Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net earnings (loss)	$ 26,407	$ 14,173	$ (23,290)	$ 35,905
Other comprehensive income:
Unrealized appreciation of investments	203	96	23	218
Applicable income taxes	(50)	(22)	(9)	(50)
Foreign currency translation	586	(17)	(868)	166
Applicable income taxes	(10)		37	(3)
Defined benefit pension plans	15	26	110	92
Applicable income taxes	(1)	(6)	(22)	(23)
Other, net	24	(32)	(35)	(45)
Other comprehensive income, net	767	45	(764)	355
Comprehensive income	27,174	14,218	(24,054)	36,260
Comprehensive income attributable to noncontrolling interests	125	96	121	189
Comprehensive income attributable to Berkshire Hathaway shareholders	$ 27,049	$ 14,122	$ (24,175)	$ 36,071

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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