Segment Financial Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment Financial Information [Table Text Block]

The following tables present reportable segment financial information:

			Optum
(in millions)	UnitedHealthcare		OptumHealth		OptumInsight		OptumRx		Optum Eliminations			Optum		Corporate and Eliminations			Consolidated
Three Months Ended June 30, 2018
Revenues - unaffiliated customers:
Premiums	$	43,496	$	962	$	—	$	—	$	—		$	962	$	—		$	44,458
Products	—		12		20		6,972		—			7,004		—			7,004
Services	2,142		1,203		776		148		—			2,127		—			4,269
Total revenues - unaffiliated customers	45,638		2,177		796		7,120		—			10,093		—			55,731
Total revenues - affiliated customers	—		3,640		1,380		9,807		(341		)	14,486		(14,486		)	—
Investment and other income	208		124		9		14		—			147		—			355
Total revenues	$	45,846	$	5,941	$	2,185	$	16,941	$	(341	)	$	24,726	$	(14,486	)	$	56,086
Earnings from operations	$	2,357	$	570	$	453	$	824	$	—		$	1,847	$	—		$	4,204
Interest expense	—		—		—		—		—			—		(344		)	(344		)
Earnings before income taxes	$	2,357	$	570	$	453	$	824	$	—		$	1,847	$	(344	)	$	3,860
Three Months Ended June 30, 2017
Revenues - unaffiliated customers:
Premiums	$	38,666	$	919	$	—	$	—	$	—		$	919	$	—		$	39,585
Products	—		11		19		6,385		—			6,415		—			6,415
Services	1,958		1,008		692		139		—			1,839		—			3,797
Total revenues - unaffiliated customers	40,624		1,938		711		6,524		—			9,173		—			49,797
Total revenues - affiliated customers	—		3,097		1,281		9,312		(284		)	13,406		(13,406		)	—
Investment and other income	164		87		1		4		—			92		—			256
Total revenues	$	40,788	$	5,122	$	1,993	$	15,840	$	(284	)	$	22,671	$	(13,406	)	$	50,053
Earnings from operations	$	2,211	$	422	$	372	$	726	$	—		$	1,520	$	—		$	3,731
Interest expense	—		—		—		—		—			—		(301		)	(301		)
Earnings before income taxes	$	2,211	$	422	$	372	$	726	$	—		$	1,520	$	(301	)	$	3,430

			Optum
(in millions)	UnitedHealthcare		OptumHealth		OptumInsight		OptumRx		Optum Eliminations			Optum		Corporate and Eliminations			Consolidated
Six Months Ended June 30, 2018
Revenues - unaffiliated customers:
Premiums	$	86,733	$	1,809	$	—	$	—	$	—		$	1,809	$	—		$	88,542
Products	—		24		43		13,639		—			13,706		—			13,706
Services	4,181		2,391		1,516		285		—			4,192		—			8,373
Total revenues - unaffiliated customers	90,914		4,224		1,559		13,924		—			19,707		—			110,621
Total revenues - affiliated customers	—		7,246		2,684		19,102		(674		)	28,358		(28,358		)	—
Investment and other income	391		230		11		21		—			262		—			653
Total revenues	$	91,305	$	11,700	$	4,254	$	33,047	$	(674	)	$	48,327	$	(28,358	)	$	111,274
Earnings from operations	$	4,757	$	1,058	$	848	$	1,594	$	—		$	3,500	$	—		$	8,257
Interest expense	—		—		—		—		—			—		(673		)	(673		)
Earnings before income taxes	$	4,757	$	1,058	$	848	$	1,594	$	—		$	3,500	$	(673	)	$	7,584
Six Months Ended June 30, 2017
Revenues - unaffiliated customers:
Premiums	$	76,719	$	1,804	$	—	$	—	$	—		$	1,804	$	—		$	78,523
Products	—		23		40		12,481		—			12,544		—			12,544
Services	3,880		1,729		1,334		288		—			3,351		—			7,231
Total revenues - unaffiliated customers	80,599		3,556		1,374		12,769		—			17,699		—			98,298
Total revenues - affiliated customers	—		6,156		2,460		18,010		(570		)	26,056		(26,056		)	—
Investment and other income	325		143		2		8		—			153		—			478
Total revenues	$	80,924	$	9,855	$	3,836	$	30,787	$	(570	)	$	43,908	$	(26,056	)	$	98,776
Earnings from operations	$	4,345	$	754	$	666	$	1,379	$	—		$	2,799	$	—		$	7,144
Interest expense	—		—		—		—		—			—		(584		)	(584		)
Earnings before income taxes	$	4,345	$	754	$	666	$	1,379	$	—		$	2,799	$	(584	)	$	6,560