Investments (Tables)

12 Months Ended

May 31, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of Investments in Equity Securities

The summary of our investments in equity securities at May 31, 2024 and 2023 is as follows (in millions):

	2024		2023
Equity securities with readily determinable fair values	$	100	$	91
Equity securities without readily determinable fair values - NAV practical expedient		37		26
Equity securities without readily determinable fair values - measurement alternative		223		185
Total equity securities	$	360	$	302

Schedule of Debt Securities

The carrying values of our investments in debt securities are classified as available-for-sale and reported at their estimated fair values in our consolidated balance sheets and consisted of the following (in millions):

			Gross Unrealized
	Cost		Gains		Losses		Estimated Fair Value
May 31, 2024
Fixed-income securities	$	76	$	1	$	—	$	77
Total debt securities	$	76	$	1	$	—	$	77