| Document and Entity Information | Jun. 01, 2021 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | JPMORGAN CHASE & CO |
| Amendment Flag | false |
| Entity Central Index Key | 0000019617 |
| Document Type | 8-K |
| Document Period End Date | Jun. 1, 2021 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 1-5805 |
| Entity Tax Identification Number | 13-2624428 |
| Entity Address, Address Line One | 383 Madison Avenue |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10179 |
| City Area Code | (212) |
| Local Phone Number | 270-6000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock |
| Trading Symbol | JPM |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing A One Four Hundredth Interest In A Share Of 5.75 Not Cumulative Preferred Stock Series Dd [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, each representing a one-four hundredth interest in a share of 5.75% Non-Cumulative Preferred Stock, Series DD |
| Trading Symbol | JPM PR D |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing A One Four Hundredth Interest In A Share Of 6.00 Not Cumulative Preferred Stock Series Ee [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, each representing a one-four hundredth interest in a share of 6.00% Non-Cumulative Preferred Stock, Series EE |
| Trading Symbol | JPM PR C |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing A One Four Hundredth Interest In A Share Of 4.75 Not Cumulative Preferred Stock Series Gg [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, each representing a one-four hundredth interest in a share of 4.75% Non-Cumulative Preferred Stock, Series GG |
| Trading Symbol | JPM PR J |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing A One Four Hundredth Interest In A Share Of 4.55 Not Cumulative Preferred Stock Series Jj [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, each representing a one-four hundredth interest in a share of 4.55% Non-Cumulative Preferred Stock, Series JJ |
| Trading Symbol | JPM PR K |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing A One Four Hundredth Interest In A Share Of 4.625 Not Cumulative Preferred Stock Series Ll [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, each representing a one-four hundredth interest in a share of 4.625% Non-Cumulative Preferred Stock, Series LL |
| Trading Symbol | JPM PR L |
| Security Exchange Name | NYSE |
| Alerian Mlp Index ET Ns Due May 160242024 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Alerian MLP Index ETNs due May 24, 2024 |
| Trading Symbol | AMJ |
| Security Exchange Name | NYSEArca |
| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Guarantee of Callable Step-Up Fixed Rate Notes due April 26, 2028 of JPMorganChase Financial Company LLC |
| Trading Symbol | JPM/28 |
| Security Exchange Name | NYSE |
