Adjustments to reflect assets acquired at fair value.

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Adjustments to reflect liabilities assumed at fair value.

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- Definition

The number of shares of the acquired entity's common stock cancelled by the acquirer in a business combination.

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Describes the conversion rate at which each outstanding share of the acquired entity's common stock can be used for receiving shares of acquirer's common stock.

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The price per common share used as a basis for determining value of equity interest issued or issuable to acquire the entity.

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The amount of adjustments made to reflect assets acquired at fair value when allocating the acquisition cost of a business combination.

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The amount of adjustments made to reflect liabilities assumed at fair value when allocating the acquisition cost of a business combination.

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- Definition

The total net assets of the acquired entity before adjustments to reflect assets acquired at fair value.

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The number of shares of common stock of the acquiree used in a business combination.

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The number of shares of common stock outstanding of the acquiree used in a business combination.

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Net assets acquired.

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Purchase price.

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Amount of cash paid to acquire the entity.

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The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(4)

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 88-16

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 39

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Fair value of noncash consideration given by the acquirer to acquire the entity. Does not include cash paid, the fair value of debt and securities issued and liabilities incurred to acquire the entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 51

-Subparagraph d

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 24

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Number of shares of equity interests issued or issuable to acquire entity.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 53

-Subparagraph d

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The net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph i

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In a business combination achieved in stages, this element represents the acquisition-date fair value of the equity interest in the acquiree held by the acquirer immediately before the acquisition date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph q(1)

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Business Changes and Developments (Details 2) (USD $)								12 Months Ended
Business Changes and Developments (Details 2) (USD $)	Sep. 25, 2008	May 31, 2008 Share Exchange Transaction [Member] Bear Stearns [Member]	May 31, 2008 Share Cash Purchase Transaction [Member] Bear Stearns [Member]	May 31, 2008 Other Acquireee Shares [Member] Bear Stearns [Member]	May 31, 2008 Bear Stearns [Member] Trading assets [Member]	May 31, 2008 Bear Stearns [Member] Premises and equipment [Member]	May 31, 2008 Bear Stearns [Member] Other assets [Member]	Dec. 31, 2008 Bear Stearns [Member]	May 31, 2008 Bear Stearns [Member]	May 31, 2008 Bear Stearns [Member] Other Liabilities [Member]	May 31, 2008 Bear Stearns [Member] Long-term Debt [Member]
Purchase price
Bear Stearns stock outstanding		95,000,000		145,759,000					240,759,000
Cancellation of shares		(95,000,000)	(24,061,000)
Bear Stearns common stock exchanged as of May 30, 2008		121,698,000
Exchange ratio									0.21753
JPMorgan Chase common stock newly issued in acquisition of Bear Stearns								26,473,000
Average purchase price per JPMorgan Chase common share(a)									$ 45.26
Total fair value of JPMorgan Chase common stock issued									1,198,000,000
Business Acquisition, Cost of Acquired Entity, Cash Paid									298,000,000
Fair value of employee stock awards (largely to be settled by shares held in the RSU Trust(b))									242,000,000
Direct acquisition costs									27,000,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Shares									(269,000,000)
Total purchase price									1,496,000,000
Net assets acquired
Bear Stearns common stockholders equity	39,186,000,000								6,052,000
Adjustments to reflect assets acquired at fair value:
Adjustments					(3,877,000)	509,000	(288,000)
Adjustments to reflect liabilities assumed at fair value:
Adjustments										(2,289,000,000)	504,000,000
Fair value of net assets acquired excluding goodwill									611,000,000
Goodwill resulting from the merger									$ 885,000,000