Basis of Presentation - Asset Acquisition (Details) - Subsequent event - European-based asset management business of BMO Financial Group £ in Millions, $ in Millions		1 Months Ended
Nov. 08, 2021 GBP (£)	Nov. 08, 2021 USD ($)	Oct. 31, 2021 USD ($)
Subsequent event
Consideration transferred for initial price	£ 615	$ 829
Additional cash consideration for excess capital adjustment	£ 103	$ 138
Assets under management			$ 131,000

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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