Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets, Gross (Excluding Goodwill) [Abstract]

Schedule of Other Intangible Assets

Other intangible assets are presented in the following table.

December 31		2017				2016
(In millions)	Economic Useful Life	Carrying Amount		Accumulated Amortization		Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Trade name	8 years	$	7	$	5	$	6	$	3
Distribution channel	15 years	11		4		10		3
Total finite-lived intangible assets		18		9		16		6
Indefinite-lived intangible assets:
Syndicate capacity		47				43
Agency force		16				16
Total indefinite-lived intangible assets		63				59
Total other intangible assets		$	81	$	9	$	75	$	6