v3.26.1
Business Acquisitions and Equity Investments - Narrative (Details)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Restaurant
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Restaurant
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2021
Mar. 31, 2021
Jun. 30, 2020
shares
Sep. 30, 2018
USD ($)
shares
Business Acquisitions And Equity Investments [Line Items]                    
Equity earnings $ 2 $ 2 $ 4 $ 6            
Investments $ 31   $ 31   $ 30          
Number of restaurants | Restaurant 15,700   15,700              
Due to related parties, current $ 171   $ 171   173          
Fujian Sunner Development Co., Ltd. [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Percentage of equity interest acquired               5.00%    
Equity earnings 1 1 3 3            
Purchase of inventories 105 89 201 175            
Investments 240   240   231          
Market value 139   139   147          
Carrying value of equity method investment exceeding underlying net assets $ 157   $ 157   153          
Finite-lived intangible asset, useful life 20 years   20 years              
Fujian Sunner Development Co., Ltd. [Member] | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent | Related Party [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Due to related parties, current $ 43   $ 43   34          
Fujian Sunner Development Co., Ltd. [Member] | Finite-Lived Intangible Assets [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Investment in net assets excess of carrying amount 14   14   15          
Meituan Dianping [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Unrealized investment gain (loss) (7) (17) (19) (15)            
Number of ordinary shares subscribed | shares                   8.4
Maximum percentage of ordinary shares subscribed                   1.00%
Fair value of Investment ordinary shares                   $ 74
Number of ordinary shares sold | shares                 4.2  
SnowValley Agricultural Group [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Fair value of Investment ordinary shares           $ 14        
Investments 15   15   15          
Fair value 0 $ 0 0 $ 0            
Hangzhou KFC [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Percentage of equity interest previously held by company             47.00%      
Percentage of equity interest by company             60.00%      
Hangzhou Catering [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Business acquisition, percentage of interest acquired             28.00%      
Investments 58   58   54          
Carrying value of equity method investment exceeding underlying net assets $ 22   $ 22   $ 22          
Finite-lived intangible asset, useful life 20 years   20 years              
Hangzhou Catering [Member] | Hangzhou KFC [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Percentage of equity interest acquired             45.00%      
Hangzhou Catering [Member] | Unconsolidated Affiliates [Member]                    
Business Acquisitions And Equity Investments [Line Items]                    
Percentage of equity interest acquired 28.00%   28.00%