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Regulatory Capital - Leverage-Based Capital Metrics (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
JPMorgan Chase Bank, N.A.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Adjusted average assets $ 3,766,709 $ 3,491,283
Tier 1 leverage ratio 0.078 0.079
Total leverage exposure $ 4,571,728 $ 4,246,516
SLR 0.064 0.065
JPMorgan Chase & Co.    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Adjusted average assets $ 4,472,394 $ 4,070,499
Tier 1 leverage ratio 0.069 0.072
Total leverage exposure $ 5,302,001 $ 4,837,568
SLR 0.058 0.061