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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities |  |
Net income (loss) | $ (37) | $ 81
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |
Depreciation and amortization (including amortization of debt issuance costs and premiums/discounts) | 472 | 463
Amortization of nuclear fuel cost | 63 | 72
Non-cash retirement benefit expense | 82 | 84
Prepayment credits applied to revenue | (25) | (25)
Fuel cost adjustment deferral | 37 | (6)
Fuel cost tax equivalents | (7) | (9)
Changes in current assets and liabilities |  |
Accounts receivable, net | 375 | 311
Inventories and other, net | (104) | (120)
Accounts payable and accrued liabilities | (246) | (348)
Accrued interest | (22) | (42)
Regulatory assets costs | (11) | (12)
Insurance recoveries | 7 | 50
Other, net | (68) | (26)
Net cash provided by operating activities | 516 | 473
Cash flows from investing activities |  |
Construction expenditures | (866) | (751)
Nuclear fuel expenditures | (101) | (219)
Loans and other receivables |  |
Advances | (2) | (10)
Repayments | 1 | 2
Other, net | 0 | (20)
Net cash used in investing activities | (968) | (998)
Long-term debt |  |
Redemptions and repurchases of power bonds | (4) | (4)
Short-term debt issues (redemptions), net | 470 | 521
Payments on leases and leasebacks | (2) | (2)
Payments to U.S. Treasury | (2) | (1)
Other, net | 1 | 10
Net cash provided by (used in) financing activities | 463 | 524
Net change in cash and cash equivalents | 11 | (1)
Cash and cash equivalents at beginning of period | 300 | 500
Cash and cash equivalents at end of period | 311 | 499
Significant non-cash transactions |  |
Capital Expenditures Incurred but Not yet Paid | $ 372 | $ 237

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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + 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 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 Reference 3: 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=56944662&loc=d3e3098-108585 + Details
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- References No definition available. + Details
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- Definition The net cash inflow or outflow for 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A -Subsection 1 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, 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=56944662&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + 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=56944662&loc=d3e3291-108585 + Details
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