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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Millions
Mar. 31, 2016
Sep. 30, 2015
Current assets    
Cash and cash equivalents $ 301 $ 300
Restricted cash and investments 0 15
Accounts receivable, net 1,233 1,600
Inventories, net 1,081 1,031
Regulatory assets 550 506
Other current assets 82 54
Total current assets 3,247 3,506
Property, plant, and equipment    
Completed plant 50,779 50,069
Less accumulated depreciation (26,947) (26,318)
Net completed plant 23,832 23,751
Construction in progress 7,625 7,147
Nuclear fuel 1,385 1,415
Capital leases 100 94
Total property, plant, and equipment, net 32,942 32,407
Investment funds 2,083 2,011
Regulatory and other long-term assets    
Regulatory assets 10,432 10,418
Other long-term assets 412 403
Total regulatory and other long-term assets 10,844 10,821
Total assets 49,116 48,745
Current liabilities    
Accounts payable and accrued liabilities 1,909 2,127
Accrued interest 380 366
Current portion of leaseback obligations 82 79
Current portion of energy prepayment obligations 100 100
Regulatory liabilities 153 164
Short-term debt, net 1,407 1,034
Current maturities of power bonds 554 32
Current maturities of long-term debt of variable interest entities 34 33
Total current liabilities 4,619 3,935
Other liabilities    
Post-retirement and post-employment benefit obligations 7,053 7,107
Asset retirement obligations 3,621 3,682
Other long-term liabilities 2,447 2,219
Leaseback obligations 477 537
Energy prepayment obligations 160 210
Regulatory liabilities 1 2
Total other liabilities 13,759 13,757
Long-term debt, net    
Long-term power bonds, net 22,049 22,617
Long-term debt of variable interest entities, net 1,216 1,233
Total long-term debt, net 23,265 23,850
Total liabilities 41,643 41,542
Proprietary capital    
Power program appropriation investment 258 258
Power program retained earnings 6,640 6,357
Total power program proprietary capital 6,898 6,615
Nonpower programs appropriation investment, net 585 590
Accumulated other comprehensive income (loss) (10) (2)
Total proprietary capital 7,473 7,203
Total liabilities and proprietary capital $ 49,116 $ 48,745