Retroactive reinsurance contracts (Tables)

6 Months Ended

Jun. 30, 2019

Insurance [Abstract]

Reconciliation of changes in retroactive reinsurance claim liabilities and deferred charge assets

Reconciliations of the changes in estimated liabilities for retroactive reinsurance unpaid losses and loss adjustment expenses (“claim liabilities”) and related deferred charge reinsurance assumed assets for each of the six months ending June 30, 2019 and 2018 follows (in millions).

	2019						2018
	Unpaid losses and loss adjustment expenses			Deferred charges reinsurance assumed			Unpaid losses and loss adjustment expenses			Deferred charges reinsurance assumed
Balances – beginning of year:	$	41,834		$	(14,104	)	$	42,937		$	(15,278	)
Incurred losses and loss adjustment expenses
Current year contracts		175			(82	)		—			—
Prior years’ contracts		—			552			(35	)		548
Total		175			470			(35	)		548
Paid losses and loss adjustment expenses		(460	)		—			(787	)		—
Balances – June 30:	$	41,549		$	(13,634	)	$	42,115		$	(14,730	)
Incurred losses and loss adjustment expenses, net of deferred charges	$	645					$	513