Acquisitions	6 Months Ended
Mar. 31, 2024
Business Combination and Asset Acquisition [Abstract]
Acquisitions	Note 2—Acquisitions On January 16, 2024, Visa acquired Pismo Holdings, a global cloud-native issuer processing and core banking platform, for a purchase consideration of $929 million. The Company allocated $139 million of the purchase consideration to technology, customer relationships, other net assets acquired and deferred tax liabilities and the remaining $790 million to goodwill

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//805/tableOfContent

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