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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 230	$ 143	$ 736	$ 556
Other comprehensive loss:
Unrealized investment loss	(75)	(13)	(237)	(27)
Less: effect of income taxes	(18)	(4)	(57)	(7)
Other comprehensive loss, net of tax	(57)	(9)	(180)	(20)
Comprehensive income	$ 173	$ 134	$ 556	$ 536

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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