Reinsurance

9 Months Ended

Sep. 30, 2024

Reinsurance Disclosures [Abstract]

Reinsurance [Text Block]

Reinsurance

Reinsurance recoverable on ceded reinsurance

	September 30, 2024				December 31, 2023
(in millions of U.S. dollars)	Net Reinsurance Recoverable (1)		Valuation allowance		Net Reinsurance Recoverable (1)		Valuation allowance
Reinsurance recoverable on unpaid losses and loss expenses	$	17,631	$	307	$	17,884	$	285
Reinsurance recoverable on paid losses and loss expenses	1,975		81		2,068		82
Reinsurance recoverable on losses and loss expenses	$	19,606	$	388	$	19,952	$	367
Reinsurance recoverable on policy benefits	$	292	$	—	$	280	$	—

(1)Net of valuation allowance for uncollectible reinsurance.

The following table presents a roll-forward of valuation allowance for uncollectible reinsurance related to Reinsurance recoverable on losses and loss expenses:

	Nine Months Ended
	September 30
(in millions of U.S. dollars)	2024		2023
Valuation allowance for uncollectible reinsurance - beginning of period	$	367	$	351
Provision for uncollectible reinsurance	24		27
Write-offs charged against the valuation allowance	(4)		(8)
Foreign exchange revaluation	1		—
Valuation allowance for uncollectible reinsurance - end of period	$	388	$	370

For additional information, refer to Note 1 e) to the Consolidated Financial Statements of our 2023 Form 10-K.