Schedule IV

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]

SUPPLEMENTAL INFORMATION CONCERNING REINSURANCE

SUPPLEMENTAL INFORMATION CONCERNING REINSURANCE

Premiums Earned
For the years ended December 31, 2020, 2019, and 2018 (in millions of U.S. dollars, except for percentages)	Direct Amount		Ceded To Other Companies		Assumed From Other Companies		Net Amount		Percentage of Amount Assumed to Net
2020
Property and Casualty	$	31,546	$	6,782	$	3,044	$	27,808	11	%
Accident and Health	4,249		368		111		3,992		3	%
Life	1,242		93		168		1,317		13	%
Total	$	37,037	$	7,243	$	3,323	$	33,117	10	%
2019
Property and Casualty	$	30,339	$	7,236	$	2,797	$	25,900	11	%
Accident and Health	4,546		376		119		4,289		3	%
Life	991		81		191		1,101		17	%
Total	$	35,876	$	7,693	$	3,107	$	31,290	10	%
2018
Property and Casualty	$	28,793	$	6,792	$	2,812	$	24,813	11	%
Accident and Health	4,409		342		162		4,229		4	%
Life	906		85		201		1,022		20	%
Total	$	34,108	$	7,219	$	3,175	$	30,064	11	%