Premiums Receivable (Tables)

6 Months Ended

Jun. 30, 2021

Premium Receivable, Allowance for Credit Loss [Table Text Block]


Premiums Receivable and Agents' Balances

	As of June 30, 2021		As of December 31, 2020




Premiums receivable, excluding receivables for losses within a deductible and retrospectively-rated policy premiums	$	4,228	$	3,851
Receivables for loss within a deductible and retrospectively-rated policy premiums, by credit quality:
AAA	—		—
AA	139		142
A	56		62
BBB	163		185
BB	105		115
Below BB	65		65
Total receivables for losses within a deductible and retrospectively-rated policy premiums	528		569

Total Premiums Receivable and Agents' Balances, Gross	4,756		4,420
ACL	(134)		(152)
Total Premiums Receivable and Agents' Balances, Net of ACL	$	4,622	$	4,268


Rollforward of ACL on Premiums Receivable and Agents' Balances for the Three Months Ended
	June 30, 2021						June 30, 2020
	Premiums Receivable and Agents' Balances, Excluding Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Total		Premiums Receivable and Agents' Balances, Excluding Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Total
Beginning ACL	$	108	$	36	$	144	$	98	$	41	$	139


Current period provision (release)	1		1		2		48		3		51

Current period write-offs	(15)		—		(15)		(8)		—		(8)
Current period recoveries	3		—		3		1		—		1
Ending ACL	$	97	$	37	$	134	$	139	$	44	$	183


Rollforward of ACL on Premiums Receivable and Agents' Balances for the Six Months Ended
	June 30, 2021						June 30, 2020
	Premiums Receivable and Agents' Balances, Excluding Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Total		Premiums Receivable and Agents' Balances, Excluding Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums		Total
Beginning ACL	$	117	$	35	$	152	$	85	$	60	$	145
Cumulative effect of accounting change [1]							(2)		(21)		(23)
Adjusted beginning ACL	117		35		152		83		39		122
Current period provision (release)	5		2		7		76		5		81

Current period write-offs	(30)		—		(30)		(23)		—		(23)
Current period recoveries	5		—		5		3		—		3
Ending ACL	$	97	$	37	$	134	$	139	$	44	$	183

[1]Represents the adjustment to the ACL recorded on adoption of accounting guidance for credit losses on January 1, 2020. The adjusted beginning ACL was based on the Company's historical loss information adjusted for current conditions and the forecasted economic environment at the time the guidance was adopted. For further information, see Note 1 - Basis of Presentation and Significant Accounting Policies of Notes to Consolidated Financial Statements included in the Company's 2020 Form 10-K Annual Report.