Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details

Business Segments - Assets by Segment (Detail) - USD ($) $ in Millions	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total	$ 1,387,922	$ 1,301,548	$ 1,163,028
Investment Banking [Member]
Segment Reporting Information [Line Items]
Total	145,836		116,242
Global Markets [Member]
Segment Reporting Information [Line Items]
Total	1,025,631		844,606
Asset Management [Member]
Segment Reporting Information [Line Items]
Total	96,605		95,751
Consumer & Wealth Management [Member]
Segment Reporting Information [Line Items]
Total	$ 119,850		$ 106,429