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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Sep. 30, 2011
Current assets    
Cash and cash equivalents $ 371 $ 507
Restricted cash of variable interest entity 30 0
Restricted cash and investments 11 11
Accounts receivable, net 1,262 1,739
Inventories, net 1,171 1,028
Regulatory assets 930 543
Other current assets 140 215
Total current assets 3,915 4,043
Property, plant, and equipment    
Completed plant 44,661 44,187
Less accumulated depreciation (21,378) (20,643)
Net completed plant 23,283 23,544
Construction in progress 5,067 4,662
Nuclear fuel 1,170 1,073
Capital leases 46 26
Total property, plant, and equipment, net 29,566 29,305
Investment funds 1,369 1,168
Regulatory and other long-term assets    
Regulatory assets 11,140 11,505
Other long-term assets 271 372
Total regulatory and other long-term assets 11,411 11,877
Total assets 46,261 46,393
Current liabilities    
Accounts payable and accrued liabilities 1,769 1,840
Environmental cleanup costs - Kingston ash spill 119 182
Accrued interest 428 403
Current portion of leaseback obligations 83 80
Current portion of energy prepayment obligations 104 105
Regulatory liabilities 219 280
Short-term debt, net 0 482
Current maturities of power bonds 3,166 1,537
Current maturities of long-term debt of variable interest entities 12 0
Total current liabilities 5,900 4,909
Other liabilities    
Post-retirement and post-employment benefit obligations 6,086 6,007
Asset retirement obligations 3,215 3,138
Other long-term liabilities 2,298 2,405
Leaseback obligations 1,148 1,202
Energy prepayment obligations 560 612
Environmental cleanup costs - Kingston ash spill 199 194
Regulatory liabilities 127 285
Total other liabilities 13,633 13,843
Long-term debt, net    
Long-term power bonds, net 20,753 22,412
Long-term debt of variable interest entities 988 0
Total long-term debt, net 21,741 22,412
Total liabilities 41,274 41,164
Proprietary capital    
Power program appropriation investment 298 308
Power program retained earnings 4,164 4,429
Total power program proprietary capital 4,462 4,737
Nonpower programs appropriation investment, net 625 630
Accumulated other comprehensive income (loss) (100) (138)
Total proprietary capital 4,987 5,229
Total liabilities and proprietary capital $ 46,261 $ 46,393