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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Operating Activities    
Net income (loss) $ 160 $ (1,173)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Impairment of assets and other charges 2 371
Provision for refunds to customers 0 950
Deferred income taxes, net 61 (434)
Depreciation and amortization 236 223
Amortization of nuclear fuel 21 27
Other adjustments 7 (4)
Changes in certain assets and liabilities:    
Receivables (23) 0
Receivables - affiliated and related party 5 (3)
Inventories (3) (48)
Prepayments (30) (29)
Pension and other postretirement benefits (3) 0
Regulatory assets 3 187
Regulatory liabilities (111) 195
Accounts payable (35) (72)
Accounts payable - affiliated and related party 4 17
Revenue subject to refund 0 (63)
Taxes accrued (97) (65)
Interest accrued 3 0
Other assets and liabilities (12) (79)
Net cash provided by operating activities 188 0
Investing Activities    
Property additions and construction expenditures (330) (226)
Proceeds from investments and sales of assets 5 12
Purchase of investments (5) (23)
Purchase of investments - affiliated (1) 0
Short-term investments - affiliated 9 343
Net cash provided by (used in) investing activities (322) 106
Financing Activities    
Proceeds from issuance of affiliated debt 0 230
Repayment of long-term debt, including redemption premiums 0 (1,247)
Dividend to parent 0 (30)
Contribution from parent 0 775
Contribution returned to parent 0 (20)
Money pool borrowings, net 0 4
Short-term borrowings, net 0 (73)
Short-term borrowings - affiliated, net 141 0
Other (4) 0
Net cash provided by (used in) financing activities 137 (361)
Net increase (decrease) in cash, restricted cash and equivalents 3 (255)
Cash, restricted cash and equivalents at beginning of period [1] 4 377
Cash, restricted cash and equivalents at end of period [1] 7 122
Significant noncash investing and financing activities:    
Accrued construction expenditures 41 39
Leases [2] $ 2 $ 5
[1] At June 30, 2020, June 30, 2019, December 31, 2019 and December 31, 2018 there were no restricted cash and equivalent balances.
[2] Includes $2 million of financing leases for the six months ended June 30, 2020 and $3 million of financing leases and $2 million of operating leases for the six months ended June 30, 2019.