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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 345 | $ 563
Funds deposited by counterparties | 32 | 33
Restricted cash | 8 | 17
Accounts receivable, net | 1,025 | 1,024
Inventory | 383 | 412
Derivative instruments | 860 | 764
Cash collateral posted in support of energy risk management activities | 190 | 287
Prepayments and other current assets | 245 | 302
Current assets - held-for-sale | 0 | 1
Current assets - discontinued operations | 0 | 197
Total current assets | 3,088 | 3,600
Property, plant and equipment, net | 2,593 | 3,048
Other Assets |  |
Equity investments in affiliates | 388 | 412
Operating lease right-of-use assets, net | 464 |
Goodwill | 579 | 573
Intangible assets, net | 789 | 591
Nuclear decommissioning trust fund | 794 | 663
Derivative instruments | 310 | 317
Deferred income taxes | 3,286 | 46
Other non-current assets | 240 | 289
Non-current assets - held-for-sale | 0 | 77
Non-current assets - discontinued operations | 0 | 1,012
Total other assets | 6,850 | 3,980
Total Assets | 12,531 | 10,628
Current Liabilities |  |
Current portion of long-term debt and finance leases | 88 | 72
Current portion of operating lease liabilities | 73 |
Accounts payable | 722 | 863
Derivative instruments | 781 | 673
Cash collateral received in support of energy risk management activities | 32 | 33
Accrued expenses and other current liabilities | 663 | 680
Current liabilities - held for sale | 0 | 5
Current liabilities - discontinued operations | 0 | 72
Total current liabilities | 2,359 | 2,398
Other Liabilities |  |
Long-term debt and finance leases | 5,803 | 6,449
Non-current operating lease liabilities | 483 |
Nuclear decommissioning reserve | 298 | 282
Nuclear decommissioning trust liability | 487 | 371
Derivative instruments | 322 | 304
Deferred income taxes | 17 | 65
Other non-current liabilities | 1,084 | 1,274
Non-current liabilities - held-for-sale |  | 65
Non-current liabilities - held-for-sale | 0 | 65
Non-current liabilities - discontinued operations | 0 | 635
Total other liabilities | 8,494 | 9,445
Total Liabilities | 10,853 | 11,843
Redeemable noncontrolling interest in subsidiaries | 20 | 19
Commitments and Contingencies |  |
Stockholders' Equity |  |
Common stock; $0.01 par value; 500,000,000 shares authorized; 421,890,790 and 420,288,886 shares issued; and 248,996,189 and 283,650,039 shares outstanding at December 31, 2019 and 2018 | 4 | 4
Additional paid-in capital | 8,501 | 8,510
Accumulated deficit | (1,616) | (6,022)
Treasury stock, at cost; 172,894,601 and 136,638,847 shares at December 31, 2019 and 2018 | (5,039) | (3,632)
Accumulated other comprehensive loss | (192) | (94)
Total Stockholders' Equity | 1,658 | (1,234)
Total Liabilities and Stockholders' Equity | $ 12,531 | $ 10,628

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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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- Definition Total of noncurrent other assets held by public utility entities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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