Allowance for Expected Credit Losses (Tables)

12 Months Ended

Dec. 31, 2020

Changes in the allowance for expected credit losses on premiums receivable [Table Text Block]

The following table presents the balances of premiums receivable, net of the allowance for expected credit losses, at January 1, 2020 and December 31, 2020, and the changes in the allowance for expected credit losses for the twelve months ended December 31, 2020.


	At and For the Twelve Months Ended December 31, 2020
(in millions)		Premiums Receivable, Net of Allowance for Expected Credit Losses		Allowance for Expected Credit Losses

Balance, beginning of period		$	7,909	$	49

Current period change for expected credit losses				103
Write-offs of uncollectible premiums receivable				47
Balance, end of period		$	7,829	$	105

Changes in the allowance for estimated uncollectible reinsurance [Table Text Block]

The following table presents the balances of reinsurance recoverables, net of the allowance for estimated uncollectible reinsurance, at January 1, 2020 and December 31, 2020, and the changes in the allowance for estimated uncollectible reinsurance for the twelve months ended December 31, 2020.


	At and For the Twelve Months Ended December 31, 2020
(in millions)		Reinsurance Recoverables, Net of Allowance for Estimated Uncollectible Reinsurance		Allowance for Estimated Uncollectible Reinsurance

Balance, beginning of period		$	8,235	$	92

Cumulative effect of adoption of updated accounting guidance for credit losses at January 1, 2020				53
Current period change for estimated uncollectible reinsurance				1
Write-offs of uncollectible reinsurance recoverables				—
Balance, end of period		$	8,350	$	146

Changes in the allowance for expected credit losses on contractholder receivables [Table Text Block]

The following table presents the balances of contractholder receivables, net of the allowance for expected credit losses, at January 1, 2020 and December 31, 2020, and the changes in the allowance for expected credit losses for the twelve months ended December 31, 2020.


	At and For the Twelve Months Ended December 31, 2020
(in millions)		Contractholder Receivables, Net of Allowance for Expected Credit Losses		Allowance for Expected Credit Losses

Balance, beginning of period		$	4,599	$	20

Current period change for expected credit losses				1
Write-offs of uncollectible contractholder receivables				2

Balance, end of period		$	4,242	$	19