Business Segments (Details) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) segment		Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	[1]
Segment Reporting Information [Line Items]
Number of reportable segments | segment	4
Noninterest revenue	$ 11,859		$ 13,389
Net interest income	11,380		10,677
Total net revenue	23,239		24,066
Provision for credit losses	1,824		959
Noninterest expense	13,837		14,883
Income before income tax expense	7,578		8,224
Income tax expense/(benefit)	2,058		2,310
Net income	5,520		5,914
Average common equity	221,561		212,352
Total assets	$ 2,423,808	[1]	$ 2,576,619	$ 2,351,698
Return on common equity	9.00%		11.00%
Overhead ratio	60.00%		62.00%
Operating Segments | Consumer & Community Banking
Segment Reporting Information [Line Items]
Noninterest revenue	$ 3,806		$ 3,736
Net interest income	7,311		6,968
Total net revenue	11,117		10,704
Provision for credit losses	1,050		930
Noninterest expense	6,088		6,190
Income before income tax expense	3,979		3,584
Income tax expense/(benefit)	1,489		1,365
Net income	2,490		2,219
Average common equity	51,000		51,000
Total assets	$ 505,071		$ 455,624
Return on common equity	19.00%		17.00%
Overhead ratio	55.00%		58.00%
Operating Segments | Corporate & Investment Bank
Segment Reporting Information [Line Items]
Noninterest revenue	$ 5,534		$ 7,074
Net interest income	2,601		2,508
Total net revenue	8,135		9,582
Provision for credit losses	459		(31)
Noninterest expense	4,808		5,657
Income before income tax expense	2,868		3,956
Income tax expense/(benefit)	889		1,419
Net income	1,979		2,537
Average common equity	64,000		62,000
Total assets	$ 801,053		$ 854,275
Return on common equity	11.00%		16.00%
Overhead ratio	59.00%		59.00%
Operating Segments | Commercial Banking
Segment Reporting Information [Line Items]
Noninterest revenue	$ 556		$ 636
Net interest income	1,247		1,106
Total net revenue	1,803		1,742
Provision for credit losses	304		61
Noninterest expense	713		709
Income before income tax expense	786		972
Income tax expense/(benefit)	290		374
Net income	496		598
Average common equity	16,000		14,000
Total assets	$ 204,602		$ 197,931
Return on common equity	11.00%		17.00%
Overhead ratio	40.00%		41.00%
Operating Segments | Asset Management
Segment Reporting Information [Line Items]
Noninterest revenue	$ 2,245		$ 2,384
Net interest income	727		621
Total net revenue	2,972		3,005
Provision for credit losses	13		4
Noninterest expense	2,075		2,175
Income before income tax expense	884		826
Income tax expense/(benefit)	297		324
Net income	587		502
Average common equity	9,000		9,000
Total assets	$ 131,276		$ 126,233
Return on common equity	25.00%		22.00%
Overhead ratio	70.00%		72.00%
Operating Segments | Corporate
Segment Reporting Information [Line Items]
Noninterest revenue	$ 269		$ 40
Net interest income	(213)		(253)
Total net revenue	56		(213)
Provision for credit losses	(2)		(5)
Noninterest expense	153		152
Income before income tax expense	(95)		(360)
Income tax expense/(benefit)	(63)		(418)
Net income	(32)		58
Average common equity	81,561		76,352
Total assets	781,806		942,556
Reconciling Items
Segment Reporting Information [Line Items]
Noninterest revenue	(551)		(481)
Net interest income	(293)		(273)
Total net revenue	(844)		(754)
Provision for credit losses	0		0
Noninterest expense	0		0
Income before income tax expense	(844)		(754)
Income tax expense/(benefit)	(844)		(754)
Net income	0		0
Average common equity	$ 0		$ 0

[1] The following table presents information on assets and liabilities related to variable interest entities (“VIEs”) that are consolidated by the Firm at March 31, 2016, and December 31, 2015. The difference between total VIE assets and liabilities represents the Firm’s interests in those entities, which were eliminated in consolidation.(in millions)Mar 31, 2016 Dec 31, 2015Assets Trading assets$4,834 $3,736Loans66,680 75,104All other assets3,523 2,765Total assets$75,037 $81,605Liabilities Beneficial interests issued by consolidated VIEs$38,673 $41,879All other liabilities789 809Total liabilities$39,462 $42,688The assets of the consolidated VIEs are used to settle the liabilities of those entities. The holders of the beneficial interests do not have recourse to the general credit of JPMorgan Chase. At both March 31, 2016, and December 31, 2015, the Firm provided limited program-wide credit enhancement of $2.0 billion related to its Firm-administered multi-seller conduits, which are eliminated in consolidation. For further discussion, see Note 15.