Segment Information - Net Revenues and Operating Earnings (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Net revenues
Total net revenues	$ 4,940	$ 4,375	$ 9,752	$ 8,729
Operating earnings
Pretax income (loss)	1,442	1,351	2,586	2,038
Reportable Segments
Net revenues
Total net revenues	5,282	4,689	10,422	9,347
Reportable Segments \| Advice & Wealth Management
Net revenues
Total net revenues	3,246	2,807	6,421	5,589
Operating earnings
Pretax income (loss)	939	812	1,890	1,604
Reportable Segments \| Asset Management
Net revenues
Total net revenues	947	830	1,857	1,676
Operating earnings
Pretax income (loss)	274	222	547	463
Reportable Segments \| Retirement & Protection Solutions
Net revenues
Total net revenues	975	936	1,927	1,862
Operating earnings
Pretax income (loss)	202	214	392	429
Reportable Segments \| Corporate & Other
Net revenues
Total net revenues	114	116	217	220
Operating earnings
Pretax income (loss)	(81)	(99)	(162)	(196)
Elimination Of Segment Revenues
Net revenues
Total net revenues	(383)	(354)	(749)	(703)
Elimination Of Segment Revenues \| Advice & Wealth Management
Net revenues
Total net revenues	(254)	(228)	(493)	(450)
Elimination Of Segment Revenues \| Asset Management
Net revenues
Total net revenues	(23)	(25)	(46)	(51)
Elimination Of Segment Revenues \| Retirement & Protection Solutions
Net revenues
Total net revenues	(110)	(108)	(218)	(217)
Elimination Of Segment Revenues \| Corporate & Other
Net revenues
Total net revenues	4	7	8	15
Segment Reconciling Items
Net revenues
Total net revenues	(5)	(4)	(9)	(8)
Segment Reconciling Items \| Net realized investment gains (losses)
Net revenues
Total net revenues	5	(18)	0	(20)
Operating earnings
Pretax income (loss)	5	(18)	0	(20)
Segment Reconciling Items \| Market impact on non-traditional long-duration products
Net revenues
Total net revenues	(3)	4	(1)	9
Operating earnings
Pretax income (loss)	106	219	(78)	(241)
Segment Reconciling Items \| Mean reversion related impacts
Net revenues
Total net revenues	0	1	0	1
Operating earnings
Pretax income (loss)	1	1	1	1
Segment Reconciling Items \| Integration/restructuring charges
Operating earnings
Pretax income (loss)	(1)	0	(1)	0
Total Segments After Intersegment Eliminations \| Reportable Segments
Net revenues
Total net revenues	4,899	4,335	9,673	8,644
Operating earnings
Pretax income (loss)	1,334	1,149	2,667	2,300
Consolidated Investment Entities \| Segment Reconciling Items
Net revenues
Total net revenues	39	53	80	95
Operating earnings
Pretax income (loss)	$ (3)	$ 0	$ (3)	$ (2)