v2.4.0.8

Goodwill and Purchased Intangible Assets (Schedule of Changes in Goodwill) (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013
Goodwill [Line Items] |
Balance | $ 5,335
Goodwill acquired | 831
Foreign currency translation adjustment | 25
Balance | 6,191
Market Services [Member] |
Goodwill [Line Items] |
Balance | 2,955
Goodwill acquired | 470
Foreign currency translation adjustment | 14
Balance | 3,439
Listing Services [Member] |
Goodwill [Line Items] |
Balance | 136
Foreign currency translation adjustment | 1
Balance | 137
Information Services [Member] |
Goodwill [Line Items] |
Balance | 1,964
Goodwill acquired | 49
Foreign currency translation adjustment | 8
Balance | 2,021
Technology Solutions [Member] |
Goodwill [Line Items] |
Balance | 280
Goodwill acquired | 312
Foreign currency translation adjustment | 2
Balance | $ 594

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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X
- Details
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X
- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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