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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2021
Sep. 30, 2020
Current assets    
Cash and Cash Equivalents, at Carrying Value $ 499 $ 500
Accounts receivable, net 1,566 1,529
Inventories, net 950 1,003
Regulatory assets 196 130
Other current assets 287 84
Total current assets 3,498 3,246
Property, plant, and equipment    
Completed plant 66,411 64,970
Less accumulated depreciation (34,663) (33,550)
Net completed plant 31,748 31,420
Construction in progress 2,458 2,139
Nuclear fuel 1,566 1,504
Finance lease, Right-of-Use-Asset 692 516
Total property, plant, and equipment, net 36,464 35,579
Long-term Investments 4,053 3,198
Regulatory and other long-term assets    
Regulatory assets 7,956 10,245
Operating Lease, Right-of-Use Asset 165 232
Other long-term assets 320 325
Total regulatory and other long-term assets 8,441 10,802
Total assets 52,456 52,825
Current liabilities    
Accounts payable and accrued liabilities 2,215 1,844
Accrued interest 282 298
Asset Retirement Obligation, Current 266 345
Leaseback obligations, current 25 198
Regulatory liabilities 340 141
Short-term debt, net of discounts 780 57
Total Current maturities of power bonds issued at par 1,028 1,787
Current maturities of long-term debt of variable interest entities issued at par 43 41
Current maturities of notes payable 0 0
Total current liabilities 4,979 4,711
Other liabilities    
Post-retirement and post-employment benefit obligations 5,045 6,617
Asset retirement obligations 6,736 6,440
Other long-term liabilities 2,041 2,548
Leaseback obligations, noncurrent 0 25
Non-current regulatory liabilities 40 23
Total other liabilities 14,549 16,178
Long-term debt, net    
Long-term power bonds, net 17,457 17,956
Long-term debt of variable interest entities, net 1,006 1,048
Total long-term debt, net 18,463 19,004
Total liabilities 37,991 39,893
Proprietary capital    
Power program appropriation investment 258 258
Power program retained earnings 13,689 12,177
Total power program proprietary capital 13,947 12,435
Nonpower programs appropriation investment, net 540 548
Accumulated other comprehensive income (loss) (22) (51)
Total proprietary capital 14,465 12,932
Total liabilities and proprietary capital 52,456 52,825
Finance Lease, Liability, Noncurrent $ 687 $ 525