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Business and Basis of Presentation - Reclassifications (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Schedule of Reclassifications [Line Items] |  |  |  |
Selling | $ 113 | $ 68 | $ 273 | $ 213
Cost of service | 130 | 89 | 338 | 272
General & administrative | 54 | 31 | 154 | 94
Total |  | 188 |  | 579
As Previously Reported |  |  |  |
Schedule of Reclassifications [Line Items] |  |  |  |
Selling |  | 85 |  | 270
Cost of service |  | 70 |  | 215
General & administrative |  | 33 |  | 94
Total |  | 188 |  | 579
Reclassifications |  |  |  |
Schedule of Reclassifications [Line Items] |  |  |  |
Selling |  | (17) |  | (57)
Cost of service |  | 19 |  | 57
General & administrative |  | (2) |  | 0
Total |  | $ 0 |  | $ 0

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- Definition Cost of Revenue and Selling, General and Administrative Expenses + References No definition available. + Details
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- Details
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 + Details
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The aggregate total amount of expenses directly related to the marketing or selling of products or services. + References No definition available. + Details
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