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Investments - Schedule of Non-Marketable Equity Investments (Details) - USD ($) $ in Millions	Oct. 31, 2024	Jan. 31, 2024
Investments, Debt and Equity Securities [Abstract]
Total initial cost	$ 210	$ 213
Cumulative net unrealized gains (losses)	32	35
Carrying value	$ 242	$ 248

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- Definition

Equity Securities without Readily Determinable Fair Value, Cost

+ References

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- Definition

Equity Securities without Readily Determinable Fair Value, Cumulative Unrealized Gain (Loss)

+ References

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