Revenue from Contracts with Customers - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue disaggregated by segment
Total revenues	$ 3,506	$ 2,906	$ 10,674	$ 9,681
Banking and deposit interest expense	(15)	(3)	(20)	(10)
Total net revenues	3,491	2,903	10,654	9,671
Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	2,172	2,367	6,908	6,720
Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	506	458	1,410	1,368
Advice & Wealth Management
Revenue disaggregated by segment
Total net revenues	1,935	1,787	5,584	5,130
Asset Management
Revenue disaggregated by segment
Total net revenues	809	903	2,684	2,583
Retirement & Protection Solutions
Revenue disaggregated by segment
Total net revenues	685	712	2,000	2,073
Corporate & Other
Revenue disaggregated by segment
Total net revenues	116	113	351	370
Reportable segments
Revenue disaggregated by segment
Revenue from contracts with customers	2,842	3,012	8,835	8,672
Revenue from other sources	1,036	901	2,811	2,668
Total revenues	3,878	3,913	11,646	11,340
Banking and deposit interest expense	(17)	(3)	(22)	(11)
Total net revenues	3,861	3,910	11,624	11,329
Reportable segments | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	2,031	2,179	6,446	6,177
Reportable segments | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	509	587	1,696	1,685
Reportable segments | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	159	143	527	397
Reportable segments | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,107	1,189	3,442	3,330
Reportable segments | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	97	91	293	272
Reportable segments | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	159	169	488	493
Reportable segments | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	759	785	2,224	2,338
Reportable segments | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	236	289	749	844
Reportable segments | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	329	400	1,037	1,188
Reportable segments | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	194	96	438	306
Reportable segments | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	52	48	165	157
Reportable segments | Advice & Wealth Management
Revenue disaggregated by segment
Revenue from contracts with customers	1,927	1,981	5,825	5,706
Revenue from other sources	225	70	430	211
Total revenues	2,152	2,051	6,255	5,917
Banking and deposit interest expense	(15)	(3)	(20)	(10)
Total net revenues	2,137	2,048	6,235	5,907
Reportable segments | Advice & Wealth Management | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,297	1,374	4,017	3,878
Reportable segments | Advice & Wealth Management | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Advice & Wealth Management | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Advice & Wealth Management | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,107	1,189	3,442	3,330
Reportable segments | Advice & Wealth Management | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	97	91	293	272
Reportable segments | Advice & Wealth Management | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	93	94	282	276
Reportable segments | Advice & Wealth Management | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	579	561	1,650	1,682
Reportable segments | Advice & Wealth Management | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	180	219	570	638
Reportable segments | Advice & Wealth Management | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	205	246	642	738
Reportable segments | Advice & Wealth Management | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	194	96	438	306
Reportable segments | Advice & Wealth Management | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	51	46	158	146
Reportable segments | Asset Management
Revenue disaggregated by segment
Revenue from contracts with customers	816	908	2,697	2,608
Revenue from other sources	7	7	24	14
Total revenues	823	915	2,721	2,622
Banking and deposit interest expense	0	0	0	0
Total net revenues	823	915	2,721	2,622
Reportable segments | Asset Management | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	719	787	2,383	2,247
Reportable segments | Asset Management | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	509	587	1,696	1,685
Reportable segments | Asset Management | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	159	143	527	397
Reportable segments | Asset Management | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Asset Management | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Asset Management | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	51	57	160	165
Reportable segments | Asset Management | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	96	120	307	352
Reportable segments | Asset Management | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	56	70	179	206
Reportable segments | Asset Management | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	40	50	128	146
Reportable segments | Asset Management | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Asset Management | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	1	1	7	9
Reportable segments | Retirement & Protection Solutions
Revenue disaggregated by segment
Revenue from contracts with customers	99	122	313	356
Revenue from other sources	687	712	2,005	2,073
Total revenues	786	834	2,318	2,429
Banking and deposit interest expense	0	0	0	0
Total net revenues	786	834	2,318	2,429
Reportable segments | Retirement & Protection Solutions | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	15	18	46	52
Reportable segments | Retirement & Protection Solutions | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	15	18	46	52
Reportable segments | Retirement & Protection Solutions | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	84	104	267	304
Reportable segments | Retirement & Protection Solutions | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	84	104	267	304
Reportable segments | Retirement & Protection Solutions | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Retirement & Protection Solutions | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other
Revenue disaggregated by segment
Revenue from contracts with customers	0	1	0	2
Revenue from other sources	117	112	352	370
Total revenues	117	113	352	372
Banking and deposit interest expense	(2)	0	(2)	(1)
Total net revenues	115	113	350	371
Reportable segments | Corporate & Other | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0	0	0
Reportable segments | Corporate & Other | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	0	1	0	2
Intersegment eliminations
Revenue disaggregated by segment
Total net revenues	(316)	(395)	(1,005)	(1,173)
Intersegment eliminations | Advice & Wealth Management
Revenue disaggregated by segment
Total net revenues	(202)	(261)	(651)	(777)
Intersegment eliminations | Asset Management
Revenue disaggregated by segment
Total net revenues	(14)	(12)	(37)	(39)
Intersegment eliminations | Retirement & Protection Solutions
Revenue disaggregated by segment
Total net revenues	(101)	(122)	(318)	(356)
Intersegment eliminations | Corporate & Other
Revenue disaggregated by segment
Total net revenues	1	0	1	(1)
Segment reconciling items
Revenue disaggregated by segment
Total net revenues	(54)	(612)	35	(485)
Non-operating
Revenue disaggregated by segment
Revenue from other sources	(51)	(605)	43	(472)
Total revenues	(51)	(605)	43	(472)
Total net revenues	(51)	(605)	43	(472)
Total
Revenue disaggregated by segment
Revenue from other sources	985	296	2,854	2,196
Total revenues	3,827	3,308	11,689	10,868
Banking and deposit interest expense	(17)	(3)	(22)	(11)
Total net revenues	3,810	3,305	11,667	10,857
Eliminations
Revenue disaggregated by segment
Total net revenues	(319)	(402)	(1,013)	(1,186)
Total Segments after intersegment eliminations | Reportable segments
Revenue disaggregated by segment
Total net revenues	3,545	3,515	10,619	10,156
Non-operating | Eliminations
Revenue disaggregated by segment
Total net revenues	$ (3)	$ (7)	$ (8)	$ (13)