Segment Information - Net Revenues and Operating Earnings (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net revenues
Total net revenues	$ 4,812	$ 4,354
Operating earnings
Pretax income (loss)	1,144	687
Reportable segments
Net revenues
Total net revenues	5,140	4,658
Reportable segments \| Advice & Wealth Management
Net revenues
Total net revenues	3,175	2,782
Operating earnings
Pretax income (loss)	951	792
Reportable segments \| Asset Management
Net revenues
Total net revenues	910	846
Operating earnings
Pretax income (loss)	273	241
Reportable segments \| Retirement & Protection Solutions
Net revenues
Total net revenues	952	926
Operating earnings
Pretax income (loss)	190	215
Reportable segments \| Corporate & Other
Net revenues
Total net revenues	103	104
Operating earnings
Pretax income (loss)	(81)	(97)
Elimination of segment revenues
Net revenues
Total net revenues	(366)	(349)
Elimination of segment revenues \| Advice & Wealth Management
Net revenues
Total net revenues	(239)	(222)
Elimination of segment revenues \| Asset Management
Net revenues
Total net revenues	(23)	(26)
Elimination of segment revenues \| Retirement & Protection Solutions
Net revenues
Total net revenues	(108)	(109)
Elimination of segment revenues \| Corporate & Other
Net revenues
Total net revenues	4	8
Segment reconciling items
Net revenues
Total net revenues	(4)	(4)
Segment reconciling items \| Net realized investment gains (losses)
Net revenues
Total net revenues	(5)	(2)
Operating earnings
Pretax income (loss)	(5)	(2)
Segment reconciling items \| Market impact on non-traditional long-duration products
Net revenues
Total net revenues	2	5
Operating earnings
Pretax income (loss)	(184)	(460)
Total Segments after intersegment eliminations \| Reportable segments
Net revenues
Total net revenues	4,774	4,309
Operating earnings
Pretax income (loss)	1,333	1,151
Consolidated investment entities \| Segment reconciling items
Net revenues
Total net revenues	41	42
Operating earnings
Pretax income (loss)	$ 0	$ (2)