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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Operating activities |  |
Net income | $ 708 | $ 673
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation and amortization | 1,210 | 1,043
Nuclear fuel amortization | 61 | 56
Deferred income taxes | (135) | (67)
Allowance for equity funds used during construction | (33) | (32)
Earnings from equity method investments | (26) | (34)
Dividends from equity method investments | 20 | 21
Provision for bad debts | 30 | 27
Share-based compensation expense | 14 | 21
Changes in operating assets and liabilities: |  |
Accounts receivable | (97) | (63)
Accrued unbilled revenues | 70 | 14
Inventories | (44) | 7
Other current assets | 26 | 24
Accounts payable | 137 | (15)
Net regulatory assets and liabilities | 213 | (794)
Other current liabilities | (134) | (265)
Pension and other employee benefit obligations | (32) | (128)
Other, net | 0 | 1
Net cash provided by operating activities | 1,988 | 489
Investing activities |  |
Capital/construction expenditures | (2,040) | (1,967)
Purchase of investment securities | (787) | (628)
Proceeds from the sale of investment securities | 769 | 410
Other, net | 3 | (17)
Net cash used in investing activities | (2,055) | (2,202)
Financing activities |  |
(Repayments of) proceeds from short-term borrowings, net | (869) | 1,161
Proceeds from issuances of long-term debt | 2,066 | 1,821
Repayments of long-term debt, including reacquisition premiums | (600) | (399)
Proceeds from issuance of common stock | 151 | 11
Dividends paid | (497) | (460)
Other, net | (15) | (12)
Net cash provided by financing activities | 236 | 2,122
Net change in cash, cash equivalents and restricted cash | 169 | 409
Cash, cash equivalents and restricted cash at beginning of period | 166 | 129
Cash, cash equivalents and restricted cash at end of period | 335 | 538
Supplemental disclosure of cash flow information: |  |
Cash paid for interest (net of amounts capitalized) | (425) | (390)
Cash paid for income taxes, net | (9) | (5)
Supplemental disclosure of non-cash investing and financing transactions: |  |
Accrued property, plant and equipment additions | 401 | 509
Inventory transfers to property, plant and equipment | 30 | 43
Operating lease right-of-use assets | 15 | 1
Allowance for equity funds used during construction | 33 | 32
Issuance of common stock for reinvested dividends and/or equity awards | $ 27 | $ 35

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