Segment Financial Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Segment Financial Information [Table Text Block]

rporate and intersegment elimination amounts are presented to reconcile the reportable segment results to the consolidated results. The following table presents the reportable segment financial information:

			Optum
(in millions)	UnitedHealthcare		OptumHealth		OptumInsight		OptumRx		Total Optum		Corporate and Intersegment Eliminations			Consolidated
Three Months Ended March 31, 2013
Revenues - external customers:
Premiums	$	26,681	$	593	$	—	$	—	$	593	$	—		$	27,274
Services	1,423		207		459		23		689		—			2,112
Products	2		5		19		725		749		—			751
Total revenues - external customers	28,106		805		478		748		2,031		—			30,137
Total revenues - intersegment	—		1,607		295		4,448		6,350		(6,350		)	—
Investment and other income	173		30		—		—		30		—			203
Total revenues	$	28,279	$	2,442	$	773	$	5,196	$	8,411	$	(6,350	)	$	30,340
Earnings from operations	$	1,644	$	226	$	149	$	120	$	495	$	—		$	2,139
Interest expense	—		—		—		—		—		(178		)	(178		)
Earnings before income taxes	$	1,644	$	226	$	149	$	120	$	495	$	(178	)	$	1,961
Three Months Ended March 31, 2012
Revenues - external customers:
Premiums	$	24,211	$	420	$	—	$	—	$	420	$	—		$	24,631
Services	1,178		202		390		21		613		—			1,791
Products	—		7		17		664		688		—			688
Total revenues - external customers	25,389		629		407		685		1,721		—			27,110
Total revenues - intersegment	—		1,282		264		4,036		5,582		(5,582		)	—
Investment and other income	144		28		—		—		28		—			172
Total revenues	$	25,533	$	1,939	$	671	$	4,721	$	7,331	$	(5,582	)	$	27,282
Earnings from operations	$	2,065	$	92	$	89	$	71	$	252	$	—		$	2,317
Interest expense	—		—		—		—		—		(148		)	(148		)
Earnings before income taxes	$	2,065	$	92	$	89	$	71	$	252	$	(148	)	$	2,169