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Acquisitions and Divestitures (Details) (USD $) In Millions, unless otherwise specified |  |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 International Card Services [Member] | Dec. 31, 2012 International Card Services [Member] | Dec. 31, 2011 International Card Services [Member] | Dec. 31, 2013 Loyalty Partner Acquisition [Member] International Card Services [Member] | Mar. 01, 2011 Loyalty Partner Acquisition [Member] International Card Services [Member]
Assets acquired and liabilities assumed for acquisitions |  |  |  |  |  |  |  |
Goodwill | $ 3,198 | $ 3,181 | $ 3,172 | $ 1,052 | $ 1,031 | $ 1,023 |  | $ 539
Definite-lived intangible assets | 817 | 993 |  |  |  |  |  | 295
Other assets | 1,957 | 1,665 |  |  |  |  |  | 208
Total assets | 153,375 | 153,140 |  |  |  |  |  | 1,042
Total liabilities (including NCI) | 133,879 | 134,254 |  |  |  |  |  | 426
Net assets acquired |  |  |  |  |  |  |  | 616
Acquisition Textuals [Abstract] |  |  |  |  |  |  |  |
Total consideration |  |  |  |  |  |  |  | 616
Non-controlling equity interest, fair value |  |  |  |  |  |  |  | 148
Cash payment due to extinguishing a portion of NCI |  |  |  |  |  |  | 132 |
Long-term liability incurred as a cause of the extinguishment of a portion of NCI |  |  |  |  |  |  | 121 |
Reduction in equity due to extinguishment of a portion of NCI |  |  |  |  |  |  | $ 107 |

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