v3.25.3

Long-Term Debt and Other Credit Facilities - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Total principal	$ 3,025	$ 3,038
Unamortized deferred financing costs and original issuance discounts	(39)	(34)
Total carrying value	2,986	3,004
Less: long-term debt, due within one year	17	17
Long-term debt	$ 2,969	2,987
Secured Notes
Debt Instrument [Line Items]
Interest rate	8.63%
Total principal	$ 1,200	1,200
TLB-1 \| Secured Debt
Debt Instrument [Line Items]
Interest rate	6.73%
Total principal	$ 850	857
TLB-2 \| Secured Debt
Debt Instrument [Line Items]
Interest rate	6.73%
Total principal	$ 844	850
PEDFA 2009B Bonds \| Bonds
Debt Instrument [Line Items]
Interest rate	5.25%
Total principal	$ 50	50
PEDFA 2009C Bonds \| Bonds
Debt Instrument [Line Items]
Interest rate	5.25%
Total principal	$ 81	$ 81

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Talen Energy Corp 10-Q