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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 51 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019
Income Tax And Effective Tax Rate [Abstract] |  |  |
Effective tax rate | 12.30% | 15.00% |
Equipment [Member] | Franchise and property expenses [Member] |  |  |
Costs associated with KFC U.S. Acceleration Agreement | $ 1 | $ 1 | $ 122

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