Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Cash paid for:
Interest	$ 96	$ 61
Income taxes	66	54
Deferred sales inducements	120	68
Non-cash investing and financing activities:
Change in proceeds of sales of investments available for sale receivable in period	11	(132)
Change in purchases of investments available for sale payable in period	133	238
Lease liabilities recognized in exchange for lease right-of-use assets	22	21
Remeasurement of lease liabilities	38	41
Liabilities assumed in connection with acquisitions
Fair value of assets acquired	480	299
Less: Total Purchase price	290	293
Liabilities and noncontrolling interests assumed	$ 190	$ 6

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