Segment Information - Financial Information for Reportable Segments (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Revenues
Net interest revenue		$ 9,427	$ 10,682	$ 8,030
Total net revenues		18,837	20,762	18,520
Expenses Excluding Interest		12,459	11,374	10,807
Income before taxes on income		6,378	9,388	7,713
Capital expenditures		804	952	1,041
Depreciation and amortization		804	652	549
Amortization of acquired intangible assets	[1]	534	596	615
Asset management and administration fees
Net Revenues
Revenues from contracts with customers	[2]	4,756	4,216	4,274
Trading revenue
Net Revenues
Revenues from contracts with customers		3,230	3,673	4,152
Bank deposit account fees
Net Revenues
Revenues from contracts with customers		705	1,409	1,315
Other
Net Revenues
Revenues from contracts with customers		719	782	749
Investor Services
Net Revenues
Net interest revenue		7,095	7,819	6,052
Total net revenues		14,405	15,570	14,461
Expenses Excluding Interest		9,217	8,514	8,289
Income before taxes on income		5,188	7,056	6,172
Capital expenditures		586	702	771
Depreciation and amortization		595	471	399
Amortization of acquired intangible assets		441	479	499
Investor Services | Asset management and administration fees
Net Revenues
Revenues from contracts with customers		3,398	3,049	3,130
Investor Services | Trading revenue
Net Revenues
Revenues from contracts with customers		2,806	3,181	3,753
Investor Services | Bank deposit account fees
Net Revenues
Revenues from contracts with customers		524	916	964
Investor Services | Other
Net Revenues
Revenues from contracts with customers		582	605	562
Advisor Services
Net Revenues
Net interest revenue		2,332	2,863	1,978
Total net revenues		4,432	5,192	4,059
Expenses Excluding Interest		3,242	2,860	2,518
Income before taxes on income		1,190	2,332	1,541
Capital expenditures		218	250	270
Depreciation and amortization		209	181	150
Amortization of acquired intangible assets		93	117	116
Advisor Services | Asset management and administration fees
Net Revenues
Revenues from contracts with customers		1,358	1,167	1,144
Advisor Services | Trading revenue
Net Revenues
Revenues from contracts with customers		424	492	399
Advisor Services | Bank deposit account fees
Net Revenues
Revenues from contracts with customers		181	493	351
Advisor Services | Other
Net Revenues
Revenues from contracts with customers		$ 137	$ 177	$ 187

[1] Certain prior year amounts have been reclassified to conform to the current year presentation. See Note 1 for additional information.

[2] No fee waivers were recognized for the year ended December 31, 2023. Includes fee waivers of $57 million and $326 million for the years ended December 31, 2022 and 2021, respectively.