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Goodwill and Intangible Assets Goodwill and Intangible Assets (Summary of Changes in Carrying Value of Goodwill) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Balance	$ 635	$ 635
Commercial Bank
Balance	473	473
Retail Bank
Balance	101	101
Wealth Management
Balance	$ 61	$ 61

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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