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Debt | 3 Months Ended
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Dec. 31, 2011
Debt Disclosure [Abstract] |
Debt | Debt Debt Outstanding The TVA Act authorizes TVA to issue Bonds in an amount not to exceed $30.0 billion outstanding at any time. Debt outstanding at December 31, 2011, and September 30, 2011, including the effect of translations related to Bonds denominated in foreign currencies, consisted of the following:
Debt Outstanding
| At December 31, 2011 |  | At September 30, 2011
Short-term debt |  |  |
Discount notes (net of discount) | $ | 785 |  |  | $ | 482 |
Current maturities of long-term debt | 1,558 |  |  | 1,537 |
Total short-term debt, net | 2,343 |  |  | 2,019 |
Long-term debt |  |  |  |  |
Long-term outstanding power bonds | 22,604 |  |  | 22,647 |
Unamortized discount, premiums and other | (235 | ) |  | (235 | )
Total long-term debt, net | 22,369 |  |  | 22,412 |
Total outstanding debt | $ | 24,712 |  |  | $ | 24,431 |
Debt Securities Activity The table below summarizes TVA’s long-term Bond activity for the period from October 1, 2011, to December 31, 2011.
| Date |  | Amount |  | Interest Rate
Redemptions/Maturities: |  |  |  |  |
2009 Series A | November 2011 |  | $ | 2 |  |  | 2.25%
2009 Series B | December 2011 |  | 1 |  |  | 3.77%
electronotes® | Three Months Ended December 31, 2011 |  | 16 |  |  | 4.82%
Total |  |  | $ | 19 |  |  |
Credit Facility Agreements. TVA and the U.S. Treasury have entered into a memorandum of understanding under which the U.S. Treasury provides TVA with a $150 million credit facility. This credit facility matures on September 30, 2012, and is expected to be renewed. This arrangement is pursuant to the TVA Act. TVA plans to use the U.S. Treasury credit facility as a secondary source of liquidity. The interest rate on any borrowing under this facility is based on the average rate on outstanding marketable obligations of the United States with maturities from date of issue of one year or less. There were no borrowings outstanding under the facility at December 31, 2011. TVA also has funding available in the form of three long-term revolving credit facilities totaling $2.5 billion. Both the $0.5 billion and one of the $1.0 billion credit facilities mature on January 14, 2014, and the other $1.0 billion credit facility matures on May 11, 2014. The credit facilities also accommodate the issuance of letters of credit. The interest rate on any borrowing under these facilities is variable based on market factors and the rating of TVA's senior unsecured long-term non-credit enhanced debt. TVA is required to pay an unused facility fee on the portion of the total $2.5 billion which TVA has not borrowed or committed under letters of credit. This fee, along with letter of credit fees, fluctuates depending on the rating of TVA's senior unsecured long-term non-credit enhanced debt. At December 31, 2011, and September 30, 2011, there were $756 million and $575 million, respectively, of letters of credit outstanding under the facilities, and there were no borrowings outstanding. See Note 12 — Other Derivative Instruments — Collateral.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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