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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions | Mar. 31, 2018 | Sep. 30, 2017
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 1,193 | $ 300
Restricted cash | 13 | 0
Accounts receivable, net | 1,329 | 1,569
Inventories, net | 1,047 | 1,065
Regulatory assets | 471 | 447
Other current assets | 90 | 65
Total current assets | 4,143 | 3,446
Property, plant, and equipment |  |
Completed plant | 59,510 | 58,947
Less accumulated depreciation | (28,472) | (28,404)
Net completed plant | 31,038 | 30,543
Construction in progress | 2,525 | 2,842
Nuclear fuel | 1,354 | 1,401
Capital leases | 155 | 161
Total property, plant, and equipment, net | 35,072 | 34,947
Investment funds | 2,682 | 2,603
Regulatory and other long-term assets |  |
Regulatory assets | 8,240 | 8,698
Other long-term assets | 370 | 323
Total regulatory and other long-term assets | 8,610 | 9,021
Total assets | 50,507 | 50,017
Current liabilities |  |
Accounts payable and accrued liabilities | 1,763 | 1,940
Accrued interest | 343 | 346
Current portion of leaseback obligations | 38 | 37
Current portion of energy prepayment obligations | 60 | 100
Regulatory liabilities | 159 | 163
Short-term debt, net | 1,998 | 1,998
Other Short-term Borrowings | 4,112 | 3,815
Current maturities of power bonds | 2,031 | 1,728
Current maturities of long-term debt of variable interest entities | 37 | 36
Current maturities of notes payable | 46 | 53
Total current liabilities | 6,475 | 6,401
Other liabilities |  |
Post-retirement and post-employment benefit obligations | 5,310 | 5,477
Asset retirement obligations | 4,247 | 4,176
Other long-term liabilities | 2,826 | 3,055
Leaseback obligations | 264 | 302
Energy prepayment obligations | 0 | 10
Regulatory liabilities | 19 | 25
Total other liabilities | 12,666 | 13,045
Long-term debt, net |  |
Long-term power bonds, net | 20,241 | 20,205
Long-term debt of variable interest entities, net | 1,146 | 1,164
Long-term notes payable | 47 | 69
Total long-term debt, net | 21,434 | 21,438
Total liabilities | 40,575 | 40,884
Proprietary capital |  |
Power program appropriation investment | 258 | 258
Power program retained earnings | 9,033 | 8,282
Total power program proprietary capital | 9,291 | 8,540
Nonpower programs appropriation investment, net | 568 | 572
Accumulated other comprehensive income (loss) | 73 | 21
Total proprietary capital | 9,932 | 9,133
Total liabilities and proprietary capital | $ 50,507 | $ 50,017

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- Definition Appropriated funds advanced and property transferred to/from the reporting entity by the U.S. government for programs (exclusive of the power program) and program income received offset by expenses incurred in the administration of these programs. + References No definition available. + Details
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying amount as of the balance sheet of nuclear fuel held as property plant and equipment. This amount is net of amortization based on the energy produced over the life of the fuel. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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