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Computation of Earnings Per Share - Schedule of Basic and Diluted Earnings per Common Share (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Feb. 28, 2025 | Feb. 29, 2024 | Feb. 28, 2025 | Feb. 29, 2024
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Abstract] |  |  |  |
Net earnings available to participating securities, Basic | $ 1 | $ 1 | $ 3 | $ 4
Net earnings available to participating securities, Diluted | $ 1 | $ 1 | $ 3 | $ 4

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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 65 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-65 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 66 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-66 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-60B + Details
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