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Debt and Other Obligations Debt and Other Obligations - Secured Notes of SPEs (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2013
Secured notes
Secured notes	$ 40	$ 360

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- Definition

[Line Items] for Secured notes of SPEs [Table]

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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