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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 298	$ 301
Other comprehensive gain (loss):
Unrealized investment gain (loss)	39	(5)
Less: effect of income taxes	10	(2)
Other comprehensive gain (loss), net of tax	29	(3)
Comprehensive income	$ 327	$ 298

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