Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	[2]	Jun. 30, 2023	Jun. 30, 2022
Net income	$ 283	$ 190	[1]	$ 580	$ 485	[3]
Other Comprehensive (Loss) Income, net of tax
Net unrealized gains and losses on investments	(414)	(2,228)		248	(4,875)
Impact of changes in discount rates used to measure long-duration contract liabilities	256	1,507		(140)	3,142
Foreign currency translation adjustment	34	(68)		51	(82)
Pension and postretirement benefits	7	6		14	12
Other comprehensive (loss) income, net of tax	(117)	(783)		173	(1,803)
Total comprehensive income (loss)	166	(593)		753	(1,318)
Net unrealized gains and losses on investments with an allowance for credit losses
Other Comprehensive (Loss) Income, net of tax
Net unrealized gains and losses on investments	(1)	(2)		(9)	(6)
Net unrealized gains and losses on other investments
Other Comprehensive (Loss) Income, net of tax
Net unrealized gains and losses on investments	$ (413)	$ (2,226)		$ 257	$ (4,869)

[1] As of January 1, 2023, the Company adopted ASU 2018-12, Financial Services-Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts (ASU 2018-12) using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.

[2] As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.

[3] As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.