Insurance Claim Reserves (tables)

6 Months Ended

Jun. 30, 2017

Insurance Claim Reserves disclosure

Claims and claim adjustment expense reserves [Table Text Block]

(in millions)	June 30, 2017		December 31,  2016
Property-casualty	$	48,556	$	47,929
Accident and health	18		20
Total	$	48,574	$	47,949

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

(for the six months ended June 30, in millions)	2017			2016
Claims and claim adjustment expense reserves at beginning of year	$	47,929		$	48,272
Less reinsurance recoverables on unpaid losses	7,981			8,449
Net reserves at beginning of year	39,948			39,823
Estimated claims and claim adjustment expenses for claims arising in the current year	8,493			7,859
Estimated increase (decrease) in claims and claim adjustment expenses for claims arising in prior years	(214		)	(418		)
Total increases	8,279			7,441
Claims and claim adjustment expense payments for claims arising in:
Current year	2,699			2,454
Prior years	4,966			5,004
Total payments	7,665			7,458
Unrealized foreign exchange loss	117			36
Net reserves at end of period	40,679			39,842
Plus reinsurance recoverables on unpaid losses	7,877			8,089
Claims and claim adjustment expense reserves at end of period	$	48,556		$	47,931