Reinsurance (Tables)

12 Months Ended

Dec. 31, 2020

Reinsurance Recoverable, Credit Quality Indicator


Reinsurance Recoverables by Credit Quality Indicator as of December 31, 2020
	Property and Casualty		Group Benefits		Corporate		Total

AM Best Financial Strength Rating
A++	$	1,598	$	—	$	—	$	1,598
A+	1,788		230		305		2,323
A	638		—		—		638
A-	37		9		—		46
B++	666		—		3		669
Below B++	21		1		—		22
Total Rated by AM Best	4,748		240		308		5,296
Mandatory (Assigned) and Voluntary Risk Pools	259		—		—		259
Captives	305		—		—		305
Other not rated companies	254		5		—		259
Gross Reinsurance Recoverables	5,566		245		308		6,119
Allowance for uncollectible reinsurance	(105)		(1)		(2)		(108)
Net Reinsurance Recoverables	$	5,461	$	244	$	306	$	6,011

Reinsurance Recoverable, Allowance for Credit Loss


Allowance for Uncollectible Reinsurance
	For the year ended December 31, 2020
	Property and Casualty		Group Benefits		Corporate		Total
Beginning allowance for uncollectible reinsurance	$	114	$	—	$	—	$	114
Beginning allowance for disputed amounts	66		—		—		66
Beginning ACL	48		—		—		48
Cumulative effect of accounting change [1]	—		1		1		2
Adjusted beginning ACL	48		1		1		50
Current period provision (release)	3		—		1		4


Current period gross recoveries	1		—		—		1
Ending ACL	52		1		2		55
Ending allowance for disputed amounts	53		—		—		53
Ending allowance for uncollectible reinsurance	$	105	$	1	$	2	$	108

[1] Represents the adjustment to the ACL recorded on adoption of accounting guidance for credit losses on January 1, 2020. For further information refer to Note 1 - Basis of Presentation and Significant Accounting Policies

Property and Casualty Insurance and Group Benefits Revenue

Insurance Revenues

Property and Casualty Insurance Revenue


	For the years ended December 31,
Premiums Written	2020		2019		2018
Direct	$	12,537	$	12,190	$	10,784
Assumed	577		371		217
Ceded	(1,209)		(978)		(593)
Net	$	11,905	$	11,583	$	10,408
Premiums Earned
Direct	$	12,551	$	12,010	$	10,824
Assumed	540		416		221
Ceded	(1,173)		(936)		(599)
Net	$	11,918	$	11,490	$	10,446

Group Benefits Revenue


	For the years ended December 31,
	2020		2019		2018
Gross earned premiums, fees and other considerations	$	5,245	$	4,122	$	3,615
Reinsurance assumed	387		1,572		2,044
Reinsurance ceded	(96)		(91)		(61)
Net earned premiums, fees and other considerations	$	5,536	$	5,603	$	5,598