Reinsurance (Tables)

12 Months Ended

Dec. 31, 2020

Reinsurance Disclosures [Abstract]

Property Casualty Insurance Assumed And Ceded Business

The table below summarizes our consolidated property casualty insurance net written premiums, earned premiums and incurred loss and loss expenses:

(Dollars in millions)	Years ended December 31,
	2020		2019		2018
Direct written premiums	$	5,756	$	5,477	$	5,018
Assumed written premiums	335		244		173
Ceded written premiums	(227)		(205)		(161)
Net written premiums	$	5,864	$	5,516	$	5,030
Direct earned premiums	$	5,623	$	5,340	$	4,931
Assumed earned premiums	285		199		149
Ceded earned premiums	(217)		(205)		(160)
Earned premiums	$	5,691	$	5,334	$	4,920
Direct incurred loss and loss expenses	$	3,699	$	3,402	$	3,188
Assumed incurred loss and loss expenses	184		117		125
Ceded incurred loss and loss expenses	(46)		(167)		(90)
Incurred loss and loss expenses	$	3,837	$	3,352	$	3,223

Life Insurance Assumed And Ceded Business

The table below summarizes our consolidated life insurance earned premiums and contract holders' benefits incurred:

(Dollars in millions)	Years ended December 31,
	2020		2019		2018
Direct earned premiums	$	362	$	341	$	320
Ceded earned premiums	(73)		(71)		(70)
Earned premiums	$	289	$	270	$	250
Direct contract holders' benefits incurred	$	359	$	359	$	328
Ceded contract holders' benefits incurred	(62)		(73)		(61)
Contract holders' benefits incurred	$	297	$	286	$	267