v3.26.1
Acquisitions and Divestitures (Narrative) (Details)
$ in Millions
6 Months Ended
Mar. 29, 2026
USD ($)
store
Sep. 28, 2025
USD ($)
Oct. 14, 2024
Business Combination [Line Items]      
Assets held for sale $ 5,043.4 $ 0.0  
Liabilities held for sale 1,685.6 0.0  
Enterprise Value of Divested Entity $ 4,000.0    
Number of Stores, 23.5 Degrees | store 113    
Disposal Group, Held-for-Sale, Not Discontinued Operations      
Business Combination [Line Items]      
Disposal Group, Cash and Cash Equivalents $ 570.0    
Disposal Group, Notes and Loans Receivable, Net 63.7    
Disposal Group, Inventory 112.9    
Disposal Group, Prepaid and Other Assets, Current 54.5    
Disposal Group, Property, Plant and Equipment 912.4    
Disposal Group, Operating lease, right-of-use asset 1,075.6    
Disposal Group, Deferred Tax Assets 98.0    
Disposal Group, Other Assets, Noncurrent 56.3    
Disposal Group, Goodwill 2,100.0    
Assets held for sale 5,043.4 0.0  
Disposal Group, Accounts Payable 129.6    
Disposal Group, Accrued Liabilities 119.7    
Disposal Group, Employee Benefits 106.0    
Disposal Group, Operating lease liability 226.6    
Disposal Group, Deferred Revenue, Current 187.5    
Disposal Group, Long-term debt, Current Maturities 2.5    
Disposal Group, Operating lease liability, Noncurrent 829.3    
Disposal Group, Deferred Revenue, Noncurrent 16.4    
Disposal Group, Other Liabilities, Noncurrent 68.0    
Liabilities held for sale $ 1,685.6 $ 0.0  
Boyu Capital, JV Partner      
Business Combination [Line Items]      
Equity Method Investment, Ownership Percentage 60.00%    
Number of Stores, China Divestiture | store 7,991    
Starbucks JV Ownership      
Business Combination [Line Items]      
Equity Method Investment, Ownership Percentage 40.00%    
23.5 Degrees Topco Limited      
Business Combination [Line Items]      
Equity Method Investment, Ownership Percentage     100.00%