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Pension, Retiree Medical and Retiree Savings Plans (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Contributions to defined benefit pension plans |  | $ (15.0) | $ (16.0) | $ (55.0) |  |  |  |  |  |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost |  | 5.0 | 5.0 |  |  |  |  |  |  |
Amortization of net loss |  | (2.0) | (17.0) |  |  |  |  |  |  |
Pension losses in accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) arising during the year |  | $ (39.0) | 32.0 | (17.0) |  |  |  |  |  |
Assumed health care cost trend rates [Abstract] |  |  |  |  |  |  |  |  |  |
Year that rate reaches ultimate trend rate |  | 2038 |  |  |  |  |  |  |  |
Effect of one-percentage point change in assumed health care cost trend rates [Abstract] |  |  |  |  |  |  |  |  |  |
Maximum 401(k) participant contribution of eligible compensation |  | 75.00% |  |  |  |  |  |  |  |
Company match of participant contribution up to 6% of eligible compensation |  | 100.00% |  |  |  |  |  |  |  |
Maximum company match of participant contribution of eligible compensation |  | 6.00% |  |  |  |  |  |  |  |
Defined Contribution Plan, Cost |  | $ 11.0 | 12.0 | 13.0 |  |  |  |  |  |
Pension settlement charges |  | (3.0) |  |  |  |  |  |  |  |
Foreign Pension Plan [Member] |  |  |  |  |  |  |  |  |  |
Change in benefit obligation |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | 233.0 |  |  |  |  |  |  |  |
Benefit obligation at end of year |  | 290.0 | 233.0 |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | 319.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year |  | 372.0 | 319.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category |  | 319.0 | 319.0 |  |  | $ 372.0 |  | $ 319.0 |  |
United States |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Net Payable For Unsettled Transactions |  |  |  |  |  | 169.0 |  | 41.0 |  |
Pension data adjustment | [1] | 0.0 | 0.0 | 22.0 |  |  |  |  |  |
Defined Benefit Plan, Benefit Obligation, Benefits Paid |  | (57.0) | (73.0) |  |  |  |  |  |  |
Change in benefit obligation |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | 873.0 | 1,007.0 |  |  |  |  |  |  |
Service cost |  | 6.0 | 8.0 | 10.0 |  |  |  |  |  |
Interest cost |  | 39.0 | 38.0 | 41.0 |  |  |  |  |  |
Plan amendments |  | 2.0 | 1.0 |  |  |  |  |  |  |
Curtailment |  | 0.0 | 0.0 |  |  |  |  |  |  |
Special termination benefits |  | 0.0 | 1.0 | 2.0 |  |  |  |  |  |
Settlement payments |  | 1.0 | 0.0 |  |  |  |  |  |  |
Actuarial (gain) loss |  | 153.0 | (109.0) |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Administration Expense |  | 0.0 | 0.0 |  |  |  |  |  |  |
Benefit obligation at end of year |  | 1,015.0 | 873.0 | 1,007.0 |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | 755.0 | 864.0 |  |  |  |  |  |  |
Actual return on plan assets |  | 176.0 | (49.0) |  |  |  |  |  |  |
Employer contributions |  | 12.0 | 13.0 |  |  |  |  |  |  |
Settlement payments |  | 0.0 | 0.0 |  |  |  |  |  |  |
Fair value of plan assets at end of year |  | 886.0 | 755.0 | 864.0 |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Benefits Paid |  | (57.0) | (73.0) |  |  |  |  |  |  |
Funded status at end of year |  |  |  |  |  | (129.0) |  | (118.0) |  |
Benefit Payments [Abstract] |  |  |  |  |  |  |  |  |  |
2016 |  |  |  |  |  | 43.0 |  |  |  |
2017 |  |  |  |  |  | 47.0 |  |  |  |
2018 |  |  |  |  |  | 49.0 |  |  |  |
2019 |  |  |  |  |  | 52.0 |  |  |  |
2020 |  |  |  |  |  | 53.0 |  |  |  |
2021 - 2025 |  |  |  |  |  | 287.0 |  |  |  |
Amounts recognized in the Consolidated Balance Sheet: |  |  |  |  |  |  |  |  |  |
Accrued benefit liability - current |  |  |  |  |  | (4.0) |  | (5.0) |  |
Accrued benefit liability - non-current |  |  |  |  |  | (125.0) |  | (113.0) |  |
Accrued benefit amounts recognized |  |  |  |  |  | (129.0) |  | (118.0) |  |
Amounts recognized as a loss in Accumulated Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |
Actuarial net gain |  |  |  |  |  | 118.0 |  | 101.0 |  |
Prior service cost |  |  |  |  |  | (18.0) |  | (22.0) |  |
Amounts recognized as a loss in Accumulated Other Comprehensive Income |  | (123.0) | (123.0) | (160.0) |  | (136.0) |  | (123.0) |  | $ (160.0)
Accumulated benefit obligation |  |  |  |  |  | 984.0 |  | 849.0 |  |
Information for pension plans with an accumulated benefit obligation in excess of plan assets: |  |  |  |  |  |  |  |  |  |
Projected benefit obligation |  |  |  |  |  | 1,015.0 |  | 873.0 |  |
Accumulated benefit obligation |  |  |  |  |  | 984.0 |  | 849.0 |  |
Fair value of plan assets |  |  |  |  |  | 886.0 |  | 755.0 |  |
Information for pension plans with a projected benefit obligation in excess of plan assets: |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation |  |  |  |  |  | 1,015.0 |  | 873.0 |  |
Accumulated benefit obligation |  |  |  |  |  | 984.0 |  | 849.0 |  |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets |  |  |  |  |  | 886.0 |  | 755.0 |  |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |
Service cost |  | 6.0 | 8.0 | 10.0 |  |  |  |  |  |
Interest cost |  | 39.0 | 38.0 | 41.0 |  |  |  |  |  |
Amortization of prior service cost | [2] | 6.0 | 5.0 | 6.0 |  |  |  |  |  |
Expected return on plan assets |  | 44.0 | 44.0 | 45.0 |  |  |  |  |  |
Amortization of net loss |  | (1.0) | (16.0) | (5.0) |  |  |  |  |  |
Net periodic benefit cost |  | 8.0 | 23.0 | 17.0 |  |  |  |  |  |
Additional loss recognized due to: |  |  |  |  |  |  |  |  |  |
Special termination benefits |  | 0.0 | 1.0 | 2.0 |  |  |  |  |  |
Pension losses in accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |
Beginning of year |  | (123.0) | (160.0) |  |  |  |  |  |  |
Unrealized gains (losses) arising during the year |  | (22.0) | 17.0 |  |  |  |  |  |  |
Other Comprehensive Income (Loss),Defined Benefit Plans, Curtailment Gain (Loss), before Tax |  | 0.0 | 0.0 |  |  |  |  |  |  |
Curtailment gain |  | 4.0 | 0.0 |  |  |  |  |  |  |
Amortization of net loss |  | 1.0 | 16.0 |  |  |  |  |  |  |
Amortization of prior service cost |  | 6.0 | 5.0 |  |  |  |  |  |  |
Prior service cost |  | (2.0) | (1.0) |  |  |  |  |  |  |
End of year |  | $ (136.0) | $ (123.0) | $ (160.0) |  |  |  |  |  |
Weighted-average assumptions used to determine benefit obligations at the measurement dates: |  |  |  |  |  |  |  |  |  |
Discount rate (in hundredths) |  | 3.50% | 4.60% |  |  |  | 3.50% |  | 4.60% | 3.90%
Rate of compensation increase (in hundredths) |  | 3.00% | 3.00% |  |  |  |  |  |  |
Weighted-average assumptions used to determine the net periodic benefit cost for fiscal years: |  |  |  |  |  |  |  |  |  |
Discount rate (in hundredths) |  | 4.60% | 3.90% | 4.53% | [3] |  |  |  |  |
Long-term rate return on plan assets (in hundredths) |  | 5.75% | 5.65% | 6.06% | [3] |  |  |  |  |
Rate of compensation increase (in hundredths) |  | 3.00% | 3.75% | 3.75% | [3] |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category |  | $ 886.0 | $ 864.0 | $ 864.0 |  | 886.0 |  | 755.0 |  | $ 864.0
Equity securities, target allocation (in hundredths) |  | 50.00% |  |  |  |  |  |  |  |
Value of mutual fund held as an investment that includes YUM stock |  |  |  |  |  | 0.3 |  | 0.3 |  |
Approximate percentage of total plan assets in investment that includes YUM stock (in hundredths) |  | 1.00% | 1.00% |  |  |  |  |  |  |
Effect of one-percentage point change in assumed health care cost trend rates [Abstract] |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year |  |  |  |  |  | 0.0 |  |  |  |
Pension settlement charges | [4] | $ (3.0) | $ 0.0 | (19.0) |  |  |  |  |  |
United States | Fair Value, Inputs, Level 1 [Member] | Cash [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | 3.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year |  | 5.0 | 3.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category |  | 3.0 | 3.0 |  |  | 5.0 |  | 3.0 |  |
United States | Fair Value, Inputs, Level 1 [Member] | Cash Equivalents [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [5] | 10.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [5] | 13.0 | 10.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [5] | 10.0 | 10.0 |  |  | 13.0 |  | 10.0 |  |
United States | Fair Value, Inputs, Level 1 [Member] | Equity Securities - US Large cap [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [6] | 215.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [6] | 268.0 | 215.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [6] | 215.0 | 215.0 |  |  | 268.0 |  | 215.0 |  |
United States | Fair Value, Inputs, Level 1 [Member] | Debt Security, Corporate, US [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [6] | 140.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [6] | 161.0 | 140.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [6] | 140.0 | 140.0 |  |  | 161.0 |  | 140.0 |  |
United States | Fair Value, Inputs, Level 1 [Member] | Equity Securities - US Mid cap [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [6] | 35.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [6] | 44.0 | 35.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [6] | 35.0 | 35.0 |  |  | 44.0 |  | 35.0 |  |
United States | Fair Value, Inputs, Level 1 [Member] | Equity Securities - US Small cap [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [6] | 34.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [6] | 43.0 | 34.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [6] | 34.0 | 34.0 |  |  | 43.0 |  | 34.0 |  |
United States | Fair Value, Inputs, Level 2 [Member] | Debt Security, Corporate, US [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [7] | 106.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [7] | 120.0 | 106.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [7] | 106.0 | 106.0 |  |  | 120.0 |  | 106.0 |  |
United States | Fair Value, Inputs, Level 2 [Member] | US Treasury and Government [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [8] | 161.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [8] | 274.0 | 161.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [8] | 161.0 | 161.0 |  |  | 274.0 |  | 161.0 |  |
United States | Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [8] | 18.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [8] | 39.0 | 18.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [8] | 18.0 | 18.0 |  |  | 39.0 |  | 18.0 |  |
United States | Fair value of plan assets, amount settled prior to year end [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [9] | 796.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [9] | 1,055.0 | 796.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [9] | 796.0 | 796.0 |  |  | 1,055.0 |  | 796.0 |  |
Non-US [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities - Non US [Member] |  |  |  |  |  |  |  |  |  |
Change in plan assets |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | [6] | 74.0 |  |  |  |  |  |  |  |
Fair value of plan assets at end of year | [6] | 88.0 | 74.0 |  |  |  |  |  |  |
Plan Assets [Abstract] |  |  |  |  |  |  |  |  |  |
Fair value of plan assets by asset category | [6] | 74.0 | 74.0 |  |  | 88.0 |  | 74.0 |  |
Other pension (income) expense [Member] | United States |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Pension data adjustment |  |  |  | 22.0 |  |  |  |  |  |
Other Postretirement Benefits Plan [Member] |  |  |  |  |  |  |  |  |  |
Benefit Payments [Abstract] |  |  |  |  |  |  |  |  |  |
2016 |  |  |  |  |  | 4.0 |  |  |  |
2017 |  |  |  |  |  | 4.0 |  |  |  |
2018 |  |  |  |  |  | 4.0 |  |  |  |
2019 |  |  |  |  |  | 4.0 |  |  |  |
2020 |  |  |  |  |  | 4.0 |  |  |  |
2021 - 2025 |  |  |  |  |  | 14.0 |  |  |  |
Amounts recognized as a loss in Accumulated Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |
Actuarial net gain |  |  |  |  |  | (9.0) |  | (13.0) |  |
Accumulated benefit obligation |  |  |  |  |  | $ 44.0 |  | $ 45.0 |  |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |
Net periodic benefit cost |  | $ 1.0 | $ 2.0 | $ 2.0 |  |  |  |  |  |
[1] | Reflects a non-cash, out-of-year charge related to the adjustment of certain historical deferred vested liability balances in the Plan during the first quarter of 2017 recorded in Other pension (income) expense. See Note 4.
[2] | Prior service costs are amortized on a straight-line basis over the average remaining service period of employees expected to receive benefits.
[3] | (a) Reflects a weighted average due to interim re-measurements in 2017.
[4] | Settlement losses result when benefit payments exceed the sum of the service cost and interest cost within a plan during the year. These losses were recorded in Other pension (income) expense.
[5] | Short-term investments in money market funds.
[6] | Securities held in common trusts.
[7] | Investments held directly by the Plan.
[8] | Includes securities held in common trusts and investments held directly by the Plan.
[9] | (e) 2019 and 2018 exclude net unsettled trade payables of $169 million and $41 million, respectively.

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Pension data adjustment + References No definition available. + Details
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