v3.26.3
Acquisitions and Equity Investments - Narrative (Details)
shares in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2026
USD ($)
Sep. 30, 2026
USD ($)
Restaurant
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Restaurant
Sep. 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 $ 6 $ 6 $ 12            
Investments   $ 34   $ 34   $ 30          
Number of restaurants | Restaurant   16,100   16,100              
Due to related parties, current   $ 180   $ 180   173          
Fujian Sunner Development Co., Ltd. [Member]                      
Business Acquisitions And Equity Investments [Line Items]                      
Percentage of equity interest acquired                 5.00%    
Equity earnings   2 5 5 8            
Purchase of inventories   119 97 320 272            
Investments   244   244   231          
Market value   141   141   147          
Carrying value of equity method investment exceeding underlying net assets   $ 158   $ 158   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   $ 44   $ 44   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)   1 (11) (18) (26)            
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%      
Pizza Hut Brand [Member]                      
Business Acquisitions And Equity Investments [Line Items]                      
Cash consideration paid to acquire interest $ 1,200                    
Business combination assets acquired and liabilities assumed, deferred tax liability 45                    
Carrying amount assigned to intangible assets 1,264                    
Business combination deferred tax liability $ 45                    
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   $ 21   $ 21   $ 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%