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Reorganization and Business Transformation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Goodwill, impairment loss |  | $ 318 | $ 57 | $ 318
Marketing Applications |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance costs |  |  | 10 |
Goodwill, impairment loss |  |  | 80 |
Other restructuring costs |  |  | 19 |
International Marketing Application |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Impairment of goodwill and acquired intangibles | $ 80 |  |  |
Employee Severance | Marketing Applications |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Payments for restructuring |  |  | $ 16 |

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