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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Millions
Jun. 30, 2024
Sep. 30, 2023
Current assets    
Cash and cash equivalents $ 501 $ 501
Accounts receivable, net 1,678 1,745
Inventories, net 1,191 1,108
Regulatory assets 178 178
Other current assets 142 134
Total current assets 3,690 3,666
Property, plant, and equipment    
Completed plant 70,839 68,199
Less accumulated depreciation (38,517) (35,871)
Property, Plant, and Equipment, Owned, Net 32,322 32,328
Construction in progress 4,133 3,238
Nuclear fuel 1,308 1,344
Finance lease, asset 750 572
Total property, plant, and equipment, net 38,513 37,482
Investment funds 4,693 4,123
Regulatory and other long-term assets    
Regulatory assets 8,809 5,566
Operating Lease, Right-of-Use Asset 160 177
Other long-term assets 335 330
Investments and Other Noncurrent Assets 9,304 6,073
Total assets 56,200 51,344
Current liabilities    
Accounts payable and accrued liabilities 2,711 2,618
Accrued interest 255 272
Asset Retirement Obligation, Current 283 272
Regulatory liabilities 182 222
Short-term debt, net 1,112 432
Current maturities of power bonds 2,022 1,022
Current maturities of long-term debt of variable interest entities 36 35
Total current liabilities 6,601 4,873
Other liabilities    
Post-retirement and post-employment benefit obligations 2,375 2,527
Asset retirement obligations 10,488 7,217
Finance Lease, Liability 729 576
Other long-term liabilities 1,490 1,211
Regulatory liabilities 91 107
Liabilities, Other than Long-Term Debt, Noncurrent 15,173 11,638
Long-term debt, net    
Long-term power bonds, net 16,848 17,844
Long-term debt of variable interest entities, net 915 933
Total long-term debt, net 17,763 18,777
Total liabilities 39,537 35,288
Proprietary capital    
Power program appropriation investment 258  
Power program retained earnings 15,917  
Total power program proprietary capital 16,175 15,560
Nonpower programs appropriation investment, net 520  
Accumulated other comprehensive income (loss) (32)  
Total proprietary capital 16,663 16,056
Liabilities and Equity $ 56,200 $ 51,344