Subsequent Events (Narrative) (Details) - Brookfield Reinsurance Ltd. - Forecast $ / shares in Units, $ in Millions	Dec. 31, 2023 USD ($) $ / shares
Subsequent Event [Line Items]
Business acquisition, share price (in dollars per share)	$ 38.85
Business combination, weighted average share price, exchange ratio adjustment, duration	10 days
Business acquisition, termination fee \| $	$ 102
Minimum
Subsequent Event [Line Items]
Business acquisition, total consideration, share price (in dollars per share)	$ 54.00
Maximum
Subsequent Event [Line Items]
Business acquisition, total consideration, share price (in dollars per share)	$ 56.50

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration