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Revenue (Tables) | 9 Months Ended
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Jun. 30, 2019
Revenue from Contract with Customer [Abstract] |
State [Table Text Block] | TVA’s revenues by state for the three and nine months ended June 30, 2019 and 2018 are detailed in the table below:
Operating Revenues By State (in millions)
| Three Months Ended June 30 |  | Nine Months Ended June 30
| 2019 |  | 2018 |  | 2019 |  | 2018
Alabama | $ | 367 |  |  | $ | 383 |  |  | $ | 1,146 |  |  | $ | 1,152 |
Georgia | 59 |  |  | 59 |  |  | 196 |  |  | 196 |
Kentucky | 157 |  |  | 171 |  |  | 498 |  |  | 504 |
Mississippi | 250 |  |  | 258 |  |  | 751 |  |  | 746 |
North Carolina | 15 |  |  | 14 |  |  | 56 |  |  | 49 |
Tennessee | 1,705 |  |  | 1,771 |  |  | 5,273 |  |  | 5,252 |
Virginia | 10 |  |  | 11 |  |  | 35 |  |  | 37 |
Subtotal | 2,563 |  |  | 2,667 |  |  | 7,955 |  |  | 7,936 |
Off-system sales | 2 |  |  | 2 |  |  | 3 |  |  | 6 |
Revenue capitalized during pre-commercial plant operations(1) | — |  |  | — |  |  | — |  |  | (11 | )
Revenue from sales of electricity | 2,565 |  |  | 2,669 |  |  | 7,958 |  |  | 7,931 |
Other revenues | 39 |  |  | 38 |  |  | 121 |  |  | 117 |
Total operating revenues | $ | 2,604 |  |  | $ | 2,707 |  |  | $ | 8,079 |  |  | $ | 8,048 |
Note (1) Represents revenue capitalized during pre-commercial operations of less than $1 million and $11 million for the three and nine months ended June 30, 2018, respectively. See Note 1 — Pre-Commercial Plant Operations.

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