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Revenue Local Power Company Contracts (Tables) | 3 Months Ended
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Dec. 31, 2018
Long-term Contract for Purchase of Electric Power [Line Items] |
Long-term Contracts or Programs Disclosure [Text Block] |
TVA Local Power Company Contracts At December 31, 2018
Contract Arrangements(1) | Number of LPCs |  | Sales to LPCs in the Three Months Ended December 31, 2018 (in millions) |  | Percentage of Total Operating Revenues in the Three Months Ended December 31, 2018
20-year termination notice | 3 |  |  | $ | 33 |  |  | 1.2 | %
15-year termination notice | 11 |  |  | 124 |  |  | 4.5 | %
12-year termination notice | 1 |  |  | 6 |  |  | 0.2 | %
10-year termination notice | 52 |  |  | 852 |  |  | 31.2 | %
6-year termination notice | 1 |  |  | 12 |  |  | 0.5 | %
5-year termination notice | 86 |  |  | 1,441 |  |  | 52.9 | %
Total | 154 |  |  | $ | 2,468 |  |  | 90.5 | %

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- Definition The entire disclosure for long-term contracts or programs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -URI http://asc.fasb.org/topic&trid=2145070 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -URI http://asc.fasb.org/subtopic&trid=2197326 + Details
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