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Segment And Geographic Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment And Geographic Information [Abstract]

Segment And Geographic Information



		Three Months Ended June 30,						Six Months Ended June 30,
		2016			2015			2016			2015

		(in millions)
Net revenues
Electronic brokerage		$	310		$	288		$	657		$	578
Market making			43			72			102			139
Corporate			16			27			99			(158)
Total net revenues		$	369		$	387		$	858		$	559
Income before income taxes
Electronic brokerage		$	191		$	188		$	426		$	239
Market making			5			30			25			57
Corporate			17			22			99			(167)
Total income before income taxes		$	213		$	240		$	550		$	129







		June 30,			December 31,
		2016			2015

		(in millions)
Segment Assets
Electronic brokerage		$	46,805		$	44,421
Market making			11,680			10,825
Corporate			(6,656)			(6,512)
Total assets		$	51,829		$	48,734



Schedule Of Total Net Revenues And Income Before Income Taxes By Geographic Area



		Three Months Ended June 30,						Six Months Ended June 30,
		2016			2015			2016			2015

		(in millions)
Net revenues
United States		$	278		$	310		$	682		$	379
International			91			77			176			180
Total net revenues		$	369		$	387		$	858		$	559
Income before income taxes
United States		$	177		$	208		$	485		$	43
International			36			32			65			86
Total income before income taxes		$	213		$	240		$	550		$	129



X

- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8813-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8721-108599

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8736-108599

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