Equity (Common Stock Changes In Number of Shares Issued, Held In Treasury and Outstanding) (Details) - shares		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Class of Stock [Line Items]
Common Stock, Shares, Issued		85,310,598
Common Stock, Shares, Issued		85,310,598
Common Stock Issuable [Member]
Class of Stock [Line Items]
Common Stock, Shares, Issued		85,310,598	85,310,598
Treasury Stock, Shares, Acquired		0	0
Stock Based Compensation Shares	[1]	0	0
Common Stock, Shares, Issued		85,310,598	85,310,598
Common Stock Held In Treasury [Member]
Class of Stock [Line Items]
Common Stock, Shares, Issued		18,139,868	17,353,697
Treasury Stock, Shares, Acquired		(219,116)	0
Stock Based Compensation Shares	[1]	(36,639)	(28,342)
Common Stock, Shares, Issued		18,322,345	17,325,355
Common Stock Outstanding [Member]
Class of Stock [Line Items]
Common Stock, Shares, Issued		67,170,730	67,956,901
Treasury Stock, Shares, Acquired		(219,116)	0
Stock Based Compensation Shares	[1]	(36,639)	(28,342)
Common Stock, Shares, Issued		66,988,253	67,985,243

[1] Represents net shares issued from treasury pursuant to the Company’s equity-based compensation programs.