Long-Term Debt and Other Financing - Long-Term Debt Instruments (Details) - USD ($) $ in Millions	Dec. 28, 2025	Dec. 29, 2024
Debt Instrument [Line Items]
Carrying Cost	$ 3,281.9	$ 3,401.8
Less: Deferred debt expenses	17.0	21.0
Less: Current portion of long-term debt	497.0	0.0
Long-term debt	2,767.9	3,380.8
Fair Value	3,291.5	3,290.5
Less: Current portion of long-term debt	495.3
Long-term debt	$ 2,796.2	3,290.5
3.90% Notes Due 2029
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	3.90%
Carrying Cost	$ 900.0	900.0
Fair Value	$ 885.2	845.6
6.05% Notes Due 2034
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	6.05%
Carrying Cost	$ 500.0	500.0
Fair Value	$ 530.7	502.2
6.35% Notes Due 2040
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	6.35%
Carrying Cost	$ 500.0	500.0
Fair Value	$ 526.1	507.5
3.55% Notes Due 2026
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	3.55%
Carrying Cost	$ 497.0	591.9
Fair Value	$ 495.3	578.0
3.50% Notes Due 2027
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	3.50%
Carrying Cost	$ 475.0	500.0
Fair Value	$ 470.3	481.5
5.10% Notes Due 2044
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	5.10%
Carrying Cost	$ 300.0	300.0
Fair Value	$ 267.5	261.3
6.60% Debentures Due 2028
Debt Instrument [Line Items]
Debt stated interest rate (as a percent)	6.60%
Carrying Cost	$ 109.9	109.9
Fair Value	$ 116.4	$ 114.4