Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net earnings	$ 1,760	$ 1,585	$ 3,387	$ 2,998
Other comprehensive income (loss):
Gross unrealized gains (losses) on investment securities during the period	234	(222)	494	(117)
Income tax effect	(84)	80	(180)	43
Total unrealized gains (losses), net of tax	150	(142)	314	(74)
Gross reclassification adjustment for net realized gains included in net earnings	(36)	(68)	(71)	(71)
Income tax effect	13	25	26	26
Total reclassification adjustment, net of tax	(23)	(43)	(45)	(45)
Total foreign currency translation gains (losses)	474	163	862	(796)
Other comprehensive income (loss)	601	(22)	1,131	(915)
Comprehensive income	2,361	1,563	4,518	2,083
Comprehensive income attributable to noncontrolling interests	(6)	0	(22)	0
Comprehensive income attributable to UnitedHealth Group common shareholders	$ 2,355	$ 1,563	$ 4,496	$ 2,083