Deferred Policy Acquisition Costs (Tables)

12 Months Ended

Dec. 31, 2016

Deferred Costs [Abstract]

Deferred Policy Acquisition Costs And Asset Reconciliation, Including the Amortized Deferred Policy Acquisition Costs

The table below shows the deferred policy acquisition costs and asset reconciliation:

(Dollars in millions)	Years ended December 31,
	2016			2015			2014
Property casualty:
Deferred policy acquisition costs asset, January 1	$	388		$	379		$	366
Capitalized deferred policy acquisition costs	840			801			783
Amortized deferred policy acquisition costs	(820		)	(792		)	(770		)
Deferred policy acquisition costs asset, December 31	$	408		$	388		$	379
Life:
Deferred policy acquisition costs asset, January 1	$	228		$	199		$	199
Capitalized deferred policy acquisition costs	49			45			44
Amortized deferred policy acquisition costs	(43		)	(37		)	(37		)
Amortized shadow deferred policy acquisition costs	(5		)	21			(7		)
Deferred policy acquisition costs asset, December 31	$	229		$	228		$	199
Consolidated:
Deferred policy acquisition costs asset, January 1	$	616		$	578		$	565
Capitalized deferred policy acquisition costs	889			846			827
Amortized deferred policy acquisition costs	(863		)	(829		)	(807		)
Amortized shadow deferred policy acquisition costs	(5		)	21			(7		)
Deferred policy acquisition costs asset, December 31	$	637		$	616		$	578