|
Business Segments (Schedule of Operating Segments) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Dec. 31, 2013
|
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| Segment Reporting Information [Line Items] | |||||||||
| Total revenues | $ 898 | $ 744 | |||||||
| Cost of revenues | (369) | (326) | |||||||
| Revenues less transaction rebates, brokerage, clearance and exchange fees | 529 | 418 | |||||||
| Operating income (loss) | 184 | 90 | |||||||
| Assets | 12,978 | 12,577 | |||||||
|
Market Services [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||
| Total revenues | 582 | 508 | |||||||
| Cost of revenues | (369) | (326) | |||||||
| Revenues less transaction rebates, brokerage, clearance and exchange fees | 213 | 182 | |||||||
| Operating income (loss) | 94 | 74 | |||||||
|
Listing Services [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||
| Total revenues | 58 | 55 | |||||||
| Cost of revenues | |||||||||
| Revenues less transaction rebates, brokerage, clearance and exchange fees | 58 | 55 | |||||||
| Operating income (loss) | 22 | 24 | |||||||
|
Information Services [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||
| Total revenues | 123 | 106 | |||||||
| Cost of revenues | |||||||||
| Revenues less transaction rebates, brokerage, clearance and exchange fees | 123 | 106 | |||||||
| Operating income (loss) | 90 | 80 | |||||||
|
Technology Solutions [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||
| Total revenues | 135 | 75 | |||||||
| Cost of revenues | |||||||||
| Revenues less transaction rebates, brokerage, clearance and exchange fees | 135 | 75 | |||||||
| Operating income (loss) | 8 | 3 | |||||||
|
Corporate Items and Eliminations [Member]
|
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| Segment Reporting Information [Line Items] | |||||||||
| Cost of revenues | |||||||||
| Operating income (loss) | $ (30) | [1] | $ (91) | [2] | |||||
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