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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 418 | $ 345
Funds deposited by counterparties | 36 | 32
Restricted cash | 8 | 8
Accounts receivable, net | 1,015 | 1,025
Inventory | 388 | 383
Derivative instruments | 791 | 860
Cash collateral paid in support of energy risk management activities | 136 | 190
Prepayments and other current assets | 284 | 245
Total current assets | 3,076 | 3,088
Property, plant and equipment, net | 2,533 | 2,593
Other Assets |  |
Equity investments in affiliates | 372 | 388
Operating lease right-of-use assets, net | 429 | 464
Goodwill | 579 | 579
Intangible assets, net | 733 | 789
Nuclear decommissioning trust fund | 794 | 794
Derivative instruments | 439 | 310
Deferred income taxes | 3,170 | 3,286
Other non-current assets | 212 | 240
Total other assets | 6,728 | 6,850
Total Assets | 12,337 | 12,531
Current Liabilities |  |
Current portion of long-term debt | 7 | 88
Current portion of operating lease liabilities | 69 | 73
Accounts payable | 736 | 722
Derivative instruments | 728 | 781
Cash collateral received in support of energy risk management activities | 36 | 32
Accrued expenses and other current liabilities | 581 | 663
Total current liabilities | 2,157 | 2,359
Other Liabilities |  |
Long-term debt | 5,810 | 5,803
Non-current operating lease liabilities | 458 | 483
Nuclear decommissioning reserve | 307 | 298
Nuclear decommissioning trust liability | 478 | 487
Derivative instruments | 299 | 322
Deferred income taxes | 17 | 17
Other non-current liabilities | 1,061 | 1,084
Total other liabilities | 8,430 | 8,494
Total Liabilities | 10,587 | 10,853
Redeemable noncontrolling interest in subsidiaries | 0 | 20
Commitments and Contingencies |  |
Stockholders' Equity |  |
Common stock; $0.01 par value; 500,000,000 shares authorized; 423,031,777 and 421,890,790 shares issued and 244,137,848 and 248,996,189 shares outstanding at June 30, 2020 and December 31, 2019, respectively | 4 | 4
Additional paid-in-capital | 8,505 | 8,501
Accumulated deficit | (1,331) | (1,616)
Treasury stock, at cost - 178,893,929 and 172,894,601 shares at June 30, 2020 and December 31, 2019, respectively | (5,234) | (5,039)
Accumulated other comprehensive loss | (194) | (192)
Total Stockholders' Equity | 1,750 | 1,658
Total Liabilities and Stockholders' Equity | $ 12,337 | $ 12,531
Common stock, shares authorized (in shares) | 500,000,000 | 500,000,000
Common stock, par or value (in usd per share) | $ 0.01 | $ 0.01

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- 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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