Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Period Type:	instant

Reinsurance and Indemnification - Schedule of Reinsurance and Indemnification Recoverables (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Reinsurance
Reinsurance and indemnification recoverables, net	$ 9,083	$ 9,619
Property and casualty
Reinsurance
Paid and due from reinsurers and indemnitors	268	291
Unpaid losses estimated (including IBNR)	8,654	9,176	$ 9,556	$ 9,479
Reinsurance and indemnification recoverables, net	8,922	9,467
Accident and health insurance
Reinsurance
Reinsurance and indemnification recoverables, net	$ 161	$ 152