Securitizations and Variable Interest Entities (VIE) - Narrative (Detail) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Mar. 31, 2025 |
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| Variable Interest Entity [Line Items] | |||
| Asset-backed securitization notes issued during period | $ 2,300 | $ 2,000 | |
| Initial receivable principal balance underlying asset-backed securitization notes issued during period | 2,500 | $ 2,200 | |
| Cash to be remitted to trusts | $ 687 | $ 688 | |
| X | ||||||||||
- Definition Cash collections on receivables underlying asset-backed securitization notes, which were required to be remitted to the trusts. No definition available.
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| X | ||||||||||
- Definition Asset-backed securitization notes issued during period. No definition available.
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| X | ||||||||||
- Definition Initial receivable principal balance underlying asset-backed securitization notes issued during period. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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