Stock-Based Compensation (Summary of Option Activity under Omnibus Plan) (Details) - Omnibus Incentive Plan [Member] - Employee Stock Option - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of Awards Granted
Outstanding at the beginning of the period (in shares)	1,327,338
Granted to employees (in shares)	576,260	661,231	568,623
Exercised (in shares)	(352,903)
Forfeited (in shares)	(186,124)
Expired (in shares)	(34,540)
Outstanding at the end of the period (in shares)	1,330,031	1,327,338
Exercisable at the end of the period (in shares)	518,157
Weighted Avg. Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 31.97
Granted (in dollars per share)	31.94	$ 26.67	$ 28.64
Exercised (in dollars per share)	31.81
Forfeited (in dollars per share)	30.47
Expired (in dollars per share)	41.94
Outstanding at the end of the period (in dollars per share)	31.94	$ 31.97
Exercisable at the end of the period (in dollars per share)	$ 34.72
Outstanding, end of period	$ 30	$ 7
Exercisable, end of period	$ 10
Weighted Average Remaining Contractual Term (in years)
Outstanding at the end of the period	7 years 7 months 24 days	7 years 9 months 14 days
Exercisable at the end of the period	6 years 7 days