Regulatory Capital - Leverage-Based Capital Metrics (Details) $ in Millions	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
JPMorgan Chase Bank, N.A.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 3,711,780	$ 3,491,283
Tier 1 leverage ratio	0.078	0.079
Total leverage exposure	$ 4,500,038	$ 4,246,516
SLR	0.065	0.065
JPMorgan Chase & Co.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 4,464,441	$ 4,070,499
Tier 1 leverage ratio	0.069	0.072
Total leverage exposure	$ 5,272,950	$ 4,837,568
SLR	0.058	0.061

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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