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Description of Business and Significant Accounting Policies Redeemable Noncontrolling Interest (Details) R$ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2019 BRL (R$) | Dec. 31, 2019 USD ($)
NCR Manaus [Member] |  |
Redeemable Noncontrolling Interest [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 49.00% | 49.00%
NCR Manaus [Member] |  |
Redeemable Noncontrolling Interest [Line Items] |  |
Business Combination, Consideration Transferred | R$ 11 | $ 3

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