Commitments and Contingencies (Details) $ in Millions	1 Months Ended
Oct. 31, 2022 USD ($) jointVenture	Sep. 30, 2022 USD ($)
Subsequent Event \| Joint Venture Development Projects \| Loews Hotel & Co
Commitments and Contingencies [Abstract]
Payments to acquire investments	$ 34
Number of joint venture \| jointVenture	2
Capital contributions	$ 200
CNA Financial
Commitments and Contingencies [Abstract]
Potential amount of future payments under guarantees		$ 1,600

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant