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Significant Accounting Policies - Foreign Currency Translation (Details) $ in Millions, $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) item | Jun. 30, 2018 | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2018 | Sep. 30, 2019 ARS ($)
Foreign Currency Translation |  |  |  |  |  |  |  |
Pre-tax charge | $ 45 |  | $ 51 |  | $ 349 | $ 144 |  |
Foreign currency transaction loss | $ 69 |  |  |  | $ 190 |  |  |
Venezuela |  |  |  |  |  |  |  |
Foreign Currency Translation |  |  |  |  |  |  |  |
Pre-tax charge |  | $ 162 |  |  |  |  |  |
Foreign currency transaction loss |  | $ (144) |  |  |  |  |  |
Subsidiary | Venezuela |  |  |  |  |  |  |  |
Foreign Currency Translation |  |  |  |  |  |  |  |
Denominator used to determine conversion from Venezuelan Bolivar to Sovereign Bolivar. | item |  |  | 100,000 |  |  |  |  |
Subsidiary | Argentina |  |  |  |  |  |  |  |
Foreign Currency Translation |  |  |  |  |  |  |  |
Threshold percentage used to determine if economic environment is highly inflationary |  |  |  | 100.00% |  |  |  |
Number of years used to determine if economic environment is highly inflationary |  |  |  | 3 years |  |  |  |
Foreign currency exchange rate |  |  |  |  |  |  |  | 57
Maximum | Subsidiary | Argentina |  |  |  |  |  |  |  |
Foreign Currency Translation |  |  |  |  |  |  |  |
Operating income of subsidiaries as percent of consolidated amount high end of range |  |  |  |  |  |  | 0.50% |
Balance of the Company's overall net monetary assets valued functional currency |  |  |  |  |  |  |  | $ 430

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- Definition The denominator used to determine the conversion from the Venezuelan Bolivar to the Sovereign Bolivar. + References No definition available. + Details
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- Definition The number of years used in the calculation to determine whether an economic environment is highly inflationary for purposes of determining the functional currency of an entity. + References No definition available. + Details
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- Definition The operating income of a subsidiary (located in the highly inflationary country of Venezuela) as a percentage of the consolidated operating income, high end of range. + References No definition available. + Details
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