Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-1B

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- Definition

Equity Securities, FV-NI, Ownership Percentage

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Disposals, Acquisitions and Related Items (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022	Mar. 31, 2021	Feb. 28, 2021
Business Acquisition [Line Items]
Losses on disposal of business operations	$ 0	$ 0	$ 433
Seiyu
Business Acquisition [Line Items]
Ownership interest in investment			15.00%
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Asda
Business Acquisition [Line Items]
Disposal group, consideration					$ 9,600
Losses on disposal of business operations			$ 200
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Seiyu
Business Acquisition [Line Items]
Losses on disposal of business operations			$ 200
Disposal Group, Held-for-sale, Not Discontinued Operations \| Seiyu
Business Acquisition [Line Items]
Disposal group, consideration				$ 1,200