Insurance Claim Reserves (Tables)

3 Months Ended

Mar. 31, 2018

Claims and claim adjustment expense reserves [Table Text Block]

Claims and claim adjustment expense reserves were as follows:



(in millions)	March 31, 2018		December 31, 2017
Property-casualty	$	49,794	$	49,633
Accident and health	16		17
Total	$	49,810	$	49,650

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 for the three months ended March 31, 2018 and 2017:



(for the three months ended March 31, in millions)	2018			2017
Claims and claim adjustment expense reserves at beginning of year	$	49,633		$	47,929
Less reinsurance recoverables on unpaid losses	8,123			7,981
Net reserves at beginning of year	41,510			39,948

Estimated claims and claim adjustment expenses for claims arising in the current year	4,391			4,126
Estimated decrease in claims and claim adjustment expenses for claims arising in prior years	(116		)	(50		)
Total increases	4,275			4,076

Claims and claim adjustment expense payments for claims arising in:
Current year	1,009			887
Prior years	3,040			2,812
Total payments	4,049			3,699
Unrealized foreign exchange (gain) loss	(10		)	34
Net reserves at end of period	41,726			40,359
Plus reinsurance recoverables on unpaid losses	8,068			7,942
Claims and claim adjustment expense reserves at end of period	$	49,794		$	48,301