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Income Taxes - Contingency (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Mar. 31, 2020
Contingencies |  |  |
Deferred income taxes | $ 13 | $ 13 | $ 16
Indirect tax credits | Foreign | Brazil |  |  |
Contingencies |  |  |
Deferred income taxes | 8 | 8 |
Indirect tax credits | Foreign | Brazil | Maximum |  |  |
Contingencies |  |  |
Amount of indirect tax credits expected to receive |  | 86 |
Indirect tax credits | Foreign | Brazil | Minimum |  |  |
Contingencies |  |  |
Amount of indirect tax credits expected to receive |  | $ 22 |
Indirect tax credits | Foreign | Brazil | Other operating income, net |  |  |
Contingencies |  |  |
Future tax credits | $ 22 |  |

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