Pension, Retiree Medical and Retiree Savings Plans (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	[1]	$ 1.0	$ 5.0
Pension Unrealized gains (losses) arising during the year		$ 12.0	115.0	$ (65.0)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	[1]		7.0
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		$ 15.0	13.0	11.0
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 by asset category	[2]	$ 132.0	146.0
Fair value of plan assets at beginning of year	[2]	146.0
Fair value of plan assets at end of year	[2]	132.0	146.0
Defined Benefit Plan, Plan Assets, Amount	[2]	132.0	146.0
Real Assets | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[2]	149.0	192.0
Fair value of plan assets at beginning of year	[2]	192.0
Fair value of plan assets at end of year	[2]	149.0	192.0
Defined Benefit Plan, Plan Assets, Amount	[2]	149.0	192.0
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year		179.0
Fair value of plan assets by asset category		226.0	209.0
Fair value of plan assets at beginning of year		209.0
Fair value of plan assets at end of year		226.0	209.0
Defined Benefit Plan, Plan Assets, Amount		226.0	209.0
Benefit obligation at end of year		190.0	179.0
Net periodic benefit cost		2.0	2.0	1.0
Actuarial net gain		(63.0)	(64.0)
United States
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year		755.0	1,069.0
Service cost		5.0	7.0	8.0
Interest cost		41.0	31.0	32.0
Fair value of plan assets by asset category		680.0	664.0	1,010.0
Fair value of plan assets at beginning of year		664.0	1,010.0
Fair value of plan assets at end of year		680.0	664.0	1,010.0
Defined Benefit Plan, Plan Assets, Amount		680.0	664.0	1,010.0
Defined Benefit Plan, Benefit Obligation, Benefits Paid		(34.0)	(29.0)
Settlement payments		0.0	59.0
Actuarial (gain) loss		11.0	(264.0)
Benefit obligation at end of year		$ 778.0	755.0	$ 1,069.0
Discount rate (in hundredths)		5.60%		3.00%	5.60%	5.60%
Actual return on plan assets		$ 46.0	(272.0)
Employer contributions		4.0	14.0
Defined Benefit Plan, Plan Assets, Benefits Paid		(34.0)	(29.0)
Defined Benefit Plan, Plan Assets, Payment for Settlement		0.0	(59.0)
Funded status at end of year		(98.0)	(91.0)
Assets for Plan Benefits, Defined Benefit Plan		0.0	0.0
Accrued benefit liability - current		(8.0)	(6.0)
Accrued benefit liability - non-current		(90.0)	(85.0)
Accrued benefit amounts recognized		(98.0)	(91.0)
Accumulated benefit obligation		763.0	740.0
Projected benefit obligation		778.0	755.0
Accumulated benefit obligation		763.0	740.0
Fair value of plan assets		680.0	644.0
Amortization of prior service cost	[3]	1.0	6.0	$ 6.0
Expected return on plan assets		(50.0)	(46.0)	(43.0)
Amortization of net loss		(1.0)	11.0	14.0
Net periodic benefit cost		(4.0)	9.0	17.0
Beginning of year		(74.0)	(43.0)
Pension Unrealized gains (losses) arising during the year		(13.0)	(54.0)
Amortization of net loss		(1.0)	11.0
Amortization of prior service cost		1.0	6.0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	[4]	0.0	6.0	0.0
End of year		(87.0)	(74.0)	(43.0)
Actuarial net gain		84.0	70.0
Prior service cost		(3.0)	(4.0)
Amounts recognized as a loss in Accumulated Other Comprehensive Income		$ (87.0)	$ (74.0)	$ (43.0)
Rate of compensation increase (in hundredths)		3.00%				3.00%
Discount rate (in hundredths)		5.60%	3.00%	2.80%
Long-term rate return on plan assets (in hundredths)		6.25%	5.40%	5.25%
Rate of compensation increase (in hundredths)		3.00%	3.00%	3.00%
Net Payable For Unsettled Transactions		$ 42.0	$ 49.0
Approximate percentage of total plan assets in investment that includes YUM stock (in hundredths)		1.00%
2022		$ 50.0
2023		54.0
2024		59.0
2025		57.0
2026		60.0
2027 - 2031		280.0
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	0.1
United States | Fair Value, Inputs, Level 1 [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category		0.0	1.0
Fair value of plan assets at beginning of year		1.0
Fair value of plan assets at end of year		0.0	1.0
Defined Benefit Plan, Plan Assets, Amount		0.0	1.0
United States | Fair Value, Inputs, Level 1 [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[5]	61.0	22.0
Fair value of plan assets at beginning of year	[5]	22.0
Fair value of plan assets at end of year	[5]	61.0	22.0
Defined Benefit Plan, Plan Assets, Amount	[5]	61.0	22.0
United States | Fair Value, Inputs, Level 1 [Member] | Debt Security, Corporate, US [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category		7.0	14.0
Fair value of plan assets at beginning of year		14.0
Fair value of plan assets at end of year		7.0	14.0
Defined Benefit Plan, Plan Assets, Amount		7.0	14.0
United States | Fair Value, Inputs, Level 2 [Member] | Debt Security, Corporate, US [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[6]	25.0	22.0
Fair value of plan assets at beginning of year	[6]	22.0
Fair value of plan assets at end of year	[6]	25.0	22.0
Defined Benefit Plan, Plan Assets, Amount	[6]	25.0	22.0
United States | Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[7]	11.0	19.0
Fair value of plan assets at beginning of year	[7]	19.0
Fair value of plan assets at end of year	[7]	11.0	19.0
Defined Benefit Plan, Plan Assets, Amount	[7]	11.0	19.0
United States | Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[7]	124.0	118.0
Fair value of plan assets at beginning of year	[7]	118.0
Fair value of plan assets at end of year	[7]	124.0	118.0
Defined Benefit Plan, Plan Assets, Amount	[7]	124.0	118.0
United States | Fair Value, Inputs, Level 2 [Member] | Equity Securities - US Large cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[8]	213.0	179.0
Fair value of plan assets at beginning of year	[8]	179.0
Fair value of plan assets at end of year	[8]	213.0	179.0
Defined Benefit Plan, Plan Assets, Amount	[8]	213.0	179.0
United States | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category	[9]	722.0	713.0
Fair value of plan assets at beginning of year	[9]	713.0
Fair value of plan assets at end of year	[9]	722.0	713.0
Defined Benefit Plan, Plan Assets, Amount	[9]	722.0	713.0
United States | FairValueInputsLevel1AndLevel2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets by asset category		441.0	375.0
Fair value of plan assets at beginning of year		375.0
Fair value of plan assets at end of year		441.0	375.0
Defined Benefit Plan, Plan Assets, Amount		441.0	375.0
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		27.0	30.0
Net periodic benefit cost		1.0	1.0	$ 1.0
Actuarial net gain		(15.0)	$ (16.0)
2022		3.0
2027 - 2031		$ 11.0

[1] Amounts reclassified from AOCI for pension and post-retirement benefit plans losses during 2023 include amortization of prior service cost of $1 million. Amounts reclassified from AOCI for pension and post-retirement benefit plans losses during 2022 include amortization of net losses of $22 million, amortization of prior service cost of $5 million, settlement charges of $7 million and related income tax benefit of $6 million. See Note 15.

[2] 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.

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

[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] Investments held directly by the Plan.

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

[8] Securities held in common or collective trusts.

[9] 2023 and 2022 exclude net unsettled trade payables of $42 million and $49 million, respectively.