Consolidated Statements of Cash Flows - PacifiCorp - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Net Income (Loss) Attributable to Parent	$ 885	$ 1,130
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(45)	(35)
Changes in regulatory assets and liabilities	206	21
Deferred income taxes and amortization of investment tax credits	(264)	341
Other Noncash Income (Expense)	26	8
Trade receivables and other assets	(226)	(73)
Derivative collateral, net	(5)	(13)
Accrued property, income and other taxes, net	174	(244)
Accounts payable and other liabilities	16	20
Net cash flows from operating activities	2,818	2,428
Capital expenditures	(2,779)	(1,813)
Other, net	43	(6)
Net cash flows from investing activities	(3,019)	(2,481)
Net proceeds from (repayments of) short-term debt	1,048	(617)
Other, net	(23)	(31)
Net cash flows from financing activities	465	112
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	261	62
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,544	1,065
PacifiCorp [Member]
Net Income (Loss) Attributable to Parent	332	354
Utilities Operating Expense, Depreciation and Amortization	399	398
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(15)	(14)
Changes in regulatory assets and liabilities	116	24
Deferred income taxes and amortization of investment tax credits	(52)	(5)
Other Noncash Income (Expense)	1	1
Trade receivables and other assets	22	65
Increase (Decrease) in Inventories	(16)	(12)
Derivative collateral, net	(3)	(4)
Increase (Decrease) in Prepaid Expense	11	10
Accrued property, income and other taxes, net	111	205
Accounts payable and other liabilities	11	21
Net cash flows from operating activities	917	1,043
Capital expenditures	(499)	(370)
Other, net	0	1
Net cash flows from investing activities	(499)	(369)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(87)	(53)
Net proceeds from (repayments of) short-term debt	28	(270)
Payments of Ordinary Dividends, Common Stock	(350)	(200)
Other, net	(1)	(1)
Net cash flows from financing activities	(410)	(524)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	8	150
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 37	$ 183