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Debt and Other Obligations (Tables)

3 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Debt Outstanding

Total debt outstanding at December 31, 2024, and September 30, 2024, consisted of the following:

Debt Outstanding  (in millions)
			At December 31, 2024						At September 30, 2024
Short-term debt
Short-term debt, net of discounts			$	1,357					$	1,167
Current maturities of power bonds issued at par			2,372						1,022
Current maturities of long-term debt of VIEs issued at par			46						37
Total current debt outstanding, net			3,775						2,226
Long-term debt
Long-term power bonds(1)			16,610						17,995
Long-term debt of VIEs, net			1,675						897
Unamortized discounts, premiums, issue costs, and other			(125)						(128)
Total long-term debt, net			18,160						18,764
Total debt outstanding			$	21,935					$	20,990

Note

(1) Includes total net exchange gain from currency transactions of $96 million and $62 million at December 31, 2024, and September 30, 2024, respectively.

Debt Securities Activity

Debt Securities Activity

The table below summarizes the long-term debt securities activity for the period from October 1, 2024, to December 31, 2024:

Debt Securities Activity
						Date						Amount (in millions)
Issues
Debt of variable interest entities						October 2024						$	800
Total												$	800
Redemptions/Maturities(1)
2009 Series B						December 2024						$	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, 2024 (in millions)
Maturity Date						Facility Limit						Letters of Credit Outstanding						Cash Borrowings						Availability
March 2026						$	150					$	38					$	—					$	112
September 2026						1,000						68						—						932
March 2027						1,000						180						—						820
February 2028						500						214						—						286
Total						$	2,650					$	500					$	—					$	2,150

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