v3.26.1
Derivative Financial Instruments (Pretax Gains and Losses on Derivative Contracts Designated as Hedging Instruments Recognized in OCI and Reclassifications from AOCI to Earnings) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 28, 2026
Dec. 28, 2025
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Sep. 28, 2025
Cash Flow Hedges            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments $ 3.1   $ (83.8) $ 17.9 $ (20.8)  
Cash Flow Hedges | Coffee            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 16.1 $ 23.3        
Cash Flow Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 33.0 19.0        
Cash Flow Hedges | Interest rates            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 1.9 $ (1.4)        
Net Investment Hedges            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on net investment hedging instruments 41.2   (77.4) 105.0 143.2  
Net Investment Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivatives used in Net Investment Hedge, Net of Tax 309.5     309.5   $ 206.2
Net Investment Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivatives used in Net Investment Hedge, Net of Tax 17.2     17.2   16.0
Net Investment Hedges | Foreign currency debt            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivatives used in Net Investment Hedge, Net of Tax 135.2     135.2   $ 135.2
Designated Derivative Instruments: | Cash Flow Hedges | Coffee            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments (10.3)   (49.6) (22.9) (36.2)  
Designated Derivative Instruments: | Cash Flow Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 0.0   0.0 0.0 0.9  
Designated Derivative Instruments: | Cash Flow Hedges | Dairy            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 0.0   0.0 0.0 (1.3)  
Designated Derivative Instruments: | Cash Flow Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 13.4   (32.9) 40.8 17.1  
Designated Derivative Instruments: | Cash Flow Hedges | Interest rates            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on cash flow hedging instruments 0.0   (1.3) 0.0 (1.3)  
Designated Derivative Instruments: | Net Investment Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on net investment hedging instruments 41.2   (77.4) 105.0 143.2  
Designated Derivative Instruments: | Net Investment Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Unrealized gains/(losses) on net investment hedging instruments 0.0   0.0 0.0 0.0  
Income Statement Location [Axis]: us-gaap:DeconsolidationGainOrLossAmount | Designated Derivative Instruments: | Net Investment Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings (98.1)   0.0 (98.1) 0.0  
Income Statement Location [Axis]: us-gaap:DeconsolidationGainOrLossAmount | Designated Derivative Instruments: | Net Investment Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings (1.6)   0.0 (1.6) 0.0  
Income Statement Location [Axis]: us-gaap:InterestAndOtherIncome | Designated Derivative Instruments: | Cash Flow Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings 0.0   0.0 0.0 1.4  
Income Statement Location [Axis]: us-gaap:InterestExpense | Designated Derivative Instruments: | Cash Flow Hedges | Interest rates            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings (2.1)   (1.0) (4.5) (3.0)  
Income Statement Location [Axis]: us-gaap:InterestExpense | Designated Derivative Instruments: | Net Investment Hedges | Cross-currency swaps            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings 14.0   27.0 64.8 82.4  
Income Statement Location [Axis]: us-gaap:ProductionAndDistributionCosts | Designated Derivative Instruments: | Cash Flow Hedges | Coffee            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings 3.0   17.0 (14.6) 62.1  
Income Statement Location [Axis]: us-gaap:ProductionAndDistributionCosts | Designated Derivative Instruments: | Cash Flow Hedges | Dairy            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings 0.0   0.0 0.0 1.4  
Income Statement Location [Axis]: us-gaap:ProductionAndDistributionCosts | Designated Derivative Instruments: | Cash Flow Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings 0.7   3.5 4.0 7.8  
Income Statement Location [Axis]: us-gaap:Revenues | Designated Derivative Instruments: | Cash Flow Hedges | Foreign currency - other            
Derivative Instruments, Gain (Loss) [Line Items]            
Gains/(Losses) Reclassified from AOCI to Earnings $ 6.2   $ 4.0 $ 18.6 $ 20.2