Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,629	$ 1,510	$ 1,417	$ 2,816
Other comprehensive income (loss), net of tax
Net unrealized appreciation on securities and derivatives	108	20	229	214
Net long-duration insurance and contractholder liabilities measurement adjustments	(212)	(117)	(772)	(448)
Net translation (losses) on foreign currencies	(5)	(19)	(31)	(3)
Postretirement benefits liability adjustment	(9)	7	(4)	17
Other comprehensive loss, net of tax	(118)	(109)	(578)	(220)
Total comprehensive income	1,511	1,401	839	2,596
Comprehensive income (loss) attributable to noncontrolling interests
Net income attributable to redeemable noncontrolling interests	0	45	0	79
Net income attributable to other noncontrolling interests	81	5	146	10
Other comprehensive loss attributable to redeemable noncontrolling interests	0	0	0	0
Total comprehensive income attributable to noncontrolling interests	81	50	146	89
SHAREHOLDERS' COMPREHENSIVE INCOME	$ 1,430	$ 1,351	$ 693	$ 2,507