Segment Financial Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Segment Financial Information [Table Text Block]

			Optum
(in millions)	UnitedHealthcare		OptumHealth		OptumInsight		OptumRx		Optum Eliminations			Optum		Corporate and Eliminations			Consolidated
Three Months Ended March 31, 2020
Revenues - unaffiliated customers:
Premiums	$	48,593	$	2,047	$	—	$	—	$	—		$	2,047	$	—		$	50,640
Products	—		9		29		8,393		—			8,431		—			8,431
Services	2,278		1,548		891		268		—			2,707		—			4,985
Total revenues - unaffiliated customers	50,871		3,604		920		8,661		—			13,185		—			64,056
Total revenues - affiliated customers	—		5,452		1,562		12,876		(404		)	19,486		(19,486		)	—
Investment and other income	197		136		12		20		—			168		—			365
Total revenues	$	51,068	$	9,192	$	2,494	$	21,557	$	(404	)	$	32,839	$	(19,486	)	$	64,421
Earnings from operations	$	2,888	$	712	$	536	$	860	$	—		$	2,108	$	—		$	4,996
Interest expense	—		—		—		—		—			—		(437		)	(437		)
Earnings before income taxes	$	2,888	$	712	$	536	$	860	$	—		$	2,108	$	(437	)	$	4,559
Three Months Ended March 31, 2019
Revenues - unaffiliated customers:
Premiums	$	46,501	$	1,012	$	—	$	—	$	—		$	1,012	$	—		$	47,513
Products	—		8		23		8,041		—			8,072		—			8,072
Services	2,141		1,274		754		149		—			2,177		—			4,318
Total revenues - unaffiliated customers	48,642		2,294		777		8,190		—			11,261		—			59,903
Total revenues - affiliated customers	—		4,287		1,407		9,613		(359		)	14,948		(14,948		)	—
Investment and other income	254		132		5		14		—			151		—			405
Total revenues	$	48,896	$	6,713	$	2,189	$	17,817	$	(359	)	$	26,360	$	(14,948	)	$	60,308
Earnings from operations	$	2,954	$	626	$	432	$	820	$	—		$	1,878	$	—		$	4,832
Interest expense	—		—		—		—		—			—		(400		)	(400		)
Earnings before income taxes	$	2,954	$	626	$	432	$	820	$	—		$	1,878	$	(400	)	$	4,432