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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Billions	Jul. 31, 2025	Jan. 31, 2025	Jul. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Outstanding payment obligation	$ 5.7	$ 5.7	$ 5.7

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- References

No definition available.

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- Definition

Amount of obligation for supplier finance program.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 55
-Paragraph 5
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-URI https://asc.fasb.org/1943274/2147477128/405-50-55-5

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-Topic 405
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 405
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
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