Long-term Debt (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 2,918.9	$ 3,167.6
Long-term Debt, Fair Value	2,665.0	2,975.3
Long-term Debt, Current Maturities	0.1	250.1
Long-term Debt, Excluding Current Maturities	$ 2,918.8	2,917.5
4.200% Notes Due 2024 (less unamortized discount and issuance costs of $0.0 and $0.2, respectively)
Debt Instrument [Line Items]
Effective Interest Rate	4.24%
4.650% Notes Due 2028 (less unamortized discount and issuance costs of $1.0 and $2.3, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Oct. 01, 2028
Interest Rate Stated Percentage	4.65%
Effective Interest Rate	4.78%
Unamortized Discount	$ 0.8
Issuance Cost	1.9
Long-term Debt, Gross	497.3	497.0
4.750% Notes Due 2030 (less unamortized discount and issuance costs of $2.8 and $4.1, respectively)
Debt Instrument [Line Items]
Par Value	$ 650.0
Maturity Date	Mar. 30, 2030
Interest Rate Stated Percentage	4.75%
Effective Interest Rate	4.92%
Unamortized Discount	$ 2.4
Issuance Cost	3.5
Long-term Debt, Gross	644.1	643.6
2.400% Notes Due 2031 (less unamortized discount and issuance costs of $0.6 and $3.6, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Mar. 01, 2031
Effective Interest Rate	2.512%
Unamortized Discount	$ 0.6
Issuance Cost	3.1
Long-term Debt, Gross	496.3	496.0
5.375% Notes Due 2033 (less unamortized discount and issuance costs of $3.7 and $3.3, respectively)
Debt Instrument [Line Items]
Par Value	$ 300.0
Maturity Date	Jun. 15, 2033
Interest Rate Stated Percentage	5.375%
Effective Interest Rate	5.65%
Unamortized Discount	$ 3.4
Issuance Cost	2.9
Long-term Debt, Gross	$ 293.7	293.4
3.375% Notes Due 2041 (less unamortized discount and issuance costs of $1.0 and $5.1, respectively)
Debt Instrument [Line Items]
Maturity Date	Mar. 01, 2041
Effective Interest Rate	3.448%
Unamortized Discount	$ 1.0
Issuance Cost	4.8
Long-term Debt, Gross	494.2	494.1
5.400% Notes Due 2048 (less unamortized discount and issuance costs of $2.6 and $4.7, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Oct. 01, 2048
Interest Rate Stated Percentage	5.40%
Effective Interest Rate	5.48%
Unamortized Discount	$ 2.6
Issuance Cost	4.5
Long-term Debt, Gross	492.9	492.8
Other notes payable and capitalized leases
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 0.4	0.8
Unsecured Debt 2.400% Note [Member]
Debt Instrument [Line Items]
Interest Rate Stated Percentage	2.40%
Unsecured Debt 3.375% Note
Debt Instrument [Line Items]
Par Value	$ 500.0
Interest Rate Stated Percentage	3.375%
Unsecured Debt 4.200% Notes Remaining Principal
Debt Instrument [Line Items]
Par Value	$ 250.0
Interest Rate Stated Percentage	4.20%
Long-term Debt, Gross	$ 0.0	$ 249.9