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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Operating activities |  |
Net income | $ 1,282 | $ 1,185
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation and amortization | 1,597 | 1,459
Nuclear fuel amortization | 86 | 94
Deferred income taxes | (9) | 45
Allowance for equity funds used during construction | (53) | (91)
Earnings from equity method investments | (47) | (29)
Dividends from equity method investments | 31 | 32
Provision for bad debts | 53 | 39
Share-based compensation expense | 20 | 60
Changes in operating assets and liabilities: |  |
Accounts receivable | (152) | (108)
Accrued unbilled revenues | 58 | 124
Inventories | (82) | (37)
Other current assets | 8 | (68)
Accounts payable | 61 | (97)
Net regulatory assets and liabilities | (997) | (139)
Other current liabilities | (22) | (54)
Pension and other employee benefit obligations | (131) | (138)
Other, net | (124) | (103)
Net cash provided by operating activities | 1,579 | 2,174
Investing activities |  |
Capital/construction expenditures | (3,032) | (3,681)
Proceeds from Sales of Business, Affiliate and Productive Assets | 0 | 684
Purchase of investment securities | (540) | (1,275)
Proceeds from the sale of investment securities | 531 | 1,260
Other, net | (24) | (9)
Net cash used in investing activities | (3,065) | (3,021)
Financing activities |  |
Proceeds from (repayments of) short-term borrowings, net | 1,163 | (95)
Proceeds from issuances of long-term debt | 1,920 | 2,940
Repayments of long-term debt, including reacquisition premiums | (399) | (701)
Proceeds from issuance of common stock | 13 | 5
Dividends paid | (698) | (638)
Other, net | (11) | (27)
Net cash provided by financing activities | 1,988 | 1,484
Net change in cash, cash equivalents and restricted cash | 502 | 637
Cash, cash equivalents and restricted cash at beginning of period | 129 | 248
Cash, cash equivalents and restricted cash at end of period | 631 | 885
Supplemental disclosure of cash flow information: |  |
Cash paid for interest (net of amounts capitalized) | (592) | (582)
Cash paid for income taxes, net | (6) | (17)
Supplemental disclosure of non-cash investing and financing transactions: |  |
Accrued property, plant and equipment additions | 476 | 933
Inventory transfers to property, plant and equipment | 87 | 250
Operating lease right-of-use assets | 4 | 361
Allowance for equity funds used during construction | 53 | 91
Issuance of common stock for reinvested dividends and/or equity awards | $ 26 | $ 51

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