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]
Stockholders' Equity Attributable to Parent at Dec. 31, 2018						$ 7,845	$ 2	$ 0	$ 4,479	$ 3,377	$ (13)
Net Income (Loss) Attributable to Parent	$ 622					179				179
Total other comprehensive (loss) income, net of tax	115	$ 0	$ 0	$ 0	$ 115	1					1
Dividends, Common Stock, Cash						(175)				(175)
Stockholders' Equity Attributable to Parent at Mar. 31, 2019						7,850	2	0	4,479	3,381	(12)
Stockholders' Equity Attributable to Parent at Dec. 31, 2019	32,449					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
Stockholders' Equity Attributable to Parent at Mar. 31, 2020	$ 32,445					$ 8,614	$ 2	$ 0	$ 4,479	$ 4,148	$ (15)