Cash, Cash Equivalents and Investments - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	May 31, 2022	May 31, 2021	Feb. 28, 2022
Cash, Cash Equivalents and Investments [Line Items]
Investments that are communicated to the third party for consideration of reasonableness, threshold limit for fair values	0.50%
Equity Securities without Readily Determinable Fair Value, Amount	$ 30		$ 30
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	0	$ 0
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	5		5
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount	3		3
Debt Securities, Available-for-sale, Realized Gain (Loss)	0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 0		$ 0
Minimum
Cash, Cash Equivalents and Investments [Line Items]
Letters of credit terms	1 month
Maximum
Cash, Cash Equivalents and Investments [Line Items]
Letters of credit terms	3 years