Debt and Other Obligations - Schedule of Future Years Payment (Detail) $ in Millions	Sep. 30, 2024 USD ($)
Debt Disclosure [Abstract]
2025	$ 4
2026	250
2027	113
2028	8
2029	300
Thereafter	400
Total	$ 1,075

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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