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Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net earnings	$ 15,769	$ 14,239	$ 12,382
Other comprehensive (loss) income:
Gross unrealized gains (losses) on investment securities during the period	1,058	1,212	(294)
Income tax effect	(253)	(279)	67
Total unrealized gains (losses), net of tax	805	933	(227)
Gross reclassification adjustment for net realized gains included in net earnings	(75)	(104)	(62)
Income tax effect	17	24	14
Total reclassification adjustment, net of tax	(58)	(80)	(48)
Total foreign currency translation losses	(983)	(271)	(1,242)
Other comprehensive (loss) income	(236)	582	(1,517)
Comprehensive income	15,533	14,821	10,865
Comprehensive income attributable to noncontrolling interests	(366)	(400)	(396)
Comprehensive income attributable to UnitedHealth Group common shareholders	$ 15,167	$ 14,421	$ 10,469

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