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Legal Proceedings (Details) - Brazilian Federal Tax Authorities
R$ in Millions, $ in Millions
Mar. 22, 2018
USD ($)
Feb. 25, 2015
BRL (R$)
Feb. 25, 2015
USD ($)
Jan. 13, 2015
BRL (R$)
Jan. 13, 2015
USD ($)
Income Tax Examination [Line Items]          
Assessments sought against entity $ 5.3 R$ 33.3 $ 8.5 R$ 14.4 $ 3.7
Reduction in principal, penalties and interest (percent) 38.00%