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Debt and Other Obligations Debt and Other Obligations - Debt Outstanding (Details) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2015 USD ($) Electronotes | Sep. 30, 2014 USD ($)
Short-term debt |  |  |
Short-term debt, net of discounts |  | $ 1,034 | $ 596
Current maturities of long-term debt of variable interest entities |  | 33 | 32
Current maturities of power bonds |  | 32 | 1,032
Total current debt outstanding, net |  | 1,099 | 1,660
Long-term debt |  |  |
Unamortized discount, premiums and other |  | (108) | (89)
Long-term debt of variable interest entities |  | 1,246 | 1,279
Total long-term debt, net |  | 23,930 | 23,227
Long-term power bonds, net |  | 22,684 | 21,948
Long-term power bonds | [1] | 22,792 | 22,037
Current maturities of power bonds |  | 32 | 1,032
Foreign currency exchange loss |  | $ 21 | (44)
Number of issues with partial maturities | Electronotes |  | 1 |
880591DS8 |  |  |
Debt Instrument |  |  |
Maturity |  | Dec. 15, 2016 |
Coupon rate |  | 4.875% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 524 | 524
Electronotes |  |  |
Long-term debt |  |  |
Long-term power bonds, net | [2] | $ 325 | 387
Maturity date - earliest |  | May 15, 2020 |
Maturity date - latest |  | Feb. 15, 2043 |
Coupon rate - minimum |  | 2.375% |
Coupon rate - maximum |  | 4.375% |
Call date - earliest |  | Feb. 15, 2015 |
Call date - latest |  | Feb. 15, 2018 |
880591EE8 |  |  |
Debt Instrument |  |  |
Maturity |  | Nov. 15, 2015 |
Coupon rate |  | 2.25% |
Long-term debt |  |  |
Long-term power bonds, net | [3] | $ 0 | 2
880591EA6 |  |  |
Debt Instrument |  |  |
Maturity |  | Jul. 18, 2017 |
Coupon rate |  | 5.50% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591CU4 |  |  |
Debt Instrument |  |  |
Maturity |  | Dec. 15, 2017 |
Coupon rate |  | 6.25% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 650 | 650
880591EC2 |  |  |
Debt Instrument |  |  |
Maturity |  | Apr. 01, 2018 |
Coupon rate |  | 4.50% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591EQ1 |  |  |
Debt Instrument |  |  |
Maturity |  | Oct. 15, 2018 |
Coupon rate |  | 1.75% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591EL2 |  |  |
Debt Instrument |  |  |
Maturity |  | Feb. 15, 2021 |
Coupon rate |  | 3.875% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,500 | 1,500
880591DC3 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 07, 2021 |
Coupon rate | [4] | 5.805% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 303 | 324
880591EN8 |  |  |
Debt Instrument |  |  |
Maturity |  | Aug. 15, 2022 |
Coupon rate |  | 1.875% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591ER9 |  |  |
Debt Instrument |  |  |
Maturity |  | Sep. 15, 2024 |
Coupon rate |  | 2.875% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591CJ9 |  |  |
Debt Instrument |  |  |
Maturity |  | Nov. 01, 2025 |
Coupon rate |  | 6.75% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,350 | 1,350
880591300 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 01, 2028 |
Coupon rate |  | 3.55% |
Long-term debt |  |  |
Long-term power bonds, net | [5] | $ 274 | 324
880591409 |  |  |
Debt Instrument |  |  |
Maturity |  | May 01, 2029 |
Coupon rate |  | 3.36% |
Long-term debt |  |  |
Long-term power bonds, net | [5] | $ 232 | 270
880591DM1 |  |  |
Debt Instrument |  |  |
Maturity |  | May 01, 2030 |
Coupon rate |  | 7.125% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591DP4 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 07, 2032 |
Coupon rate | [4] | 6.587% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 378 | 406
880591DV1 |  |  |
Debt Instrument |  |  |
Maturity |  | Jul. 15, 2033 |
Coupon rate |  | 4.70% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 472 | 472
880591EF5 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 15, 2034 |
Coupon rate |  | 3.77% |
Long-term debt |  |  |
Long-term power bonds, net | [3] | $ 360 | 388
880591DX7 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 15, 2035 |
Coupon rate |  | 4.65% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 436 | 436
880591CK6 |  |  |
Debt Instrument |  |  |
Maturity |  | Apr. 01, 2036 |
Coupon rate |  | 5.98% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 121 | 121
880591CS9 |  |  |
Debt Instrument |  |  |
Maturity |  | Apr. 01, 2036 |
Coupon rate |  | 5.88% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,500 | 1,500
880591CP5 |  |  |
Debt Instrument |  |  |
Maturity |  | Jan. 15, 2038 |
Coupon rate |  | 6.15% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591ED0 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 15, 2038 |
Coupon rate |  | 5.50% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 500 | 500
880591EH1 |  |  |
Debt Instrument |  |  |
Maturity |  | Sep. 15, 2039 |
Coupon rate |  | 5.25% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 2,000 | 2,000
880591EP3 |  |  |
Debt Instrument |  |  |
Maturity |  | Dec. 15, 2042 |
Coupon rate |  | 3.50% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591DU3 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 07, 2043 |
Coupon rate | [4] | 4.962% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 227 | 243
880591CF7 |  |  |
Debt Instrument |  |  |
Maturity |  | Jul. 15, 2045 |
Coupon rate |  | 6.235% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 140 | 140
Call date - earliest |  | Jul. 15, 2020 |
880591EB4 |  |  |
Debt Instrument |  |  |
Maturity |  | Jan. 15, 2048 |
Coupon rate |  | 4.875% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 500 | 500
880591DZ2 |  |  |
Debt Instrument |  |  |
Maturity |  | Apr. 01, 2056 |
Coupon rate |  | 5.375% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591EJ7 |  |  |
Debt Instrument |  |  |
Maturity |  | Sep. 15, 2060 |
Coupon rate |  | 4.625% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 1,000
880591ES7 |  |  |
Debt Instrument |  |  |
Maturity |  | Sep. 15, 2065 |
Coupon rate |  | 4.25% |
Long-term debt |  |  |
Long-term power bonds, net |  | $ 1,000 | 0
880591EE8 |  |  |
Debt Instrument |  |  |
Maturity |  | Nov. 15, 2015 |
Coupon rate |  | 2.25% |
Long-term debt |  |  |
Current maturities of power bonds |  | $ 2 | 3
880591EF5 |  |  |
Debt Instrument |  |  |
Maturity |  | Dec. 15, 2015 |
Coupon rate |  | 3.77% |
Long-term debt |  |  |
Current maturities of power bonds |  | $ 27 | 26
880591DY5 |  |  |
Debt Instrument |  |  |
Maturity |  | Jun. 15, 2015 |
Coupon rate |  | 4.375% |
Long-term debt |  |  |
Current maturities of power bonds |  | $ 0 | 1,000
88059TEL1 |  |  |
Debt Instrument |  |  |
Maturity |  | Nov. 15, 2015 |
Coupon rate |  | 2.65% |
Long-term debt |  |  |
Current maturities of power bonds |  | $ 3 | $ 3
[1] | Includes net exchange gain (loss) from currency transactions of $21 million at September 30, 2015 and $(44) million at September 30, 2014.
[2] | Includes one electronotes® issue (88059TEL1) with partial maturities of principal for each required annual payment.
[3] | These Bonds include partial maturities of principal for each required annual payment.
[4] | The coupon rate represents TVA’s effective interest rate.
[5] | TVA PARRS, CUSIP numbers 880591300 and 880591409, may be redeemed under certain conditions. See Put and Call Options above.

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