Investments - Schedule of Debt Securities (Details) $ in Millions	May 31, 2024 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Cost	$ 76
Gross unrealized gains	1
Gross unrealized losses	0
Estimated fair value	77
Fixed-income Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Cost	76
Gross unrealized gains	1
Gross unrealized losses	0
Estimated fair value	$ 77

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.

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+ Details