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, 2015						$ 7,503	$ 2	$ 0	$ 4,479	$ 3,033	$ (11)
Net Income (Loss) Attributable to Parent	$ 1,026					341				341
Total other comprehensive (loss) income, net of tax	(71)	$ 0	$ 0	$ 0	$ (71)
Dividends, Common Stock, Cash						(250)				(250)
Stockholders' Equity Attributable to Parent at Jun. 30, 2016						7,594	2	0	4,479	3,124	(11)
Stockholders' Equity Attributable to Parent at Dec. 31, 2016	24,327					7,390	2	0	4,479	2,921	(12)
Net Income (Loss) Attributable to Parent	1,130					354				354
Total other comprehensive (loss) income, net of tax	422	$ 0	$ 0	$ 0	$ 422
Dividends, Common Stock, Cash						(200)				(200)
Stockholders' Equity Attributable to Parent at Jun. 30, 2017	$ 25,740					$ 7,544	$ 2	$ 0	$ 4,479	$ 3,075	$ (12)