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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2016
Sep. 30, 2015
Current assets    
Cash and cash equivalents $ 300 $ 300
Restricted cash and investments 0 15
Accounts receivable, net 1,747 1,600
Inventories, net 993 1,031
Regulatory assets 536 506
Other current assets 68 54
Total current assets 3,644 3,506
Property, plant, and equipment    
Completed plant 51,564 50,069
Less accumulated depreciation (27,592) (26,318)
Net completed plant 23,972 23,751
Construction in progress 8,458 7,147
Nuclear fuel 1,450 1,415
Capital leases 163 94
Total property, plant, and equipment, net 34,043 32,407
Investment funds 2,257 2,011
Regulatory and other long-term assets    
Regulatory assets 10,164 10,418
Other long-term assets 386 403
Total regulatory and other long-term assets 10,550 10,821
Total assets 50,494 48,745
Current liabilities    
Accounts payable and accrued liabilities 2,163 2,127
Accrued interest 363 366
Current portion of leaseback obligations 58 79
Current portion of energy prepayment obligations 100 100
Regulatory liabilities 154 164
Short-term debt, net 1,407 1,034
Current maturities of power bonds 1,555 32
Current maturities of long-term debt of variable interest entities 35 33
Current maturities of notes payable 27 0
Total current liabilities 5,862 3,935
Other liabilities    
Post-retirement and post-employment benefit obligations 6,929 7,107
Asset retirement obligations 3,840 3,682
Other long-term liabilities 2,776 2,221
Leaseback obligations 409 537
Energy prepayment obligations 110 210
Total other liabilities 14,064 13,757
Long-term debt, net    
Long-term power bonds, net 20,901 22,617
Long-term debt of variable interest entities, net 1,199 1,233
Long-term notes payable 48 0
Total long-term debt, net 22,148 23,850
Total liabilities 42,074 41,542
Commitments and contingencies (Note 22)
Proprietary capital    
Power program appropriation investment 258 258
Power program retained earnings 7,594 6,357
Total power program proprietary capital 7,852 6,615
Nonpower programs appropriation investment, net 580 590
Accumulated other comprehensive income (loss) (12) (2)
Total proprietary capital 8,420 7,203
Total liabilities and proprietary capital $ 50,494 $ 48,745