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Related Parties Related Parties (Tables) | 12 Months Ended
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Sep. 30, 2014
Related Party Transactions [Abstract] |
Related Party Transactions | Transactions with agencies of the federal government were as follows:
Related Party Transactions For the years ended, or at, September 30
| 2014 |  | 2013 |  | 2012
Revenue from sales of electricity | $ | 128 |  |  | $ | 120 |  |  | $ | 117 |
Other income | 137 |  |  | 102 |  |  | 164 |
Operating and maintenance | 286 |  |  | 314 |  |  | 375 |
Cash and cash equivalents | 35 |  |  | 38 |  |  | 32 |
Accounts receivable, net | 85 |  |  | 58 |  |  | 49 |
Accounts payable and accrued liabilities | 146 |  |  | 133 |  |  | 204 |
Long-term power bonds, net | 3 |  |  | — |  |  | — |
Return on Power Program Appropriation Investment | 4 |  |  | 7 |  |  | 7 |
Return of Power Program Appropriation Investment | 10 |  |  | 20 |  |  | 20 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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