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Debt and Other Obligations (Tables)

3 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Debt Outstanding

Total debt outstanding at December 31, 2023, and September 30, 2023, consisted of the following:

Debt Outstanding  (in millions)
			At December 31, 2023						At September 30, 2023
Short-term debt
Short-term debt, net of discounts			$	1,042					$	432
Current maturities of power bonds issued at par			1,022						1,022
Current maturities of long-term debt of VIEs issued at par			35						35
Total current debt outstanding, net			2,099						1,489
Long-term debt
Long-term power bonds(1)			17,990						17,970
Long-term debt of VIEs, net			933						933
Unamortized discounts, premiums, issue costs, and other			(123)						(126)
Total long-term debt, net			18,800						18,777
Total debt outstanding			$	20,899					$	20,266

Note

(1) Includes total net exchange gain from currency transactions of $88 million and $109 million at December 31, 2023, and September 30, 2023, respectively.

Debt Securities Activity

Debt Securities Activity

The table below summarizes the long-term debt securities activity for the period from October 1, 2023, to December 31, 2023:

Debt Securities Activity

Date

Amount (in millions)

Redemptions/Maturities(1)

2009 Series B

December 2023

$

1

Total redemptions/maturities of debt

$

1

Note

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

Summary of Long-Term Credit Facilities

Summary of Long-Term Credit Facilities At December 31, 2023 (in millions)
Maturity Date						Facility Limit						Letters of Credit Outstanding						Cash Borrowings						Availability
February 2025						$	500					$	223					$	—					$	277
March 2026						150						38						—						112
September 2026						1,000						112						—						888
March 2027						1,000						96						—						904
Total						$	2,650					$	469					$	—					$	2,181

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