Segment Information - Net Revenues and Operating Earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Net revenues
Total net revenues	$ 3,992	$ 3,925	$ 3,876	$ 3,742	$ 3,663	$ 3,484	$ 3,486	$ 3,625	$ 15,535	$ 14,258	[1]	$ 13,377	[1]
Operating earnings
Pretax income	$ 494	$ 1,117	$ 1,127	$ 496	$ 817	$ 1,335	$ 773	$ 1,006	3,234	3,931	[1]	4,185	[1]
Reportable segments
Net revenues
Total net revenues									16,705	15,570		15,420
Operating earnings
Pretax income									3,936	3,597		3,168
Reportable segments | Advice & Wealth Management
Net revenues
Total net revenues									9,418	8,461		8,021
Operating earnings
Pretax income									2,851	2,192		1,743
Reportable segments | Asset Management
Net revenues
Total net revenues									3,278	3,506		3,682
Operating earnings
Pretax income									720	844		1,096
Reportable segments | Retirement & Protection Solutions
Net revenues
Total net revenues									3,476	3,124		3,230
Operating earnings
Pretax income									685	867		618
Reportable segments | Corporate & Other
Net revenues
Total net revenues									533	479		487
Operating earnings
Pretax income									(320)	(306)		(289)
Intersegment eliminations
Net revenues
Total net revenues									(1,318)	(1,316)		(1,573)
Intersegment eliminations | Advice & Wealth Management
Net revenues
Total net revenues									(847)	(847)		(1,043)
Intersegment eliminations | Asset Management
Net revenues
Total net revenues									(79)	(52)		(50)
Intersegment eliminations | Retirement & Protection Solutions
Net revenues
Total net revenues									(411)	(420)		(478)
Intersegment eliminations | Corporate & Other
Net revenues
Total net revenues									19	3		(2)
Segment reconciling items
Net revenues
Total net revenues									(12)	(10)		(16)
Segment reconciling items | Net realized investment gains (losses)
Net revenues
Total net revenues									(32)	(93)		87
Operating earnings
Pretax income									(32)	(93)		86
Segment reconciling items | Market impact on non-traditional long-duration products
Net revenues
Total net revenues									2	(1)		1
Operating earnings
Pretax income									(608)	483		464
Segment reconciling items | Mean reversion related impacts
Net revenues
Total net revenues									0	(1)		1
Operating earnings
Pretax income									0	(1)		1
Segment reconciling items | Market impact of hedges on investments
Net revenues
Total net revenues									0	0		(22)
Operating earnings
Pretax income									0	0		(22)
Segment reconciling items | Block transfer reinsurance transaction impacts
Net revenues
Total net revenues									0	0		(644)
Operating earnings
Pretax income									0	0		524
Segment reconciling items | Integration/restructuring charges
Operating earnings
Pretax income									(62)	(50)		(32)
Total Segments after intersegment eliminations | Reportable segments
Net revenues
Total net revenues									15,387	14,254		13,847
Consolidated investment entities | Segment reconciling items
Net revenues
Total net revenues									178	99		107
Operating earnings
Pretax income									$ 0	$ (5)		$ (4)

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