Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Financial Data By Reportable Segment

Financial data by reportable segment for the years ended December 31, 2019, 2018 and 2017 is as follows:

	Commercial & Specialty Business		Government Business		Other			Eliminations			Total
Year ended December 31, 2019
Operating revenue - unaffiliated	$	37,421	$	62,632	$	3,088		$	—		$	103,141
Operating revenue - affiliated	—		—		4,607			(4,607		)	—
Operating gain (loss)	4,046		2,054		(101		)	—			5,999
Depreciation and amortization of property and equipment	—		—		675			—			675
Year ended December 31, 2018
Operating revenue - unaffiliated	$	35,782	$	55,348	$	211		$	—		$	91,341
Operating revenue - affiliated	—		—		1,308			(1,308		)	—
Operating gain (loss)	3,600		1,928		(102		)	—			5,426
Depreciation and amortization of property and equipment	—		—		652			—			652
Year ended December 31, 2017
Operating revenue - unaffiliated	$	40,363	$	48,587	$	111		$	—		$	89,061
Operating revenue - affiliated	—		—		16			(16		)	—
Operating gain (loss)	2,847		1,442		(114		)	—			4,175
Depreciation and amortization of property and equipment	—		—		601			—			601

Major Product Revenues

The major product revenues for each of the reportable segments for the years ended December 31, 2019, 2018 and 2017 are as follows:

	2019			2018			2017
Commercial & Specialty Business
Managed care products	$	30,311		$	29,012		$	33,971
Managed care services	5,451			5,218			4,732
Dental/Vision products and services	1,302			1,220			1,218
Other	357			332			442
Total Commercial & Specialty Business	37,421			35,782			40,363
Government Business
Managed care products	62,229			54,889			48,144
Managed care services	403			459			443
Total Government Business	62,632			55,348			48,587
Other
Other	7,695			1,519			127
Eliminations
Eliminations	(4,607		)	(1,308		)	(16		)
Total product revenues	$	103,141		$	91,341		$	89,061

Reconciliation Of Reportable Segment Operating Revenues To The Consolidated Statements Of Income

A reconciliation of reportable segments’ operating revenue to the amounts of total revenues included in our consolidated statements of income for the years ended December 31, 2019, 2018 and 2017 is as follows:

	2019			2018			2017
Reportable segments operating revenues	$	103,141		$	91,341		$	89,061
Net investment income	1,005			970			867
Net realized gains (losses) on financial instruments	114			(180		)	145
Other-than-temporary impairment losses recognized in income	(47		)	(26		)	(33		)
Total revenues	$	104,213		$	92,105		$	90,040

Reconciliation Of Reportable Segment Operating Gain To Income From Continuing Operations Before Income Taxes In The Consolidated Statements Of Income

A reconciliation of reportable segments’ operating gain to income before income tax expense included in our consolidated statements of income for the years ended December 31, 2019, 2018 and 2017 is as follows:

	2019			2018			2017
Reportable segments operating gain	$	5,999		$	5,426		$	4,175
Net investment income	1,005			970			867
Net realized gains (losses) on financial instruments	114			(180		)	145
Other-than-temporary impairment losses recognized in income	(47		)	(26		)	(33		)
Interest expense	(746		)	(753		)	(739		)
Amortization of other intangible assets	(338		)	(358		)	(169		)
Loss on extinguishment of debt	(2		)	(11		)	(282		)
Income before income tax expense	$	5,985		$	5,068		$	3,964