Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 31, 2024		Aug. 31, 2024		Feb. 29, 2024
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	$ 268		$ 268		$ 302
Unrealized Gains			7		6
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount	0		1
Unrealized Losses			(10)		(10)
Fair Value	265		265		298
Cash and cash equivalents (note 2)	171		171		175
Short-term Investments	40		40		62
Long-term investments (note 2)	37		37		36
Restricted Cash and Cash Equivalents	17		17		25
Bank balances
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	65		65		96
Unrealized Gains			0		0
Unrealized Losses			0		0
Fair Value	65		65		96
Cash and cash equivalents (note 2)	65		65		96
Short-term Investments	0		0		0
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	0		0		0
Other investments
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	28	[1]	28	[1]	30	[2]
Unrealized Gains			6		6
Unrealized Losses			0		0
Fair Value	34		34		36
Cash and cash equivalents (note 2)	0		0		0
Short-term Investments	0		0		0
Long-term investments (note 2)	34		34		36
Restricted Cash and Cash Equivalents	0		0		0
Bank Balances and Other Investments [Domain]
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	93		93		126
Unrealized Gains			6		6
Unrealized Losses			0		0
Fair Value	99		99		132
Cash and cash equivalents (note 2)	65		65		96
Short-term Investments	0		0		0
Long-term investments (note 2)	34		34		36
Restricted Cash and Cash Equivalents	0		0		0
Level 1: | Equity securities
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	10		10		10
Equity Securities, FV-NI, Unrealized Gain			0		0
Equity Securities, FV-NI, Unrealized Loss			(10)		(10)
Fair Value	0		0		0
Cash and cash equivalents (note 2)	0		0		0
Short-term Investments	0		0		0
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	0		0		0
Level 2:
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	163		163		166
Debt Securities, Available-for-Sale, Unrealized Gain			0		0
Debt Securities, Available-for-Sale, Unrealized Loss			0		0
Fair Value	163		163		166
Cash and cash equivalents (note 2)	106		106		79
Short-term Investments	40		40		62
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	17		17		25
Level 2: | Term deposits, and certificates of deposits
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	23		23		21
Debt Securities, Available-for-Sale, Unrealized Gain			0		0
Debt Securities, Available-for-Sale, Unrealized Loss			0		0
Fair Value	23		23		21
Cash and cash equivalents (note 2)	10		10		0
Short-term Investments	0		0		0
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	13		13		21
Level 2: | Bearer deposit notes
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	31		31		53
Debt Securities, Available-for-Sale, Unrealized Gain			0		0
Debt Securities, Available-for-Sale, Unrealized Loss			0		0
Fair Value	31		31		53
Cash and cash equivalents (note 2)	29		29		28
Short-term Investments	2		2		25
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	0		0		0
Level 2: | Commercial paper
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	44		44		47
Debt Securities, Available-for-Sale, Unrealized Gain			0		0
Debt Securities, Available-for-Sale, Unrealized Loss			0		0
Fair Value	44		44		47
Cash and cash equivalents (note 2)	18		18		15
Short-term Investments	26		26		32
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	0		0		0
Level 2: | Non-U.S. promissory notes
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	42		42		35
Debt Securities, Available-for-Sale, Unrealized Gain			0		0
Debt Securities, Available-for-Sale, Unrealized Loss			0		0
Fair Value	42		42		35
Cash and cash equivalents (note 2)	30		30		30
Short-term Investments	12		12		5
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	0		0		0
Level 2: | U.S. treasury bills
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	23		23		10
Unrealized Gains			0		0
Unrealized Losses			0		0
Fair Value	23		23		10
Cash and cash equivalents (note 2)	19		19		6
Short-term Investments	0		0		0
Long-term investments (note 2)	0		0		0
Restricted Cash and Cash Equivalents	4		4		$ 4
Level 3: | Other investments
Cash, Cash Equivalents and Investments [Line Items]
Cost Basis	2		2
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount			1
Unrealized Losses			0
Fair Value	3		3
Cash and cash equivalents (note 2)	0		0
Short-term Investments	0		0
Long-term investments (note 2)	3		3
Restricted Cash and Cash Equivalents	$ 0		$ 0

[1] Cost basis for other investments includes the effect of returns of capital and impairment.

[2] Cost basis for other investments includes the effect of returns of capital and impairment.