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Commitments and Contingencies - Additional Information (Detail) $ in Millions	Sep. 30, 2023 USD ($)
Iron and Steel Project
Loss Contingencies [Line Items]
Contracts Receivable, Claims and Uncertain Amounts	$ 16.8
Mining and Minerals Project
Loss Contingencies [Line Items]
Contracts Receivable, Claims and Uncertain Amounts	5.4
Crude Oil Terminal Project [Member]
Loss Contingencies [Line Items]
Contracts Receivable, Claims and Uncertain Amounts	$ 32.7

X

- Definition

Amount of billed or unbilled claims or other similar items subject to uncertainty concerning their determination or ultimate realization under long-term contracts.

+ References

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