - discontinued operations | 635 | 6,798
Total non-current liabilities | 9,445 | 17,955
Total Liabilities | 11,843 | 21,309
Redeemable noncontrolling interest in subsidiaries | 19 | 78
Commitments and Contingencies |  |
Stockholders' Equity |  |
Common stock; $0.01 par value; 500,000,000 shares authorized; 420,288,886 and 418,323,134 shares issued; and 283,650,039 and 316,743,089 shares outstanding at December 31, 2018 and 2017 | 4 | 4
Additional paid-in capital | 8,510 | 8,376
Accumulated deficit | (6,022) | (6,268)
Treasury stock, at cost; 136,638,847 and 101,580,045 shares at December 31, 2018 and 2017 | (3,632) | (2,386)
Accumulated other comprehensive loss | (94) | (72)
Noncontrolling interest | 0 | 2,314
Total Stockholders' Equity | (1,234) | 1,968
Total Liabilities and Stockholders' Equity | 10,628 | 23,355
Continuing Operations |  |
Other Assets |  |
Deferred income taxes | $ 46 | $ 6

X
- Definition The amount of cash collateral received from hedge counterparties in support of energy risk management activities for which there is an offsetting liability within current liabilities. These amounts are segregated into separate accounts that are not contractually restricted but, based on the entity's intention, are not available for the payment of the entity's general corporate obligations. Depending on market fluctuations and the settlement of the underlying contracts, the entity will refund this collateral to the counterparties pursuant to the terms and conditions of the underlying trades. + References No definition available. + Details
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- Definition The company is a beneficiary of a trust funded through collections from electric utility ratepayers. In the event that the trust funds are ultimately determined to be inadequate to decommission the company's nuclear facility, all additional amounts required to fund the decommissioning obligations may be collected through non-by-passable charges to the ratepayers. Following the completion of the decommissioning, if surplus funds remain in the decommissioning trusts, any excess funds will be refunded to the respective ratepayers. Consequently, the liability represents a liability to ratepayers in the state of Texas related to decommissioning of the company's Texas nuclear facility. This liability is the sum of the nuclear decommission trust fund asset, the nuclear decommissioning retirement obligation asset included within property, plant and equipment, less the nuclear decommissioning reserve. The total carrying value of all assets and liabilities associated with the decommissioning and the trusts net to zero and none of the activities related to the decommissioning of the STP nuclear facility are recorded in the income statement as ultimately the ratepayers in the state of Texas are liable for decommissioning the facility. + References No definition available. + Details
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