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Other Long-Term Assets (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Sep. 30, 2013
--- | --- | ---
Other Long-Term Assets |  |
EnergyRight receivables | $ 118 | $ 117
Unamortized Debt Issuance Expense | 74 | 75
Loans and other long-term receivables, net | 79 | 73
Coal contract derivative assets | 0 | 1
Prepaid Expense Other, Noncurrent | 60 | 62
Currency swap asset, net | 4 | 28
Other | 92 | 89
Total other long-term assets | 427 | 445
Energy Right Program |  |
Other Long-Term Assets |  |
Energy Right loans receivable, net of discount | $ 151 | $ 150

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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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