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Reserves For Losses (Details 1) - USD ($) $ in Millions | Jun. 30, 2016 | Dec. 31, 2015
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Card Member Loans And Related Reserves Evaluated Separately And Collectively For Impairment [Abstract] |  |
Card Member loans evaluated individually for impairment | $ 342 | $ 279
Reserves on Card Member loans evaluated individually for impairment | 62 | 53
Card Member loans evaluated collectively for impairment | 59,545 | 58,294
Reserves on Card Member loans evaluated collectively for impairment | $ 1,029 | $ 975

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- Definition Represents cardmember loans evaluated collectively for impairment. + References No definition available. + Details
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- Definition Represents reserves on cardmember loans that are evaluated separately for impairment. + References No definition available. + Details
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