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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions | Nov. 08, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Asset management business acquisition |  |  |  |
Goodwill |  | $ 1,389 | $ 1,458 | $ 1,176
Asset Management |  |  |  |
Asset management business acquisition |  |  |  |
Goodwill |  | $ 1,019 | $ 1,088 | $ 806
European-based asset management business of BMO Financial Group |  |  |  |
Asset management business acquisition |  |  |  |
Cash paid | $ 973 |  |  |
Reduction due to customary deferred and contingent adjustments | 7 |  |  |
Assets under management | 136,000 |  |  |
European-based asset management business of BMO Financial Group | Asset Management |  |  |  |
Asset management business acquisition |  |  |  |
Goodwill | $ 287 |  |  |

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