Cash, Cash Equivalents and Investments - Contractual Maturities of Available-for-Sale Investments (Details) - USD ($) $ in Millions	Nov. 30, 2024	Feb. 29, 2024
Cost Basis
Due in one year or less	$ 126	$ 166
No fixed maturity	10	10
Total	136	176
Fair Value
Due in one year or less	126	166
No fixed maturity	0	0
Total	$ 126	$ 166

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details