Retroactive reinsurance contracts (Tables)

6 Months Ended

Jun. 30, 2022

Insurance [Abstract]

Reconciliation of changes in retroactive reinsurance claim liabilities and deferred charges

Reconciliations of the changes in estimated liabilities for retroactive reinsurance unpaid losses and loss adjustment expenses (“claim liabilities”) and related deferred charges for each of the six-month periods ending June 30, 2022 and 2021 follow (in millions).

	2022						2021
	Unpaid losses and loss adjustment expenses			Deferred charges - retroactive reinsurance			Unpaid losses and loss adjustment expenses			Deferred charges - retroactive reinsurance
Balances at beginning of year	$	38,256		$	(10,639	)	$	40,966		$	(12,441	)
Incurred losses and loss adjustment expenses:
Current year contracts		—			—			82			—
Prior years’ contracts		(14	)		426			(3	)		473
Total		(14	)		426			79			473
Paid losses and loss adjustment expenses		(1,008	)		—			(808	)		—
Balances at June 30	$	37,234		$	(10,213	)	$	40,237		$	(11,968	)
Incurred losses and loss adjustment expenses, net of deferred charges	$	412					$	552