Business Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Segment results and reconciliation
Noninterest revenue	$ 50,033		$ 51,478		$ 54,048
Net interest income	43,510		43,634		43,319
Total net revenue	93,543		95,112		97,367
Provision for credit losses	3,827		3,139		225
Noninterest expense	59,014		61,274		70,467
Income before income tax expense	30,702		30,699		26,675
Income tax expense/(benefit)	6,260		8,954		8,789
Net income	24,442		21,745		17,886
Average common equity	215,690		207,400		196,409
Total assets	$ 2,351,698	[1]	$ 2,572,274	[1]	$ 2,414,879
Return on average common equity	11.00%		10.00%		9.00%
Overhead ratio	63.00%		64.00%		72.00%
Operating Segments | Consumer & Community Banking
Segment results and reconciliation
Noninterest revenue	$ 15,592		$ 15,937		$ 17,552
Net interest income	28,228		28,431		28,985
Total net revenue	43,820		44,368		46,537
Provision for credit losses	3,059		3,520		335
Noninterest expense	24,909		25,609		27,842
Income before income tax expense	15,852		15,239		18,360
Income tax expense/(benefit)	6,063		6,054		7,299
Net income	9,789		9,185		11,061
Average common equity	51,000		51,000		46,000
Total assets	$ 502,652		$ 455,634		$ 452,929
Return on average common equity	18.00%		18.00%		23.00%
Overhead ratio	57.00%		58.00%		60.00%
Operating Segments | Corporate & Investment Bank
Segment results and reconciliation
Noninterest revenue	$ 23,693		$ 23,420		$ 23,736
Net interest income	9,849		11,175		10,976
Total net revenue	33,542		34,595		34,712
Provision for credit losses	332		(161)		(232)
Noninterest expense	21,361		23,273		21,744
Income before income tax expense	11,849		11,483		13,200
Income tax expense/(benefit)	3,759		4,575		4,350
Net income	8,090		6,908		8,850
Average common equity	62,000		61,000		56,500
Total assets	$ 748,691		$ 861,466		$ 843,248
Return on average common equity	12.00%		10.00%		15.00%
Overhead ratio	64.00%		67.00%		63.00%
Operating Segments | Commercial Banking
Segment results and reconciliation
Noninterest revenue	$ 2,365		$ 2,349		$ 2,298
Net interest income	4,520		4,533		4,794
Total net revenue	6,885		6,882		7,092
Provision for credit losses	442		(189)		85
Noninterest expense	2,881		2,695		2,610
Income before income tax expense	3,562		4,376		4,397
Income tax expense/(benefit)	1,371		1,741		1,749
Net income	2,191		2,635		2,648
Average common equity	14,000		14,000		13,500
Total assets	$ 200,700		$ 195,267		$ 190,782
Return on average common equity	15.00%		18.00%		19.00%
Overhead ratio	42.00%		39.00%		37.00%
Operating Segments | Asset Management
Segment results and reconciliation
Noninterest revenue	$ 9,563		$ 9,588		$ 9,029
Net interest income	2,556		2,440		2,376
Total net revenue	12,119		12,028		11,405
Provision for credit losses	4		4		65
Noninterest expense	8,886		8,538		8,016
Income before income tax expense	3,229		3,486		3,324
Income tax expense/(benefit)	1,294		1,333		1,241
Net income	1,935		2,153		2,083
Average common equity	9,000		9,000		9,000
Total assets	$ 131,451		$ 128,701		$ 122,414
Return on average common equity	21.00%		23.00%		23.00%
Overhead ratio	73.00%		71.00%		70.00%
Corporate
Segment results and reconciliation
Noninterest revenue	$ 800		$ 1,972		$ 3,093
Net interest income	(533)		(1,960)		(3,115)
Total net revenue	267		12		(22)
Provision for credit losses	(10)		(35)		(28)
Noninterest expense	977		1,159		10,255
Income before income tax expense	(700)		(1,112)		(10,249)
Income tax expense/(benefit)	(3,137)		(1,976)		(3,493)
Net income	2,437		864		(6,756)
Average common equity	79,690		72,400		71,409
Total assets	768,204		931,206		805,506
Reconciling Items
Segment results and reconciliation
Noninterest revenue	(1,980)		(1,788)		(1,660)
Net interest income	(1,110)		(985)		(697)
Total net revenue	(3,090)		(2,773)		(2,357)
Provision for credit losses	0		0		0
Noninterest expense	0		0		0
Income before income tax expense	(3,090)		(2,773)		(2,357)
Income tax expense/(benefit)	(3,090)		(2,773)		(2,357)
Net income	0		0		0
Average common equity	$ 0		$ 0		$ 0

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at December 31, 2015 and 2014. The difference between total VIE assets and liabilities represents the Firm’s interests in those entities, which were eliminated in consolidation.December 31, (in millions)2015 2014Assets Trading assets$3,736 $9,090Loans75,104 68,880All other assets2,765 1,815Total assets$81,605 $79,785Liabilities Beneficial interests issued by consolidated variable interest entities$41,879 $52,320All other liabilities809 949Total liabilities$42,688 $53,269The 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 December 31, 2015 and 2014, 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 16.