Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary Of The Change In The Carrying Amount Of Goodwill By Reportable Segment

A summary of the change in the carrying amount of goodwill for our segments (see Note 19, “Segment Information”) for 2018 and 2017 is as follows:

	Commercial and Specialty Business			Government Business		Other			Total
Balance as of January 1, 2017	$	11,818		$	5,743	$	—		$	17,561
Acquisitions	—			1,659		11			1,670
Balance as of December 31, 2017	11,818			7,402		11			19,231
Acquisitions	—			1,285		—			1,285
Adjustments	(267		)	266		(11		)	(12		)
Balance as of December 31, 2018	$	11,551		$	8,953	$	—		$	20,504
Accumulated impairment as of December 31, 2018	$	(41	)	$	—	$	—		$	(41	)

Components Of Other Intangible Assets

The components of other intangible assets as of December 31, 2018 and 2017 are as follows:

	2018							2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Intangible assets with finite lives:
Customer relationships	$	4,495	$	(3,185	)	$	1,310	$	3,725	$	(2,878	)	$	847
Provider and hospital relationships	228		(85		)	143		187		(73		)	114
Other	352		(88		)	264		184		(67		)	117
Total	5,075		(3,358		)	1,717		4,096		(3,018		)	1,078
Intangible assets with indefinite lives:
Blue Cross and Blue Shield and other trademarks	6,299		—			6,299		6,299		—			6,299
State Medicaid licenses	991		—			991		991		—			991
Total	7,290		—			7,290		7,290		—			7,290
Other intangible assets	$	12,365	$	(3,358	)	$	9,007	$	11,386	$	(3,018	)	$	8,368