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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities: |  |  |
Net income | $ 187 | $ 193 | $ 172
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 345 | 321 | 305
Deferred income taxes | 70 | 37 | 40
Allowance for equity funds used during construction | (12) | (21) | (21)
Pension and other postretirement benefits | 24 | 28 | 34
Unrealized losses on non-qualified benefit plan trust assets | 2 | 5 | 6
Decoupling mechanism deferrals, net of amortization | (22) | (6) | 14
Other non-cash income and expenses, net | 29 | 7 | 22
Changes in working capital: |  |  |
(Increase) in receivables and unbilled revenues | (3) | (9) | (11)
(Increase) decrease in margin deposits | (3) | 25 | (22)
Increase in payables and accrued liabilities | 5 | 15 | 6
Other working capital items, net | 1 | (4) | (4)
Contribution to non-qualified employee benefit trust | (8) | (10) | (9)
Other, net | (18) | (28) | (12)
Net cash provided by operating activities | 597 | 553 | 520
Cash flows from investing activities: |  |  |
Capital expenditures | (514) | (584) | (598)
Purchases of nuclear decommissioning trust securities | (18) | (25) | (19)
Sales of nuclear decommissioning trust securities | 21 | 27 | 22
Distribution from nuclear decommissioning trust | 0 | 0 | 50
Sales tax refund received - Tucannon River Wind Farm | 0 | 0 | 23
Other, net | (3) | (3) | 0
Net cash used in investing activities | (514) | (585) | (522)
Cash flows from financing activities: |  |  |
Proceeds from issuance of long-term debt | 225 | 290 | 145
Payments on long-term debt | (150) | (133) | (442)
Proceeds from issuance of common stock, net of issuance costs | 0 | 0 | 271
(Maturities) issuances of commercial paper, net | 0 | (6) | 6
Dividends paid | (118) | (110) | (97)
Other | (7) | (7) | (4)
Net cash (used in) provided by financing activities | (50) | 34 | (121)
Increase (decrease) in cash and cash equivalents | 33 | 2 | (123)
Cash and cash equivalents, beginning of year | 6 | 4 | 127
Cash and cash equivalents, end of year | 39 | 6 | 4
Supplemental disclosures of cash flow information: |  |  |
Cash paid for interest, net of amounts capitalized | 110 | 104 | 108
Cash paid for income taxes | 18 | 16 | 3
Non-cash investing and financing activities: |  |  |
Accrued capital additions | 53 | 50 | 32
Accrued dividends payable | 31 | 30 | 28
Assets obtained under leasing arrangements | $ 87 | $ 78 | $ 0

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- Definition The deferral, which can be either a positive or negaitive amount depending on whether a collection from or refund to customers results, of the amounts recorded in net income for energy useage by customers on a weather adjusted basis that is different from base rates as determined under the Company's decoupling mechanism, expected to be recovered or refunded in future periods. + References No definition available. + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + Details
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- Definition The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
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- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of unrealized gain (loss) recognized in the income statement on unsold other securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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