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Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |
Net income | $ 214 | $ 212 | $ 187
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 409 | 382 | 345
Deferred income taxes | 6 | (17) | 70
Allowance for equity funds used during construction | (10) | (11) | (12)
Pension and other postretirement benefits | 21 | 30 | 24
Decoupling mechanism deferrals, net of amortization | (2) | (2) | (22)
(Amortization) Deferral of net benefits due to Tax Reform | (23) | 45 | 0
Share-based Payment Arrangement, Noncash Expense | 9 | 5 | 7
Other non-cash income and expenses, net | 34 | 16 | 24
Changes in working capital: |  |  |
Decrease (increase) in receivables and unbilled revenues | 30 | (29) | (3)
(Increase) in margin deposits | 0 | (5) | (3)
(Decrease) increase in payables and accrued liabilities | (16) | 51 | 5
Other working capital items, net | (12) | (11) | 1
Contribution to non-qualified employee benefit trust | (11) | (11) | (8)
Contribution to pension and other postretirement plans | (65) | (12) | (5)
Other, net | (38) | (13) | (13)
Net cash provided by operating activities | 546 | 630 | 597
Cash flows from investing activities: |  |  |
Capital expenditures | (606) | (595) | (514)
Purchases of nuclear decommissioning trust securities | (8) | (12) | (18)
Sales of nuclear decommissioning trust securities | 13 | 15 | 21
Proceeds from Carty Settlement | 0 | 120 | 0
Other, net | (3) | 1 | (3)
Net cash used in investing activities | (604) | (471) | (514)
Cash flows from financing activities: |  |  |
Proceeds from issuance of long-term debt | 470 | 75 | 225
Payments on long-term debt | (350) | (24) | (150)
Debt extinguishment costs | (9) | 0 | 0
Dividends paid | (134) | (125) | (118)
Other | (8) | (5) | (7)
Net cash used in financing activities | (31) | (79) | (50)
(Decrease) increase in cash and cash equivalents | (89) | 80 | 33
Cash and cash equivalents, beginning of year | 119 | 39 | 6
Cash and cash equivalents, end of year | 30 | 119 | 39
Supplemental disclosures of cash flow information: |  |  |
Cash paid for interest, net of amounts capitalized | 116 | 117 | 110
Cash paid for income taxes | 33 | 25 | 18
Non-cash investing and financing activities: |  |  |
Accrued capital additions | 76 | 61 | 53
Accrued dividends payable | 36 | 34 | 31
Assets obtained under leasing arrangements | $ 210 | $ 24 | $ 87

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- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21B -URI http://asc.fasb.org/extlink&oid=118932676&loc=SL94080549-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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