v3.26.1
Financial Instruments and Hedging Activities (Fair Values of Derivative Instruments Included on Consolidated Balance Sheet) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Asset Derivatives Fair Value $ 161.0 $ 131.0
Liability Derivatives Fair Value (29.0) (145.0)
Prepaid expenses and other current assets 980.0 863.0
Accrued payroll and other liabilities 1,198.0 1,488.0
Other long-term liabilities 677.0 704.0
Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Asset Derivatives Fair Value 95.0 27.0
Liability Derivatives Fair Value (29.0) (145.0)
Derivatives Not Designated as Hedging Instruments    
Derivatives, Fair Value [Line Items]    
Asset Derivatives Fair Value 66.0 104.0
Liability Derivatives Fair Value 0.0 0.0
Foreign Exchange [Member] | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Prepaid expenses and other current assets 58.0 3.0
Other Assets 37.0 24.0
Accrued payroll and other liabilities (14.0) (117.0)
Other long-term liabilities (3.0) (12.0)
Equity [Member] | Derivatives Not Designated as Hedging Instruments    
Derivatives, Fair Value [Line Items]    
Other Assets 66.0 104.0
Interest Rate Contract [Member] | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Asset Derivatives Fair Value 0.0 0.0
Liability Derivatives Fair Value (12.0) 0.0
Other Assets 0.0 0.0
Other long-term liabilities $ 0.0 $ (16.0)