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Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020
Contingencies |  |  |  |  |
Brazil tax matter |  |  | $ 36 | $ 22 |
Brazilian indirect tax credits | $ 18 | $ 8 | 18 | 8 | $ 18
Indirect tax credits | Foreign |  |  |  |  |
Contingencies |  |  |  |  |
Brazil tax matter | 35 | $ 22 | 35 | 22 |
Brazilian indirect tax credits | 18 |  | 18 |  | 18
Future tax credits | $ 57 |  | 57 |  | 57
Pre-tax benefit |  |  | 1 |  |
Tax provision benefit |  |  | 3 |  |
Indirect tax credits | Foreign | Tax years 2005 - 2018 | Maximum |  |  |  |  |
Contingencies |  |  |  |  |
Amount of indirect tax credits expected to receive |  |  |  | 66 |
Indirect tax credits | Foreign | Tax years 2015 - 2018 |  |  |  |  |
Contingencies |  |  |  |  |
Amount of indirect tax credits expected to receive |  |  | 9 |  |
Indirect tax credits | Foreign | Tax years 2005 - 2014 | Minimum |  |  |  |  |
Contingencies |  |  |  |  |
Amount of indirect tax credits expected to receive |  |  |  | 22 |
Indirect tax credits | Foreign | Tax years 2005 - 2014 | Other operating income, net |  |  |  |  |
Contingencies |  |  |  |  |
Brazil tax matter |  |  | $ 35 | $ 22 | $ 57

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