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Equity And Earnings Per Share (Basic Table) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Basic earnings per share:
Net income available for common stockholders	$ 213	$ 175
Weighted average shares of common stock outstanding:
Weighted Average Number of Shares Outstanding, Basic	108,923,381	107,070,830
Basic earnings per share	$ 1.95	$ 1.63
Common Class A [Member]
Weighted average shares of common stock outstanding:
Weighted Average Number of Shares Outstanding, Basic	108,923,281	107,070,730
Common Class B [Member]
Weighted average shares of common stock outstanding:
Weighted Average Number of Shares Outstanding, Basic	100	100

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