Regulatory Capital - Leverage-Based Capital Metrics (Details) $ in Millions	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
JPMorgan Chase Bank, N.A.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 3,491,283	$ 3,337,842
Tier 1 leverage ratio	0.079	0.079
Total leverage exposure	$ 4,246,516	$ 4,038,739
SLR	0.065	0.065
JPMorgan Chase & Co.
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Adjusted average assets	$ 4,070,499	$ 3,831,200
Tier 1 leverage ratio	0.072	0.072
Total leverage exposure	$ 4,837,568	$ 4,540,465
SLR	0.061	0.061