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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Millions
Mar. 31, 2022
Sep. 30, 2021
Current assets    
Cash and cash equivalents $ 501 $ 499
Accounts receivable, net 1,353 1,566
Inventories, net 988 950
Regulatory assets 109 196
Other current assets 304 287
Total current assets 3,255 3,498
Property, plant, and equipment    
Completed plant 67,005 66,411
Less accumulated depreciation (35,158) (34,663)
Net completed plant 31,847 31,748
Construction in progress 2,570 2,458
Nuclear fuel 1,490 1,566
Finance lease, asset 661 692
Total property, plant, and equipment, net 36,568 36,464
Investment funds 4,200 4,053
Regulatory and other long-term assets    
Regulatory assets 7,596 7,956
Operating Lease, Right-of-Use Asset 178 165
Other long-term assets 359 320
Total regulatory and other long-term assets 8,133 8,441
Total assets 52,156 52,456
Current liabilities    
Accounts payable and accrued liabilities 2,054 2,215
Accrued interest 294 282
Asset Retirement Obligation, Current 332 266
Finance Lease, Liability, Current 0 25
Regulatory liabilities 357 340
Short-term debt, net 684 780
Current maturities of power bonds 1,028 1,028
Current maturities of long-term debt of variable interest entities 44 43
Total current liabilities 4,793 4,979
Other liabilities    
Post-retirement and post-employment benefit obligations 4,863 5,045
Asset retirement obligations 6,863 6,736
Finance Lease, Liability, Noncurrent 662 687
Other long-term liabilities 1,801 2,041
Regulatory liabilities 53 40
Total other liabilities 14,242 14,549
Long-term debt, net    
Long-term power bonds, net 17,448 17,457
Long-term debt of variable interest entities, net 984 1,006
Total long-term debt, net 18,432 18,463
Total liabilities 37,467 37,991
Proprietary capital    
Power program appropriation investment 258 258
Power program retained earnings 13,910 13,689
Total power program proprietary capital 14,168 13,947
Nonpower programs appropriation investment, net 537 540
Accumulated other comprehensive income (loss) (16) (22)
Total proprietary capital 14,689 14,465
Total liabilities and proprietary capital $ 52,156 $ 52,456