Debt (Long-Term Debt Maturities at Par Value) (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
Debt Disclosure [Abstract]
2021	$ 16.0
2022	0.0
2023	750.0
2024	0.0
2025	0.0
Thereafter	2,700.0
$500.0 Million Fixed Rate Notes Due June 2028, Interest Equal To 3.75% [Member] [Domain]
Debt instrument, face amount	$ 500.0
Debt Instrument, maturity date	Jun. 15, 2028
Debt Instrument, Interest Rate, Stated Percentage	3.75%

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