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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 26 | $ 75
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 124 | 125
Expenses related to Cascade Crossing | 52 | 0
(Decrease) increase in net liabilities from price risk management activities | (16) | (64)
Regulatory deferral - price risk management activities | 16 | 63
Deferred income taxes | (1) | 43
Pension and other postretirement benefits | 20 | 14
Regulatory deferral of settled derivative instruments | 10 | 4
Decoupling mechanism deferrals, net of amortization | 5 | (4)
Power cost deferrals, net of amortization | (3) | 4
Allowance for equity funds used during construction | (4) | (3)
Other non-cash income and expenses, net | 13 | 7
Changes in working capital: |  |
Decrease in receivables | 39 | 42
Decrease (increase) in margin deposits, net | 12 | 11
Income tax refund received | 0 | 8
Decrease in payables and accrued liabilities | (13) | (57)
Other working capital items, net | 11 | (8)
Other, net | (2) | (1)
Net cash provided by operating activities | 279 | 267
Cash flows from investing activities: |  |
Capital expenditures | (260) | (137)
Proceeds from sale of solar power facility | 0 | 10
Sales of nuclear decommissioning trust securities | 14 | 13
Purchases of nuclear decommissioning trust securities | (15) | (13)
Other, net | 2 | (1)
Net cash used in investing activities | (259) | (128)
Cash flows from financing activities: |  |
Proceeds from issuance of long-term debt | 150 | 0
Payments on long-term debt | 50 | 0
Proceeds from issuance of common stock, net of issuance costs | 47 | 0
Borrowings on short-term debt | 35 | 0
Payments on short-term debt | (35) | 0
Maturities of commercial paper, net | (17) | (30)
Dividends paid | (41) | (41)
Net cash used in financing activities | 87 | (71)
Increase in cash and cash equivalents | 107 | 68
Cash and cash equivalents, beginning of period | 12 | 6
Cash and cash equivalents, end of period | 119 | 74
Supplemental cash flow information is as follows: |  |
Cash paid for interest, net of amounts capitalized | 45 | 48
Cash paid for income taxes | 6 |
Non-cash investing and financing activities: |  |
Accrued dividends payable | 21 | 21
Accrued capital additions | 34 | 14
Preliminary engineering transferred to Construction work in progress from Other noncurrent assets | 9 | 0
Debt issuance costs | $ (2) | $ 0

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- Definition The cash outflow due to repaying amounts borrowed by issuing commercial paper. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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=6943989&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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=6943989&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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=6943989&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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