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Other Long-Term Assets (Tables) | 3 Months Ended
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Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Long-Term Assets | The table below summarizes the types and amounts of TVA’s other long-term assets:
Other Long-Term Assets
| At December 31, 2012 |  | At September 30, 2012
EnergyRight® receivables | $ | 117 |  |  | $ | 115 |
Coal contract derivative assets | 97 |  |  | 107 |
Loans and other long-term receivables, net | 80 |  |  | 76 |
Currency swap asset | 34 |  |  | 21 |
Other | 194 |  |  | 190 |
Total other long-term assets | $ | 522 |  |  | $ | 509 |

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
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