Fair Value Disclosures (Details) - Fair Value, Measurements, Nonrecurring [Member] - Fair Value, Inputs, Level 3 - USD ($) $ in Millions |
12 Months Ended | |||||||||||
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Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||||||||||
Total expense recognized from non-recurring fair value measurements | $ 54 | $ 51 | $ 498 | |||||||||
Little Sheep Trademark [Member] | ||||||||||||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||||||||||
Total expense recognized from non-recurring fair value measurements | [1] | 463 | ||||||||||
Restaurant-level impairment [Member] | ||||||||||||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||||||||||
Total expense recognized from non-recurring fair value measurements | [2] | 58 | $ 51 | $ 35 | ||||||||
Incremental Restaurant-level Impairment Upon Separation [Member] | ||||||||||||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||||||||||
Total expense recognized from non-recurring fair value measurements | [3] | 17 | ||||||||||
Changes in fair value of financial instruments [Member] | ||||||||||||
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||||||||||||
Total expense recognized from non-recurring fair value measurements | [4] | $ (21) | ||||||||||
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