Investment in Operating Leases - Narrative (Detail) - USD ($)	3 Months Ended	9 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Leases [Abstract]
Early termination loss on operating leases	$ 138,000,000	$ 40,000,000	$ 265,000,000	$ 95,000,000
Actual net losses realized on operating leases	66,000,000	34,000,000	160,000,000	75,000,000
Provision for credit losses on operating leases	12,000,000	8,000,000	31,000,000	20,000,000
Impairment losses	$ 0	$ 0	$ 0	$ 0

Actual early termination net gain (losses) realized due to lessee defaults.

No definition available.

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- Definition

Amount based on estimated operating lease losses from past due receivables.

+ References

No definition available.

+ Details

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of gain (loss) on termination of lease before expiration of lease term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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- References

No definition available.

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