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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Operating Activities    
Net income (loss) $ (1,173) $ 159
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Impairment of assets and other charges 371 4
Provision for refunds to customers 950 0
Deferred income taxes, net (434) 58
Depreciation and amortization 223 165
Amortization of nuclear fuel 27 27
Other adjustments (4) (7)
Changes in certain assets and liabilities:    
Receivables - affiliated and related party (3) (12)
Income tax receivable 0 (8)
Inventories (48) (11)
Prepayments (29) (34)
Regulatory assets 187 (9)
Regulatory liabilities 195 (107)
Accounts payable (72) (19)
Accounts payable - affiliated and related party 17 8
Revenue subject to refund (63) 156
Taxes accrued (65) (93)
Other assets (138) (131)
Other liabilities 59 55
Net cash provided by operating activities 0 201
Investing Activities    
Property additions and construction expenditures (226) (464)
Proceeds from investments and sales of assets 12 31
Purchase of investments (23) (17)
Purchase of investments - affiliate 0 (113)
Proceeds from interest rate derivative contract settlement 0 115
Investment in affiliate, net 343 (75)
Net cash provided by (used in) investing activities 106 (523)
Financing Activities    
Proceeds from issuance of debt 0 100
Proceeds from issuance of affiliated debt 230 0
Repayment of long-term debt, including redemption premiums (1,247) (170)
Dividend to parent (30) (156)
Contribution from parent 775 20
Contribution returned to parent (20) 0
Money pool borrowings, net 4 150
Short-term borrowings, net (73) 205
Net cash provided by (used in) financing activities (361) 149
Net decrease in cash, restricted cash and equivalents (255) (173)
Cash, restricted cash and equivalents at beginning of period 377 395
Cash, restricted cash and equivalents at end of period 122 222
Noncash investing and financing activities:    
Accrued construction expenditures [1] 39 19
Leases [1],[2] $ 5 $ 0
[1] See Note 1 for noncash investing and financing activities related to the adoption of a new accounting standard for leasing arrangements.
[2] Includes $3 million of financing leases and $2 million of operating leases.