Financing Receivable, Revolving, Percentage of Senior Liens to Total Financing Receivables

No definition available.

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- Definition

This item represents the percentage of loans 30 plus days past due as compared to total retained loans.

+ References

No definition available.

+ Details

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- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Financing Receivable, Converted to Term Loan

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Financing Receivable, Revolving

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated Five or More Years before Latest Fiscal Year

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated Four Years before Latest Fiscal Year

+ References

No definition available.

+ Details

Name:	jpm_PercentageofLoansThirtyPlusDaysPastDuetoTotalRetainedLoansOriginatedFourYearsbeforeLatestFiscalYear
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Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated Three Years before Latest Fiscal Year

+ References

No definition available.

+ Details

Name:	jpm_PercentageofLoansThirtyPlusDaysPastDuetoTotalRetainedLoansOriginatedThreeYearsbeforeLatestFiscalYear
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Balance Type:	na
Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated Two Years before Latest Fiscal Year

+ References

No definition available.

+ Details

Name:	jpm_PercentageofLoansThirtyPlusDaysPastDuetoTotalRetainedLoansOriginatedTwoYearsbeforeLatestFiscalYear
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Balance Type:	na
Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated in Current Fiscal Year

+ References

No definition available.

+ Details

Name:	jpm_PercentageofLoansThirtyPlusDaysPastDuetoTotalRetainedLoansOriginatedinCurrentFiscalYear
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Period Type:	instant

- Definition

Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans, Originated in Fiscal Year before Latest Fiscal Year

+ References

No definition available.

+ Details

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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

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of financing receivable originated more than five years prior to current fiscal year.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable originated four years prior to current fiscal year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable originated in current fiscal year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of financing receivable originated in fiscal year prior to current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable originated three years prior to current fiscal year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable originated two years prior to current fiscal year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable that can be withdrawn, repaid and redrawn.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of revolving financing receivable converted to term loan.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448

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- Details

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- Details

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- Details

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- Details

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Loans - Consumer, Excluding Credit Card Loan Portfolio, Residential Real Estate (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 960,506	$ 945,601	$ 969,415
Consumer, excluding credit card
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	302,127	294,999	$ 335,776
Consumer, excluding credit card \| 30 or more days past due \| U.S. government-guaranteed
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	40	46
Consumer, excluding credit card \| Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Term loans originated in 2020	55,574
Term loans originated in 2019	31,859
Term loans originated in 2018	13,930
Term loans originated in 2017	20,450
Term loans originated in 2016	28,025
Term loans originated prior to 2016	51,750
Revolving loans within the revolving period	7,413
Revolving loans converted to term loans	16,301
Total retained loans	$ 225,302	$ 243,317
% of 30 plus days past due to total retained loans, Term loans originated in 2020	0.02%
% of 30 plus days past due to total retained loans, Term loans originated in 2019	0.12%
% of 30 plus days past due to total retained loans, Term loans originated in 2018	0.22%
% of 30 plus days past due to total retained loans, Term loans originated in 2017	0.20%
% of 30 plus days past due to total retained loans, Term loans originated in 2016	0.17%
% of 30 plus days past due to total retained loans, Term loans originated prior to 2016	2.86%
% of 30 plus days past due to total retained loans, Revolving loans within the revolving period	0.58%
% of 30 plus days past due to total retained loans, Revolving loans converted to term loans	3.12%
% of 30 plus days past due to total retained loans	0.98%	1.35%
Consumer, excluding credit card \| Residential real estate \| Senior lien
Loans and Leases Receivable Disclosure [Line Items]
Percentage of total revolving loans that are senior lien loans	35.00%
Consumer, excluding credit card \| Residential real estate \| U.S. government-guaranteed
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 76	$ 63
Consumer, excluding credit card \| Residential real estate \| Current
Loans and Leases Receivable Disclosure [Line Items]
Term loans originated in 2020	55,562
Term loans originated in 2019	31,820
Term loans originated in 2018	13,900
Term loans originated in 2017	20,410
Term loans originated in 2016	27,978
Term loans originated prior to 2016	50,232
Revolving loans within the revolving period	7,370
Revolving loans converted to term loans	15,792
Total retained loans	223,064	239,979
Consumer, excluding credit card \| Residential real estate \| Current \| U.S. government-guaranteed
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	36	17
Consumer, excluding credit card \| Residential real estate \| 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Term loans originated in 2020	9
Term loans originated in 2019	25
Term loans originated in 2018	20
Term loans originated in 2017	22
Term loans originated in 2016	29
Term loans originated prior to 2016	674
Revolving loans within the revolving period	21
Revolving loans converted to term loans	245
Total retained loans	1,045	1,910
Consumer, excluding credit card \| Residential real estate \| 30–149 days past due \| U.S. government-guaranteed
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	16	20
Consumer, excluding credit card \| Residential real estate \| 150 or more days past due
Loans and Leases Receivable Disclosure [Line Items]
Term loans originated in 2020	3
Term loans originated in 2019	14
Term loans originated in 2018	10
Term loans originated in 2017	18
Term loans originated in 2016	18
Term loans originated prior to 2016	844
Revolving loans within the revolving period	22
Revolving loans converted to term loans	264
Total retained loans	1,193	1,428
Consumer, excluding credit card \| Residential real estate \| 150 or more days past due \| U.S. government-guaranteed
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 24	$ 26