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Commitments, Contingencies and Guarantees - Employee Retention Plan and Litigation (Details) - Dec. 31, 2015 - Unfavorable regulatory action € in Millions, $ in Millions | EUR (€) | USD ($)
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Litigation |  |
Amount of fine | € 5.0 | $ 5.4
Accrual for estimated loss | € 5.0 | $ 5.4

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