Revenue from Contracts with Customers - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue disaggregated by segment
Total revenues	$ 3,657	$ 3,355
Banking and deposit interest expense	(2)	(5)
Total net revenues	3,655	3,350
Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	2,459	2,102
Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	446	458
Advice & Wealth Management
Revenue disaggregated by segment
Total net revenues	1,814	1,629
Asset Management
Revenue disaggregated by segment
Total net revenues	1,005	815
Retirement & Protection Solutions
Revenue disaggregated by segment
Total net revenues	660	671
Corporate & Other
Revenue disaggregated by segment
Total net revenues	116	139
Reportable segments
Revenue disaggregated by segment
Revenue from contracts with customers	3,083	2,749
Revenue from other sources	866	889
Total revenues	3,949	3,638
Banking and deposit interest expense	(2)	(5)
Total net revenues	3,947	3,633
Reportable segments | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	2,290	1,927
Reportable segments | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	644	531
Reportable segments | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	195	123
Reportable segments | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,191	1,028
Reportable segments | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	97	88
Reportable segments | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	163	157
Reportable segments | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	735	772
Reportable segments | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	269	274
Reportable segments | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	362	386
Reportable segments | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	104	112
Reportable segments | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	58	50
Reportable segments | Advice & Wealth Management
Revenue disaggregated by segment
Revenue from contracts with customers	1,962	1,813
Revenue from other sources	82	71
Total revenues	2,044	1,884
Banking and deposit interest expense	(2)	(5)
Total net revenues	2,042	1,879
Reportable segments | Advice & Wealth Management | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,380	1,205
Reportable segments | Advice & Wealth Management | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Advice & Wealth Management | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Advice & Wealth Management | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	1,191	1,028
Reportable segments | Advice & Wealth Management | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	97	88
Reportable segments | Advice & Wealth Management | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	92	89
Reportable segments | Advice & Wealth Management | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	529	559
Reportable segments | Advice & Wealth Management | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	204	207
Reportable segments | Advice & Wealth Management | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	221	240
Reportable segments | Advice & Wealth Management | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	104	112
Reportable segments | Advice & Wealth Management | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	53	49
Reportable segments | Asset Management
Revenue disaggregated by segment
Revenue from contracts with customers	1,010	821
Revenue from other sources	7	7
Total revenues	1,017	828
Banking and deposit interest expense	0	0
Total net revenues	1,017	828
Reportable segments | Asset Management | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	894	706
Reportable segments | Asset Management | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	644	531
Reportable segments | Asset Management | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	195	123
Reportable segments | Asset Management | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Asset Management | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Asset Management | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	55	52
Reportable segments | Asset Management | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	111	114
Reportable segments | Asset Management | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	65	67
Reportable segments | Asset Management | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	46	47
Reportable segments | Asset Management | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Asset Management | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	5	1
Reportable segments | Retirement & Protection Solutions
Revenue disaggregated by segment
Revenue from contracts with customers	111	115
Revenue from other sources	661	672
Total revenues	772	787
Banking and deposit interest expense	0	0
Total net revenues	772	787
Reportable segments | Retirement & Protection Solutions | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	16	16
Reportable segments | Retirement & Protection Solutions | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	16	16
Reportable segments | Retirement & Protection Solutions | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	95	99
Reportable segments | Retirement & Protection Solutions | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	95	99
Reportable segments | Retirement & Protection Solutions | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Retirement & Protection Solutions | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Revenue from other sources	116	139
Total revenues	116	139
Banking and deposit interest expense	0	0
Total net revenues	116	139
Reportable segments | Corporate & Other | Management and financial advice fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Asset Management: Retail
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Asset Management: Institutional
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Advisory fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Financial planning fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Transaction and other fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Distribution fees
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Mutual funds
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Insurance and annuity
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Other products
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Reportable segments | Corporate & Other | Other revenues
Revenue disaggregated by segment
Revenue from contracts with customers	0	0
Intersegment eliminations
Revenue disaggregated by segment
Total net revenues	(352)	(379)
Intersegment eliminations | Advice & Wealth Management
Revenue disaggregated by segment
Total net revenues	(228)	(250)
Intersegment eliminations | Asset Management
Revenue disaggregated by segment
Total net revenues	(12)	(13)
Intersegment eliminations | Retirement & Protection Solutions
Revenue disaggregated by segment
Total net revenues	(112)	(116)
Intersegment eliminations | Corporate & Other
Revenue disaggregated by segment
Total net revenues	0	0
Segment reconciling items
Revenue disaggregated by segment
Total net revenues	60	96
Non-operating
Revenue disaggregated by segment
Revenue from other sources	63	99
Total revenues	63	99
Total net revenues	63	99
Total
Revenue disaggregated by segment
Revenue from other sources	929	988
Total revenues	4,012	3,737
Banking and deposit interest expense	(2)	(5)
Total net revenues	4,010	3,732
Eliminations
Revenue disaggregated by segment
Total net revenues	(355)	(382)
Total Segments after intersegment eliminations | Reportable segments
Revenue disaggregated by segment
Total net revenues	3,595	3,254
Non-operating | Eliminations
Revenue disaggregated by segment
Total net revenues	$ (3)	$ (3)