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Debt and Other Obligations (Tables)

3 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Debt Outstanding

Total debt outstanding at December 31, 2017, and September 30, 2017, consisted of the following:

Debt Outstanding
	At December 31, 2017				At September 30, 2017
Short-term debt
Short-term debt, net	$	2,721			$	1,998
Current maturities of power bonds	2,031				1,728
Current maturities of long-term debt of variable interest entities	36				36
Current maturities of notes payable	52				53
Total current debt outstanding, net	4,840				3,815
Long-term debt
Long-term power bonds(1)	19,362				20,357
Long-term debt of variable interest entities	1,175				1,175
Long-term notes payable	68				69
Unamortized discounts, premiums, issue costs, and other	(159		)		(163		)
Total long-term debt, net	20,446				21,438
Total outstanding debt	$	25,286			$	25,253

Note

(1) Includes net exchange gain from currency transactions of $118 million at December 31, 2017, and $125 million at September 30, 2017.

Debt Securities Activity

The table below summarizes the long-term debt securities activity for the period from October 1, 2017, to December 31, 2017:

Debt Securities Activity
		Date		Amount(1)				Interest Rate
Redemptions/Maturities
electronotes®		First Quarter 2018		$	47			4.10	%
1997 Series E		December 2017		650				6.25	%
2009 Series B		December 2017		1				3.77	%
Total redemptions/maturities of power bonds				698
Notes payable		November 2017		2				1.64	%
Total redemptions/maturities of debt				$	700

Note

(1) All redemptions were at 100 percent of par.

Credit Facility Agreements

Summary of Long-Term Credit Facilities

The following table provides additional information regarding TVA's funding available under the four long-term credit facilities:

Summary of Long-Term Credit Facilities At December 31, 2017
Maturity Date	Facility Limit				Letters of Credit Outstanding				Cash Borrowings				Availability
December 2019	$	150			$	37			$	—			$	113
February 2021	500				500				—				—
June 2020	1,000				268				—				732
September 2020	1,000				224				—				776
Total	$	2,650			$	1,029			$	—			$	1,621

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