Deferred Policy Acquisition Costs (Tables)

12 Months Ended

Dec. 31, 2020

Deferred Policy Acquisition Costs Disclosures [Abstract]

Deferred Policy Acquisition Costs [Table Text Block]

The following reflects the amounts of policy acquisition costs deferred and amortized (dollars in millions): 

Years ended December 31,	2020		2019		2018
Balance, beginning of year	$	3,512	$	3,398	$	3,240
Capitalization	478		526		608
Amortization (including interest)	(405)		(315)		(438)
Change in value of embedded derivatives	22		(15)		14
Attributed to unrealized investment gains (losses)	(26)		(97)		27
Foreign currency translation	35		15		(53)
Balance, end of year	$	3,616	$	3,512	$	3,398