Consolidated Statements of Cash Flows - Supplemental Information (Unaudited) (USD $)	Dec. 31, 2009
Supplemental cash flow information
Noncash assets related to the consolidation of VIEs	$ 87,700,000,000
Noncash liabilities related to the consolidation of VIEs	$ 92,200,000,000

Name:

jpm_ConsolidatedNoncashLiabilitiesTransferOfFinancialAssetsConsolidationOfVariableInterestEntities

Namespace Prefix:

jpm

Data Type:

xbrli:monetaryItemType

Balance Type:

credit

Period Type:

instant