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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | $ 823 |  | $ 323
Cash flows from operating activities |  |  |
Net income (loss) | 652 |  | 829
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) | 1,447 |  | 1,402
Amortization of nuclear fuel cost | 284 |  | 277
Non-cash retirement benefit expense | 243 |  | 235
Amortization of Regulatory Asset | 65 |  | 240
Changes in current assets and liabilities |  |  |
Accounts receivable, net | 376 |  | 149
Inventories and other current assets, net | (86) |  | (145)
Accounts payable and accrued liabilities | (126) |  | (217)
Accrued interest | (20) |  | (21)
Pension contributions | (230) |  | (232)
Other, net | (109) |  | (38)
Net cash provided by operating activities | 2,496 |  | 2,479
Cash flows from investing activities |  |  |
Construction expenditures | (1,221) |  | (1,292)
Nuclear fuel expenditures | (251) |  | (223)
Loans and other receivables |  |  |
Advances | (6) |  | (8)
Repayments | 5 |  | 6
Other, net | 6 |  | (16)
Net cash used in investing activities | (1,467) |  | (1,533)
Long-term debt |  |  |
Redemptions and repurchases of power bonds | (1,286) | [1] | (1,034)
Repayments of Other Long-term Debt | 20 |  | 19
Redemptions of debt of variable interest entities | (23) |  | (46)
Short-term debt issues (redemptions), net | (145) |  | 196
Payments on leases and leasebacks | (44) |  | (41)
Other, net | (3) |  | (1)
Net cash provided by (used in) financing activities | (528) |  | (945)
Net change in cash and cash equivalents | 501 |  | 1
Cash and cash equivalents at end of period | 800 |  |
Significant non-cash transactions |  |  |
Proceeds from Issuance of Debt | 997 |  | 0
Payments of Financing Costs | $ (4) |  | $ 0
[1] | (1) The 2020 Series A Power Bonds were issued at 99.7 percent of par. (2) All redemptions were at 100 percent of par.

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- Definition Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
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- Definition The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services. + 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 + 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://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=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + 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=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow for the payment of debt classified as other, maturing after one year or the 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=121586364&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://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=121586364&loc=d3e3291-108585 + Details
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