Parent Company - Footnote Information (Details) $ in Millions	3 Months Ended
Dec. 31, 2016 USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]
2017	$ 46,705
2018	49,400
2019	32,200
2020	33,800
2021	30,600
JPMorgan Chase & Co.
Long-term Debt, Fiscal Year Maturity [Abstract]
2017	26,939
2018	21,200
2019	13,000
2020	21,900
2021	17,900
JPMorgan Chase & Co. \| Nonbank
Condensed Financial Statements, Captions [Line Items]
Contributions of substantially all of direct subsidiaries	55,400
JPMorgan Chase & Co. \| Nonbank \| Other assets
Condensed Financial Statements, Captions [Line Items]
Contributions to IHC	160,500
JPMorgan Chase & Co. \| Nonbank \| Noncash Assets
Condensed Financial Statements, Captions [Line Items]
Contributions to IHC	$ 62,300

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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