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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Millions
Jun. 30, 2022
Sep. 30, 2021
Current assets    
Cash and cash equivalents $ 501 $ 499
Accounts receivable, net 1,750 1,566
Inventories, net 1,013 950
Regulatory assets 389 196
Other current assets 269 287
Total current assets 3,922 3,498
Property, plant, and equipment    
Completed plant 66,234 66,411
Less accumulated depreciation (33,945) (34,663)
Net completed plant 32,289 31,748
Construction in progress 2,216 2,458
Nuclear fuel 1,494 1,566
Finance lease, asset 645 692
Total property, plant, and equipment, net 36,644 36,464
Investment funds 3,751 4,053
Regulatory and other long-term assets    
Regulatory assets 7,789 7,956
Operating Lease, Right-of-Use Asset 168 165
Other long-term assets 401 320
Total regulatory and other long-term assets 8,358 8,441
Total assets 52,675 52,456
Current liabilities    
Accounts payable and accrued liabilities 2,384 2,215
Accrued interest 249 282
Asset Retirement Obligation, Current 313 266
Finance Lease, Liability, Current 0 25
Regulatory liabilities 331 340
Short-term debt, net 1,034 780
Current maturities of power bonds 1,029 1,028
Current maturities of long-term debt of variable interest entities 44 43
Total current liabilities 5,384 4,979
Other liabilities    
Post-retirement and post-employment benefit obligations 4,791 5,045
Asset retirement obligations 6,898 6,736
Finance Lease, Liability, Noncurrent 648 687
Other long-term liabilities 1,560 2,041
Regulatory liabilities 88 40
Total other liabilities 13,985 14,549
Long-term debt, net    
Long-term power bonds, net 17,383 17,457
Long-term debt of variable interest entities, net 985 1,006
Total long-term debt, net 18,368 18,463
Total liabilities 37,737 37,991
Proprietary capital    
Power program appropriation investment 258 258
Power program retained earnings 14,167 13,689
Total power program proprietary capital 14,425 13,947
Nonpower programs appropriation investment, net 535 540
Accumulated other comprehensive income (loss) (22) (22)
Total proprietary capital 14,938 14,465
Total liabilities and proprietary capital $ 52,675 $ 52,456