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Other Income (Expense), Net | 6 Months Ended
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Mar. 31, 2013
Other Income and Expenses [Abstract] |
Other Income (Expense), Net | Other Income (Expense), Net Income and expenses not related to TVA’s operating activities are summarized in the following table:
Other Income (Expense), Net
| For the Three Months Ended March 31 |  | For the Six Months Ended March 31
| 2013 |  | 2012 |  | 2013 |  | 2012
Interest income | $ | 6 |  |  | $ | 2 |  |  | $ | 11 |  |  | $ | 4 |
External services | 4 |  |  | (1 | ) |  | 11 |  |  | 3 |
Gains (losses) on investments | 2 |  |  | 2 |  |  | 3 |  |  | 4 |
Miscellaneous | (1 | ) |  | (17 | ) |  | 1 |  |  | (16 | )
Total other income (expense), net | $ | 11 |  |  | $ | (14 | ) |  | $ | 26 |  |  | $ | (5 | )

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3, 6, 7, 9 -Article 5 + Details
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