Pension, Retiree Medical and Retiree Savings Plans (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost		$ 5.0	$ 5.0
Pension settlement charges		(7.0)
Pension Unrealized gains (losses) arising during the year		$ 115.0	(65.0)	$ 8.0
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		$ 13.0	11.0	10.0
Fixed Income Investments
Defined Benefit Plan Disclosure [Line Items]
Equity securities, target allocation (in hundredths)						49.00%
Diversified credit investments in a range of public and credit securities
Defined Benefit Plan Disclosure [Line Items]
Equity securities, target allocation (in hundredths)						40.00%
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Equity securities, target allocation (in hundredths)						32.00%
Real Estate Funds
Defined Benefit Plan Disclosure [Line Items]
Equity securities, target allocation (in hundredths)						19.00%
Fixed Income Securities [Member] | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year		0.0
Fair value of plan assets at end of year		146.0	0.0
Fair value of plan assets by asset category		146.0	0.0
Defined Benefit Plan, Plan Assets, Amount		146.0	0.0
Real Assets | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year		0.0
Fair value of plan assets at end of year		192.0	0.0
Fair value of plan assets by asset category		192.0	0.0
Defined Benefit Plan, Plan Assets, Amount		192.0	0.0
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year		351.0
Benefit obligation at end of year		179.0	351.0
Fair value of plan assets at beginning of year		446.0
Fair value of plan assets at end of year		209.0	446.0
Net periodic benefit cost		2.0	1.0	1.0
Actuarial net gain		(64.0)	(5.0)
Fair value of plan assets by asset category		209.0	446.0
Defined Benefit Plan, Plan Assets, Amount		209.0	446.0
United States
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year		1,069.0	1,133.0
Service cost		7.0	8.0	8.0
Interest cost		31.0	32.0	35.0
Plan amendments		0.0	1.0
Special termination benefits		0.0	0.0	2.0
Defined Benefit Plan, Benefit Obligation, Benefits Paid		(29.0)	(33.0)
Settlement payments		59.0	67.0
Actuarial (gain) loss		(264.0)	(5.0)
Benefit obligation at end of year		755.0	1,069.0	1,133.0
Discount rate (in hundredths)					5.60%	5.60%	3.00%	3.00%
Fair value of plan assets at beginning of year		1,010.0	1,014.0
Actual return on plan assets		(272.0)	88.0
Employer contributions		14.0	8.0
Defined Benefit Plan, Plan Assets, Benefits Paid		(29.0)	(33.0)
Defined Benefit Plan, Plan Assets, Payment for Settlement		(59.0)	(67.0)
Fair value of plan assets at end of year		664.0	1,010.0	1,014.0
Funded status at end of year		(91.0)	(59.0)
Assets for Plan Benefits, Defined Benefit Plan		0.0	43.0
Accrued benefit liability - current		(6.0)	(7.0)
Accrued benefit liability - non-current		(85.0)	(95.0)
Accrued benefit amounts recognized		(91.0)	(59.0)
Accumulated benefit obligation		740.0	1,048.0
Projected benefit obligation		755.0	102.0
Accumulated benefit obligation		740.0	98.0
Fair value of plan assets		644.0	0.0
Amortization of prior service cost	[1]	6.0	6.0	5.0
Expected return on plan assets		(46.0)	(43.0)	(43.0)
Amortization of net loss		(11.0)	(14.0)	(14.0)
Net periodic benefit cost		9.0	17.0	19.0
Pension settlement charges	[2]	(6.0)	0.0	0.0
Beginning of year		(43.0)	(111.0)
Pension Unrealized gains (losses) arising during the year		(54.0)	49.0
Amortization of net loss		11.0	14.0
Amortization of prior service cost		6.0	6.0
Prior service cost		0.0	(1.0)
End of year		(74.0)	(43.0)	(111.0)
Actuarial net gain		70.0	33.0
Prior service cost		(4.0)	(10.0)
Amounts recognized as a loss in Accumulated Other Comprehensive Income		$ (74.0)	$ (43.0)	$ (111.0)
Rate of compensation increase (in hundredths)						3.00%		3.00%
Discount rate (in hundredths)		3.00%	2.80%	3.50%
Long-term rate return on plan assets (in hundredths)		5.40%	5.25%	5.50%
Rate of compensation increase (in hundredths)		3.00%	3.00%	3.00%
Fair value of plan assets by asset category		$ 664.0	$ 1,010.0	$ 1,014.0
Net Payable For Unsettled Transactions		$ 49.0	58.0
Approximate percentage of total plan assets in investment that includes YUM stock (in hundredths)		1.00%
2022		$ 48.0
2023		49.0
2024		53.0
2025		57.0
2026		55.0
2027 - 2031		281.0
Defined Benefit Plan, Plan Assets, Amount		664.0	1,010.0	1,014.0
United States | Defined Benefit Plan, Equity Securities, Common Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Value of mutual fund held as an investment that includes YUM stock		0.1	0.2
United States | Fair Value, Inputs, Level 1 [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year		237.0
Fair value of plan assets at end of year		1.0	237.0
Fair value of plan assets by asset category		1.0	237.0
Defined Benefit Plan, Plan Assets, Amount		1.0	237.0
United States | Fair Value, Inputs, Level 1 [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[3]	80.0
Fair value of plan assets at end of year	[3]	22.0	80.0
Fair value of plan assets by asset category	[3]	22.0	80.0
Defined Benefit Plan, Plan Assets, Amount	[3]	22.0	80.0
United States | Fair Value, Inputs, Level 1 [Member] | Debt Security, Corporate, US [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[4]	41.0
Fair value of plan assets at end of year	[4]	14.0	41.0
Fair value of plan assets by asset category	[4]	14.0	41.0
Defined Benefit Plan, Plan Assets, Amount	[4]	14.0	41.0
United States | Fair Value, Inputs, Level 2 [Member] | Debt Security, Corporate, US [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year		49.0
Fair value of plan assets at end of year		22.0	49.0
Fair value of plan assets by asset category		22.0	49.0
Defined Benefit Plan, Plan Assets, Amount		22.0	49.0
United States | Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[5]	30.0
Fair value of plan assets at end of year	[5]	19.0	30.0
Fair value of plan assets by asset category	[5]	19.0	30.0
Defined Benefit Plan, Plan Assets, Amount	[5]	19.0	30.0
United States | Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[5]	175.0
Fair value of plan assets at end of year	[5]	118.0	175.0
Fair value of plan assets by asset category	[5]	118.0	175.0
Defined Benefit Plan, Plan Assets, Amount	[5]	118.0	175.0
United States | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year		1,068.0
Fair value of plan assets at end of year		713.0	1,068.0
Fair value of plan assets by asset category		713.0	1,068.0
Defined Benefit Plan, Plan Assets, Amount		713.0	1,068.0
United States | FairValueInputsLevel1AndLevel2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[6]	612.0
Fair value of plan assets at end of year	[6]	196.0	612.0
Fair value of plan assets by asset category	[6]	196.0	612.0
Defined Benefit Plan, Plan Assets, Amount	[6]	196.0	612.0
United States | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	[7]	456.0
Fair value of plan assets at end of year	[7]	179.0	456.0
Fair value of plan assets by asset category	[7]	179.0	456.0
Defined Benefit Plan, Plan Assets, Amount	[7]	179.0	456.0
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		30.0	42.0
Net periodic benefit cost		1.0	1.0	$ 1.0
Actuarial net gain		(16.0)	$ (6.0)
2022		3.0
2027 - 2031		$ 12.0

[1] Prior service costs are amortized on a straight-line basis over the average remaining service period of employees expected to receive benefits.

[2] 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.

[3] Short-term investments in money market funds.

[4] Securities held in common or collective trusts.(c)Investments held directly by the Plan.

[5] Includes securities held in common or collective trusts and investments held directly by the Plan.

[6] and 2021 exclude net unsettled trade payables of $49 million and $58 million, respectively.

[7] Includes securities that have been measured at fair value using the net asset value per unit practical expedient due to the absence of readily available market prices. Accordingly, these securities have not been classified in the fair value hierarchy.