Regulatory Capital - Leverage-Based Capital Metrics (Details) $ in Millions	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
JPMorgan Chase Bank, N.A.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 3,878,451	$ 3,766,709
Tier 1 leverage ratio	0.076	0.078
Total leverage exposure	$ 4,723,218	$ 4,571,728
SLR	0.063	0.064
JPMorgan Chase & Co.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 4,702,980	$ 4,472,394
Tier 1 leverage ratio	0.066	0.069
Total leverage exposure	$ 5,576,930	$ 5,302,001
SLR	0.056	0.058

Adjusted average assets, as calculated in accordance with U.S. federal regulatory capital standards.

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- Definition

Total Leverage Exposure

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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- Definition

Ratio of Tier 1 risk-based capital to total leverage exposure as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

+ Details

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- Definition

Ratio of Tier 1 capital to average assets as defined by regulatory framework.

+ References

+ Details

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