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Financial Statement Presentation (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 restaurants operating_segments Months weeks countries_and_territiories | Jan. 01, 2018 USD ($)
Number of Reportable Segments | operating_segments | 3 |
Number of Countries in which Entity Operates | countries_and_territiories | 140 |
Number of Stores | restaurants | 45,000 |
Percent Of System Units Located Outside United States | 61.00% |
Fiscal Period Weeks Standard for U.S. subsidiaries and certain international subsidiaries | 12 |
Fiscal Period Weeks Standard Fourth Quarter | 16 |
Number of weeks in a standard year | 52 |
Fiscal Period Weeks Standard Fourth Quarter of a 53rd Week Year for U.S. subsidiaries and certain international subsidiaries | 17 |
Number of weeks in a 53rd week year | 53 |
Fiscal period months standard for each quarter | Months | 3 |
Accounting Standards Update 2016-16 [Member] | Other Assets [Member] |  |
Write-off of unamortized tax consequence of certain historical intra-entity transfers of assets | $ |  | $ (30)
Accounting Standards Update 2018-02 [Member] |  |
Reclassification from accumulated other comprehensive (income) loss to accumulated deficit for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017 | $ |  | $ 19

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