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Stock-Based Compensation - Schedule of Stock Option Vesting (Details) - USD ($) $ in Millions | 12 Months Ended
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May 31, 2022 | May 31, 2021 | May 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures Abstract |  |  |
Vested during the year | 3,005,727 | 2,492,039 | 2,073,310
Fair value | $ 138 | $ 115 | $ 99

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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options vested. + References No definition available. + Details
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