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Fair Value Measurements - Non-Recurring Fair Value Measurements (Details) - USD ($)
$ in Millions
3 Months Ended
May 31, 2024
May 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of long-lived assets (note 2) $ 3 $ 0
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount $ 1