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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
	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

X

- Definition

Schedule Of Earnings Per Share Basic And Diluted By Common Class [Abstract]

+ References

No definition available.

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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

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- Definition

Amount of undistributed earnings (loss) allocated to participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 60
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482689/260-10-45-60

Reference 2: 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 3: 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 4: 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

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