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, 2017						$ 7,555	$ 2	$ 0	$ 4,479	$ 3,089	$ (15)
Net Income (Loss) Attributable to Parent	$ 885					332				332
Total other comprehensive (loss) income, net of tax	(182)	$ 0	$ 0	$ 0	$ (182)
Dividends, Common Stock, Cash						(350)				(350)
Stockholders' Equity Attributable to Parent at Jun. 30, 2018						7,537	2	0	4,479	3,071	(15)
Stockholders' Equity Attributable to Parent at Mar. 31, 2018						7,453	2	0	4,479	2,987	(15)
Net Income (Loss) Attributable to Parent	372					184				184
Total other comprehensive (loss) income, net of tax	(250)	0	0	0	(250)
Dividends, Common Stock, Cash						(100)				(100)
Stockholders' Equity Attributable to Parent at Jun. 30, 2018						7,537	2	0	4,479	3,071	(15)
Stockholders' Equity Attributable to Parent at Dec. 31, 2018	29,593					7,845	2	0	4,479	3,377	(13)
Net Income (Loss) Attributable to Parent	1,306					347
Total other comprehensive (loss) income, net of tax	57	0	0	0	57	0				(1)	1
Dividends, Common Stock, Cash						(175)				(175)
Stockholders' Equity Attributable to Parent at Jun. 30, 2019	30,661					8,017	2	0	4,479	3,548	(12)
Stockholders' Equity Attributable to Parent at Mar. 31, 2019						7,850	2	0	4,479	3,381	(12)
Net Income (Loss) Attributable to Parent	684					168				168
Total other comprehensive (loss) income, net of tax	(58)	$ 0	$ 0	$ 0	$ (58)	(1)				(1)
Dividends, Common Stock, Cash						0				0
Stockholders' Equity Attributable to Parent at Jun. 30, 2019	$ 30,661					$ 8,017	$ 2	$ 0	$ 4,479	$ 3,548	$ (12)