Consolidated Statements of Changes in Equity - PacifiCorp - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income, Net [Member]	PacifiCorp [Member]	PacifiCorp [Member] Preferred Stock [Member]	PacifiCorp [Member] Common Stock [Member]	PacifiCorp [Member] Additional Paid-in Capital [Member]	PacifiCorp [Member] Retained Earnings [Member]	PacifiCorp [Member] Accumulated Other Comprehensive (Loss) Income, Net [Member]
Balance at Dec. 31, 2019					$ (1,706)	$ 8,437	$ 2	$ 0	$ 4,479	$ 3,972	$ (16)
Net Income (Loss) Attributable to Parent	$ 670					176				176
Total other comprehensive (loss) income, net of tax	(547)	$ 0	$ 0	$ 0	(547)	1				0	1
Balance at Mar. 31, 2020					(2,253)	8,614	2	0	4,479	4,148	(15)
Balance at Dec. 31, 2020	43,010				(1,552)	9,173	2	0	4,479	4,711	(19)
Net Income (Loss) Attributable to Parent	4					169				169
Total other comprehensive (loss) income, net of tax	112	$ 0	$ 0	$ 0	112
Balance at Mar. 31, 2021	$ 43,089				$ (1,440)	$ 9,342	$ 2	$ 0	$ 4,479	$ 4,880	$ (19)