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Segment, Geographic and Revenue Information - Assets by Business Segment (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Segment Reporting Information
Assets	$ 1,364,806	$ 1,215,071
Institutional Securities
Segment Reporting Information
Assets	928,131	796,608
Wealth Management
Segment Reporting Information
Assets	418,992	400,848
Investment Management
Segment Reporting Information
Assets	$ 17,683	$ 17,615

X

- Definition

Amount of asset recognized for present right to economic benefit.

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