v3.25.4

Variable Interest Entities Variable Interest Entities (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Sep. 30, 2025	Oct. 02, 2024	Sep. 30, 2013	Sep. 30, 2012
Variable Interest Entities
Other long-term liabilities	$ 1,490		$ 1,606
Accrued interest	30		29
VIE Financing
Face amount	$ 40				$ 360
Financial instruments subject to mandatory redemption, interest rate, stated percentage	7.00%
Liabilities
Current maturities of long-term debt of variable interest entities	$ 49		49
Long-term debt of variable interest entities, net	1,627		1,632
Liabilities, Current	4,880		5,607
Assets, Total	59,515		60,882
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entities
Other long-term liabilities	15		14
Liabilities	1,722		1,725			$ 1,000
VIE Financing
Debt and Lease Obligation				$ 800
Liabilities
Liabilities, Current	80		79
Interest Expense	21	$ 22
Accounts Payable and Accrued Liabilities	$ 1		$ 1
JSCCG
VIE Financing
Face amount						900
Holdco
VIE Financing
Face amount						$ 100
SCCG
VIE Financing
Debt and Lease Obligation					$ 400
JACTG
VIE Financing
Face amount				720
JHLLC
VIE Financing
Face amount				$ 80

Contractual interest rate for funds borrowed, under the agreement.

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Tennessee Valley Authority 10-Q