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Share-based and Deferred Compensation Plans (Details) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) groups $ / shares shares | Dec. 31, 2016 USD ($) $ / shares shares | Dec. 31, 2015 USD ($) $ / shares
Award Valuation |  |  |  |  |  |  |  |  |
Risk-free interest rate (in hundredths) |  |  |  |  | 1.90% |  | 1.40% |  | 1.30%
Expected term (years) |  |  |  |  | 6 years 5 months |  | 6 years 5 months |  | 6 years 5 months
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |  |  |  |  | 22.90% |  | 27.00% |  | 26.90%
Expected dividend yield (in hundredths) |  |  |  |  | 1.80% |  | 2.60% |  | 2.20%
Number of homogeneous groups appropriate to group awards into when estimating expected term | groups |  |  |  |  | 2 |  |  |  |
Summary of award activity - Stock options and SARs, additional disclosures [Abstract] |  |  |  |  |  |  |  |  |
Options outstanding at the end of the year (in shares) | shares |  |  |  |  | 943 |  |  |  |
SARs outstanding at the end of the year (in shares) | shares |  |  |  |  | 17,342 |  |  |  |
Options outstanding at the end of the year, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 36.63 |  |  |  |
SARs outstanding at the end of the year, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 45.30 |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense |  |  |  |  | $ 117 |  | $ 0 |  | $ 0
Cash received from stock options exercises |  |  |  |  | 12 |  | $ 5 |  | $ 12
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options |  |  |  |  | $ 153 |  |  |  |
Stock Options and Stock Appreciation Rights [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Minimum vesting period of outstanding awards (in years) |  |  |  |  | P1Y10M0D |  |  |  |
Summary of award activity - Stock options and SARs [Roll Forward] |  |  |  |  |  |  |  |  |
Granted (in shares) | shares |  |  |  |  | 2,879 |  |  |  |
Exercised (in shares) | shares |  |  |  |  | (4,269) |  |  |  |
Forfeited or expired (in shares) | shares |  |  |  |  | (1,567) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price | $ / shares |  |  |  |  | $ 54.98 |  |  |  |
Summary of award activity - Stock options and SARs, additional disclosures [Abstract] |  |  |  |  |  |  |  |  |
Granted, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  |  | 67.93 |  |  |  |
Exercised, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 36.45 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |  |  |  |  | $ 672 |  |  |  |
Exercisable at the end of the year (in shares) | shares |  |  |  |  | 11,971 |  |  |  |
Exercisable at the end of the year, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 38.07 |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award, Options, Exercisable Weighted Average Remaining Contractual Term |  |  |  |  | 4 years |  |  |  |
Exercisable at the end of the year, Aggregate intrinsic value (in dollars) |  |  |  |  | $ 521 |  |  |  |
Options outstanding at the end of the year (in shares) | shares |  |  |  | 21,242 | 18,285 | [1] | 21,242 |  |
Options outstanding at the end of the year, Weighted-average exercise price (in dollars per share) | $ / shares |  |  |  | $ 40.78 | $ 44.85 |  | $ 40.78 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term |  |  |  |  | 5 years 5 months |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |  |  |  |  | $ 14.08 |  | $ 14.40 |  | $ 15.95
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value |  |  |  |  | $ 154 |  | $ 263 |  | $ 153
Unrecognized compensation cost |  |  |  |  | 55 |  |  |  |
Restricted Stock Units And Performance Share Units [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  |  |  |  | 10 |  | 7 |  | 11
Summary of award activity - Stock options and SARs, additional disclosures [Abstract] |  |  |  |  |  |  |  |  |
Unrecognized compensation cost |  |  |  |  | $ 20 |  |  |  |
Unvested RSUs and PSUs | shares |  |  |  |  | 1,000 |  |  |  |
Long Term Incentive Plans [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Number of stock award plans in effect |  |  |  |  | 1 |  |  |  |
Minimum vesting period of outstanding awards (in years) |  |  |  |  | immediate |  |  |  |
Maximum vesting period of outstanding awards (in years) |  |  |  |  | 5 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  | 10 years |  |  |  |
Approximate number of shares available for grant (in shares) | shares |  |  |  |  | 28,000 |  |  |  |
Executive Income Deferral Plan [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Percentage of Company match on amount deferred (in hundredths) |  |  |  |  | 33.00% |  |  |  |
Executive Income Deferral Plan [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period (in years) |  |  |  |  | 2 years |  |  |  |
Employer Method [Member] | Stock Options and Stock Appreciation Rights [Member] |  |  |  |  |  |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
Award Modification Description |  |  |  |  | the exercise prices of the awards were modified to maintain the pre-Separation intrinsic value of the awards in relation to the post-Separation stock price of the applicable company |  |  |  |
Employer Method [Member] | Restricted Stock Units And Performance Share Units [Member] |  |  |  |  |  |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
Award Modification Description |  |  |  |  | the number of awards was modified to maintain the pre-Separation intrinsic value of the awards in relation to the post-Separation stock price of the applicable company |  |  |  |
Mark-to-Market of YUM China Funds [Member] | Executive Income Deferral Plan [Member] |  |  |  |  |  |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  | $ 18 |  | 30 |  |
Continuing Operations [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Expense |  |  |  |  | 65 | [2] | 80 | [3] | 46
Employee Service Share-based Compensation, Deferred Tax Benefit from Compensation Expense | [2] |  |  |  | 22 |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense |  |  |  |  |  |  | 26 |  | 15
EID compensation expense not share-based |  |  |  |  | 12 |  | 5 |  | 1
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options |  |  |  |  |  |  | 109 |  | 62
General and administrative expenses |  |  |  |  | 999 |  | 1,129 |  | 1,058
Continuing Operations [Member] | Stock Options and Stock Appreciation Rights [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Expense |  |  |  |  | 30 |  | 38 |  | 41
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  |  |  |  | 33 |  | 41 |  | 42
Continuing Operations [Member] | Performance Share Units [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Expense |  |  |  |  | 9 |  | 4 |  | 2
Continuing Operations [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Expense |  |  |  |  | 26 |  | 38 |  | $ 3
Unallocated amounts to segment [Member] | Mark-to-Market of YUM China Funds [Member] | Executive Income Deferral Plan [Member] |  |  |  |  |  |  |  |  |
Impact on net income [Abstract] |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  | $ 18 |  | $ 30 |  |
Unallocated amounts to segment [Member] | Continuing Operations [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Expense | [2] | $ 16 | $ 2 | $ 30 |  |  |  |  |
Restaurant-level Employees [Domain] | Long Term Incentive Plans [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  | 10 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Average Exercise Period |  |  |  |  | 5 years |  |  |  |
Vesting period (in years) |  |  |  |  | 4 years |  |  |  |
Executives [Domain] | Long Term Incentive Plans [Member] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  | 10 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Average Exercise Period |  |  |  |  | 6 years 6 months |  |  |  |
Vesting period (in years) |  |  |  |  | 4 years |  |  |  |
Award Valuation |  |  |  |  |  |  |  |  |
Graded vesting schedule of grants made to executives under other stock award plans |  |  |  |  | 25% |  |  |  |
[1] | Outstanding awards include 943 options and 17,342 SARs with weighted average exercise prices of $36.63 and $45.30, respectively. Outstanding awards represent YUM awards held by employees of both YUM and Yum China.
[2] | Includes $18 million due to appreciation in the market price of Yum China's stock. See Note 5.
[3] | Includes $30 million due to modifications of awards in connection with the Separation that was not allocated to any of our operating segments for performance purposes. See Note 5.

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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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