Taxes - Schedule of Deferred Tax Classification in the Balance Sheet (Details) - USD ($) $ in Millions	Jan. 31, 2024	Jan. 31, 2023
Liabilities:
Net deferred tax liabilities	$ 5,585	$ 5,766
Other long-term assets
Assets:
Other long-term assets	1,663	1,503
Deferred income taxes and other
Liabilities:
Net deferred tax liabilities	$ 7,248	$ 7,269

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482525/740-10-45-6

Name:	us-gaap_DeferredTaxLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant