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Debt - Long-term Debt Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Apr. 02, 2023
Debt Instrument [Line Items]      
Carrying Cost $ 3,484.9 $ 3,484.9 $ 3,813.9
Less: Deferred debt expenses 18.0 19.1 22.5
Current portion of long-term debt 500.0 500.0 109.0
Long-term debt, carrying cost 2,966.9 2,965.8 3,682.4
Fair Value 3,324.4 3,349.1 3,609.8
Long-term debt, fair value $ 3,324.4 3,349.1 3,609.8
3.90% Notes Due 2029      
Debt Instrument [Line Items]      
Debt stated interest rate 3.90%    
Carrying Cost $ 900.0 900.0 900.0
Fair Value $ 835.3 839.8 817.3
3.55% Notes Due 2026      
Debt Instrument [Line Items]      
Debt stated interest rate 3.55%    
Carrying Cost $ 675.0 675.0 675.0
Fair Value $ 643.8 641.0 634.2
3.00% Notes Due 2024      
Debt Instrument [Line Items]      
Debt stated interest rate 3.00%    
Carrying Cost $ 500.0 500.0 500.0
Fair Value $ 491.0 488.4 482.8
6.35% Notes Due 2040      
Debt Instrument [Line Items]      
Debt stated interest rate 6.35%    
Carrying Cost $ 500.0 500.0 500.0
Fair Value $ 511.5 520.1 501.7
3.50% Notes Due 2027      
Debt Instrument [Line Items]      
Debt stated interest rate 3.50%    
Carrying Cost $ 500.0 500.0 500.0
Fair Value $ 470.7 472.2 470.8
5.10% Notes Due 2044      
Debt Instrument [Line Items]      
Debt stated interest rate 5.10%    
Carrying Cost $ 300.0 300.0 300.0
Fair Value $ 257.3 271.6 261.2
6.60% Debentures Due 2028      
Debt Instrument [Line Items]      
Debt stated interest rate 6.60%    
Carrying Cost $ 109.9 109.9 109.9
Fair Value 114.8 116.0 112.8
Variable % Notes Due December 30, 2024      
Debt Instrument [Line Items]      
Carrying Cost 0.0 0.0 280.0
Fair Value 0.0 0.0 280.0
Production Financing Facilities      
Debt Instrument [Line Items]      
Carrying Cost 0.0 0.0 49.0
Fair Value $ 0.0 $ 0.0 $ 49.0