Items Affecting Comparability of Net Income and Cash Flows (Details) $ in Millions				3 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
		Apr. 01, 2022 USD ($) Rate	Jun. 01, 2021 USD ($) Rate	Jun. 30, 2021 USD ($)	Jun. 09, 2021 Rate	Dec. 31, 2021 Rate	Dec. 31, 2023 USD ($) restaurants Rate	Dec. 31, 2023 USD ($) restaurants Rate	Dec. 31, 2023 USD ($) restaurants Rate	Dec. 31, 2023 USD ($) restaurants Rate	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) restaurants	Dec. 31, 2022 USD ($) Rate	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 restaurants	Dec. 31, 2021 Rate	Dec. 31, 2021	Dec. 31, 2017 Rate	Dec. 31, 2020 restaurants Rate
Facility Actions [Line Items]
Proceeds from Divestiture of Businesses, Including Noncash Consideration							$ 60				$ 73				$ 85
Refranchising (gain) loss							(29)				(27)				(35)
General and administrative expenses							$ 1,193				1,140				1,060
Approximate Number Of System Units | restaurants							58,000	58,000	58,000	58,000
Investment Income, Nonoperating							$ 8				11				87
Payments for (Proceeds from) Investments							121				0				0
Investment (income) expense, net	[1]						7				11				86
Deferred income taxes							290				55				200
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent										0.00%				0.00%				(3.80%)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				$ 64
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount											(13)				(15)
Assets held for sale	[2]						$ 4	$ 4	$ 4	$ 4	190	$ 190	$ 190	$ 190
Effective Income Tax Rate Reconciliation, Percent									12.10%	12.10%			20.30%	20.30%			5.90%	5.90%	100.00%
Devyani
Facility Actions [Line Items]
Equity Method Investment, Ownership Percentage | Rate							5.00%	5.00%	5.00%	5.00%										5.00%
Number of stores refranchised
Facility Actions [Line Items]
Approximate Number Of System Units | restaurants																				60
Subsidiary Senior Unsecured Notes [Member] | Unsecured Debt [Member]
Facility Actions [Line Items]
Write off of Deferred Debt Issuance Cost															6
Repayments of Debt, Maturing in More than Three Months		$ 600	$ 1,050
Interest rate, stated (in hundredths) | Rate			5.25%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | Rate			102.625%
Payment for Debt Extinguishment or Debt Prepayment Cost			$ 28								23				28
Senior Unsecured Notes Due April 2025
Facility Actions [Line Items]
Interest rate, stated (in hundredths) | Rate		7.75%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | Rate		103.875%
Payment for Debt Extinguishment or Debt Prepayment Cost		$ 23
Debt Instrument, Face Amount											600	$ 600	$ 600	$ 600
Senior Unsecured Notes Due April 2025 | Secured Debt [Member]
Facility Actions [Line Items]
Write off of Deferred Debt Issuance Cost											5
Foreign [Member]
Facility Actions [Line Items]
Deferred income taxes							$ (99)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | Rate					19.00%	25.00%			15.00%
Gain (loss) on disposition of assets [Member]
Facility Actions [Line Items]
Number of Restaurants Refranchised | restaurants								15				22				83
General and Administrative Expense [Member]
Facility Actions [Line Items]
Costs Associated with Resource Optimization Initiative							21				11				8
KFC Global Division [Member]
Facility Actions [Line Items]
Refranchising (gain) loss							2				(3)				(1)
Pizza Hut Global Division [Member]
Facility Actions [Line Items]
Refranchising (gain) loss							2				(1)				1
Taco Bell Global Division [Member]
Facility Actions [Line Items]
Refranchising (gain) loss							(33)				(13)				(29)
The Habit Burger Grill Global Division
Facility Actions [Line Items]
Refranchising (gain) loss							0				$ (10)				(6)
Intra-Entity IP Transfers [Member]
Facility Actions [Line Items]
Deferred income taxes							$ (44)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability															$ 187

[1] Amounts have not been allocated to any segment for performance reporting purposes.

[2] Assets and liabilities held for sale reflect the carrying value of restaurants we have offered for sale to franchisees, excess properties that we do not intend to use for restaurant operations in the future and, at December 31, 2022, the assets and liabilities of KFC Russia. KFC Russia assets held for sale accounted for $185 million, including property, plant and equipment of $59 million, of the $190 million, while KFC Russia liabilities held for sale accounted for all of the $65 million as of December 31, 2022.