Insurance Claim Reserves (Tables)

9 Months Ended

Sep. 30, 2022

Insurance Loss Reserves [Abstract]

Claims and claim adjustment expense reserves [Table Text Block]

Claims and claim adjustment expense reserves were as follows:

(in millions)	September 30, 2022		December 31, 2021
Property-casualty	$	58,131	$	56,897
Accident and health	7		10
Total	$	58,138	$	56,907

Reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses [Table Text Block]

The following table presents a reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses:

	Nine Months Ended September 30,
(in millions)	2022		2021
Claims and claim adjustment expense reserves at beginning of year	$	56,897	$	54,510
Less reinsurance recoverables on unpaid losses	8,209		8,153
Net reserves at beginning of year	48,688		46,357
Estimated claims and claim adjustment expenses for claims arising in the current year	17,257		15,813
Estimated decrease in claims and claim adjustment expenses for  claims arising in prior years	(383)		(398)
Total increases	16,874		15,415
Claims and claim adjustment expense payments for claims arising in:
Current year	6,302		5,653
Prior years	8,638		7,339
Total payments	14,940		12,992
Unrealized foreign exchange gain	(391)		(18)
Net reserves at end of period	50,231		48,762
Plus reinsurance recoverables on unpaid losses	7,900		8,033
Claims and claim adjustment expense reserves at end of period	$	58,131	$	56,795