Segment Information - Net revenues and Operating Earnings (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022		Sep. 30, 2021	Sep. 30, 2023	Sep. 30, 2022		Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Net revenues
Total net revenues	$ 3,925	$ 3,484	[1]	$ 2,899	$ 11,543	$ 10,595	[1]	$ 9,635	$ 14,258	$ 13,377
Operating earnings
Pretax income (loss)	1,117	1,335	[1]	$ 1,136	2,740	3,114	[1]	$ 3,319	$ 3,931	$ 4,185
Reportable segments
Net revenues
Total net revenues	4,252	3,858			12,423	11,617
Operating earnings
Pretax income (loss)	956	1,033			2,956	2,674
Reportable segments | Advice & Wealth Management
Net revenues
Total net revenues	2,407	2,137			7,015	6,235
Operating earnings
Pretax income (loss)	729	595			2,153	1,527
Reportable segments | Asset Management
Net revenues
Total net revenues	826	823			2,433	2,721
Operating earnings
Pretax income (loss)	199	191			526	698
Reportable segments | Retirement & Protection Solutions
Net revenues
Total net revenues	876	783			2,558	2,311
Operating earnings
Pretax income (loss)	100	325			483	668
Reportable segments | Corporate & Other
Net revenues
Total net revenues	143	115			417	350
Operating earnings
Pretax income (loss)	(72)	(78)			(206)	(219)
Intersegment eliminations
Net revenues
Total net revenues	(337)	(316)			(984)	(1,005)
Intersegment eliminations | Advice & Wealth Management
Net revenues
Total net revenues	(217)	(202)			(629)	(651)
Intersegment eliminations | Asset Management
Net revenues
Total net revenues	(21)	(14)			(57)	(37)
Intersegment eliminations | Retirement & Protection Solutions
Net revenues
Total net revenues	(104)	(101)			(310)	(318)
Intersegment eliminations | Corporate & Other
Net revenues
Total net revenues	5	1			12	1
Segment reconciling items
Net revenues
Total net revenues	(3)	(3)			(9)	(8)
Segment reconciling items | Net realized investment gains (losses)
Net revenues
Total net revenues	(38)	(88)			(32)	(86)
Operating earnings
Pretax income (loss)	(38)	(88)			(32)	(86)
Segment reconciling items | Market impact on non-traditional long-duration products
Net revenues
Total net revenues	3	(1)			4	2
Operating earnings
Pretax income (loss)	211	405			(137)	566
Segment reconciling items | Mean reversion related impacts
Net revenues
Total net revenues	0	0			0	(1)
Operating earnings
Pretax income (loss)	0	(1)			0	(3)
Segment reconciling items | Integration/restructuring charges
Operating earnings
Pretax income (loss)	(12)	(11)			(47)	(35)
Total Segments after intersegment eliminations | Reportable segments
Net revenues
Total net revenues	3,915	3,542			11,439	10,612
Consolidated investment entities | Segment reconciling items
Net revenues
Total net revenues	45	31			132	68
Operating earnings
Pretax income (loss)	$ 0	$ (3)			$ 0	$ (2)

[1] Certain prior period amounts have been restated. See Note 3 for more information.