v2.4.0.8

Goodwill and Purchased Intangible Assets (Finite-Lived and Indefinite-Lived Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total finite-lived intangible assets, Gross Amount | $ 1,125 | $ 909
Accumulated Amortization | (291) | (251)
Total | 834 | 658
Total indefinite-lived intangible assets, Net Amount | 1,575 | 992
Total Intangible Assets, Gross Amount | 2,700 | 1,901
Total Intangible Assets, Net Amount | 2,409 | 1,650
Exchange and clearing registrations [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangible assets, Net Amount | 790 | 790
Trade Names [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangible assets, Net Amount | 760 | 185
Licenses [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangible assets, Net Amount | 51 | 51
Foreign currency translation adjustment [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangible assets, Net Amount | (26) | (34)
Technology [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total finite-lived intangible assets, Gross Amount | 40 | 26
Accumulated Amortization | (10) | (10)
Total | 30 | 16
Total finite-lived intangible assets, Weighted-Average Useful Life (in Years) | 5 years | 5 years
Customer relationships [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total finite-lived intangible assets, Gross Amount | 1,075 | 871
Accumulated Amortization | (278) | (238)
Total | 797 | 633
Total finite-lived intangible assets, Weighted-Average Useful Life (in Years) | 19 years | 21 years
Other [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total finite-lived intangible assets, Gross Amount | 6 | 6
Accumulated Amortization | (3) | (2)
Total | 3 | 4
Total finite-lived intangible assets, Weighted-Average Useful Life (in Years) | 8 years | 8 years
Foreign currency translation adjustment [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Total finite-lived intangible assets, Gross Amount | 4 | 6
Accumulated Amortization |  | (1)
Total | $ 4 | $ 5

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- Definition Intangible Assets Gross Carrying Amount + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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