Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net earnings	$ 1,618	$ 1,602	$ 4,616	$ 4,109
Other comprehensive loss:
Gross unrealized gains (losses) on investment securities during the period	66	(53)	(51)	427
Income tax effect	(26)	20	17	(155)
Total unrealized gains (losses), net of tax	40	(33)	(34)	272
Gross reclassification adjustment for net realized gains included in net earnings	(28)	(30)	(99)	(183)
Income tax effect	11	11	37	67
Total reclassification adjustment, net of tax	(17)	(19)	(62)	(116)
Total foreign currency translation losses	(1,063)	(642)	(1,859)	(232)
Other comprehensive loss	(1,040)	(694)	(1,955)	(76)
Comprehensive income	578	908	2,661	4,033
Comprehensive income attributable to noncontrolling interests	(21)	0	(21)	0
Comprehensive income attributable to UnitedHealth Group common shareholders	$ 557	$ 908	$ 2,640	$ 4,033