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Note 2. Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details 5) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Pizza Hut Global Division [Member] | Incremental Advertising [Member] |  |  |
Costs associated with PH U.S. Acceleration Agreement | $ 25 |  |
Franchise and license expenses [Member] | Pizza Hut Global Division [Member] | Incremental Advertising [Member] |  |  |
Costs associated with PH U.S. Acceleration Agreement | 25 |  |
Incremental Advertising [Member] | KFC Global Division [Member] |  |  |
Costs associated with KFC U.S. Acceleration Agreement | $ 20 | $ 20 | $ 10

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- Details
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- Details
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- Details
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- Details
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