Cover page. [Abstract] Cover page. [Abstract] Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common stock Common Stock [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 6.125% Non-Cumulative Preferred Stock, Series Y Depositary Shares, One-Four Hundredth Interest in a Share of 6.125% Non-Cumulative Preferred Stock, Series Y [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 6.125% Non-Cumulative Preferred Stock, Series Y [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 6.10% Non-Cumulative Preferred Stock, Series AA Depositary Shares, One-Four Hundredth Interest in a Share of 6.10% Non-Cumulative Preferred Stock, Series AA [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 6.10% Non-Cumulative Preferred Stock, Series AA [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 6.15% Non-Cumulative Preferred Stock, Series BB Depositary Shares, One-Four Hundredth Interest in a Share of 6.15% Non-Cumulative Preferred Stock, Series BB [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 6.15% Non-Cumulative Preferred Stock, Series BB [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 5.75% Non-Cumulative Preferred Stock, Series DD Depositary Shares, One-Four Hundredth Interest in a Share of 5.75% Non-Cumulative Preferred Stock, Series DD [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 5.75% Non-Cumulative Preferred Stock, Series DD [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 6.00% Non-Cumulative Preferred Stock, Series EE Depositary Shares, One-Four Hundredth Interest in a Share of 6.00% Non-Cumulative Preferred Stock, Series EE [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 6.00% Non-Cumulative Preferred Stock, Series EE [Member] Depositary Shares, each representing a one-four hundredth interest in a share of 4.75% Non-Cumulative Preferred Stock, Series GG Depositary Shares, One-Four Hundredth Interest in a Share of 4.75% Non-Cumulative Preferred Stock, Series GG [Member] Depositary Shares, One-Four Hundredth Interest in a Share of 4.75% Non-Cumulative Preferred Stock, Series GG [Member] Alerian MLP Index ETNs due May 24, 2024 Alerian MLP Index ETNs Due May 24, 2024 [Member] Alerian MLP Index ETNs Due May 24, 2024 [Member] Guarantee of Callable Step-Up Fixed Rate Notes due April 26, 2028 of JPMorgan Chase Financial Company LLC Guarantee of Callable Ste-Up Fixed Rate Notes Due April 26, 2028 of JPMorgan Chase Financial Company LLC [Member] Guarantee of Callable Ste-Up Fixed Rate Notes Due April 26, 2028 of JPMorgan Chase Financial Company LLC [Member] Entity Information [Line Items] Entity Information [Line Items] Document Type Document Type Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Written Communications Written Communications Soliciting Material Soliciting Material Pre-commencement Tender Offer Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Emerging Growth Company Entity Emerging Growth Company Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag