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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash Flows from Operating Activities |  |  |
Net Income/(Loss) | $ 268 | $ (2,337) | $ (891)
(Loss)/income from discontinued operations, net of income tax | (192) | (992) | 65
Net Income/(Loss) from Continuing Operations | 460 | (1,345) | (956)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |  |
Distributions and equity in earnings of unconsolidated affiliates | 46 | 102 | 67
Depreciation, amortization and accretion | 459 | 596 | 772
Provision for bad debts | 85 | 68 | 45
Amortization of nuclear fuel | 48 | 51 | 49
Amortization of financing costs and debt discount/premiums | 29 | 29 | 33
Adjustment for debt extinguishment | 44 | 49 | 142
Amortization of intangibles and out-of-market contracts | 45 | 54 | 68
Amortization of unearned equity compensation | 25 | 35 | 10
Net (gain)/loss on sale of assets and equity/cost method investments | (49) | (9) | 139
Impairment losses | 114 | 1,614 | 751
Changes in derivative instruments | 37 | (170) | 16
Changes in deferred income taxes and liability for uncertain tax benefits | 5 | 13 | (12)
Changes in collateral deposits in support of risk management activities | (105) | (80) | 396
Changes in nuclear decommissioning trust liability | 60 | 11 | 41
GenOn settlement, net of insurance proceeds | (63) | 0 | 0
Net loss on deconsolidation of Agua Caliente and Ivanpah projects | 13 | 0 | 0
Cash provided/(used) by changes in other working capital, net of acquisition and disposition effects: |  |  |
Accounts receivable - trade | (83) | (83) | 24
Inventory | 31 | 143 | 60
Prepayments and other current assets | (41) | (187) | (120)
Accounts payable | 113 | 44 | (59)
Accrued expenses and other current liabilities | (166) | (88) | (61)
Other assets and liabilities | (104) | 9 | 32
Cash provided/(used) by continuing operations | 1,003 | 856 | 1,437
Cash provided by discontinued operations | 374 | 754 | 471
Net Cash Provided by Operating Activities | 1,377 | 1,610 | 1,908
Cash Flows from Investing Activities |  |  |
Acquisition of businesses, net of cash acquired | (243) | (14) | 0
Capital expenditures | (388) | (254) | (544)
Proceeds from renewable energy grants | 0 | 8 | 36
Net proceeds from sale/(purchases) of emission allowances | 19 | 66 | (1)
Investments in nuclear decommissioning trust fund securities | (572) | (512) | (551)
Proceeds from sales of nuclear decommissioning trust fund securities | 513 | 501 | 510
Proceeds from sale of assets, net of cash disposed and sale of discontinued operations, net of fees | 1,564 | 430 | 241
Deconsolidation of Agua Caliente and Ivanpah projects | (268) | 0 | 0
Changes in investments in unconsolidated affiliates | (39) | (57) | (33)
Net (contributions to)/distributions from discontinued operations | (60) | 150 | (58)
Other | (6) | 22 | 31
Cash provided/(used) by continuing operations | 520 | 340 | (369)
Cash used by discontinued operations | (725) | (979) | (388)
Net Cash Used by Investing Activities | (205) | (639) | (757)
Cash Flows from Financing Activities |  |  |
Payments of dividends to preferred and common stockholders | (37) | (38) | (76)
Payments for treasury stock | (1,250) | 0 | 0
Payments for preferred shares | 0 | 0 | (226)
Payments for debt extinguishment costs | (32) | (42) | (121)
Net distributions to noncontrolling interest from subsidiaries | (16) | (30) | (27)
Proceeds/(payments) from issuance of common stock | 21 | (2) | 1
Proceeds from issuance of long-term debt | 1,100 | 1,178 | 4,412
Payments of debt issuance costs | (19) | (18) | (61)
Payments for short and long-term debt | (1,734) | (1,884) | (5,146)
Receivable from affiliate | (26) | (125) | 0
Other | (4) | (8) | (7)
Cash used by continuing operations | (1,997) | (969) | (1,251)
Cash provided/(used) by discontinued operations | 471 | (169) | 483
Net Cash (Used)/Provided by Financing Activities | (1,526) | (1,138) | (768)
Effect of exchange rate changes on cash and cash equivalents | 1 | (1) | 1
Change in Cash from discontinued operations | 120 | (394) | 566
Net (Decrease)/Increase in Cash and Cash Equivalents, Funds Deposited by Counterparties and Restricted Cash | (473) | 226 | (182)
Cash and Cash Equivalents, Funds Deposited by Counterparties and Restricted Cash at Beginning of Period | 1,086 | 860 | 1,042
Cash and Cash Equivalents, Funds Deposited by Counterparties and Restricted Cash at End of Period | $ 613 | $ 1,086 | $ 860

X
- Definition The sum of the net change during the reporting period of accrued expenses and other current liabilities. Accrued expenses is the net change during the reporting period in the aggregate amount of expenses incurred but not yet paid. Other current liabilities is the net change during the reporting period in other expenses incurred but not yet paid. + References No definition available. + Details
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- Definition The current period expense charged against earnings for the periodic recognition of the entity's ownership in nuclear fuel based on units of production over the estimated useful life. As a noncash (income) expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. + References No definition available. + Details
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- Definition The net change during the reporting period in the nuclear decommissioning trust liability, representing amounts collected, through rates or other authorized charges to electric utility customers, which are designated for funding the Company's portioning of the decommissioning of its nuclear facilities. Following the completion of the decommissioning, if surplus funds remain in the decommissioning trusts, any excess will be refunded to the respective rate payers. + References No definition available. + Details
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- Definition Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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