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Noncontrolling Interests - Schedule of Ownership of LLC Interests (Details) - Shift4 Payments, LLC. - shares	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025
Total
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	78,959,327	84,591,174
Ownership %	100.00%	100.00%
Shift4 Payments, Inc.
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	78,959,327	64,790,146
Ownership %	100.00%	76.60%
Rook
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	0	19,801,028
Ownership %	0.00%	23.40%

X

- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482987/272-10-50-3

+ Details

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X

- Definition

Number of preferred units of ownership outstanding of a limited liability company (LLC).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 272
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483014/272-10-45-1

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- Definition

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.

+ References

No definition available.

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