Consolidated Statements of Cash Flows - PacifiCorp - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net Income (Loss) Attributable to Parent	$ 2,286	$ 2,198
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(75)	(59)
Changes in regulatory assets and liabilities	263	17
Deferred income taxes and amortization of investment tax credits	(116)	573
Other Noncash Income (Expense)	40	21
Trade receivables and other assets	(192)	(82)
Derivative collateral, net	9	(16)
Accrued property, income and other taxes, net	190	390
Accounts payable and other liabilities	168	170
Net cash flows from operating activities	5,031	5,134
Capital expenditures	(4,203)	(3,179)
Other, net	48	(12)
Net cash flows from investing activities	(4,517)	(4,354)
Net proceeds from (repayments of) short-term debt	2,694	(365)
Other, net	(32)	(60)
Net cash flows from financing activities	(392)	(330)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	119	456
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,402	1,459
PacifiCorp [Member]
Net Income (Loss) Attributable to Parent	602	617
Depreciation and amortization	602	598
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(24)	(21)
Changes in regulatory assets and liabilities	127	21
Deferred income taxes and amortization of investment tax credits	(53)	14
Other Noncash Income (Expense)	(1)	1
Trade receivables and other assets	(31)	42
Increase (Decrease) in Inventories	4	(1)
Derivative collateral, net	4	(4)
Increase (Decrease) in Prepaid Expense	10	9
Accrued property, income and other taxes, net	204	145
Accounts payable and other liabilities	36	40
Net cash flows from operating activities	1,480	1,461
Capital expenditures	(713)	(553)
Other, net	2	5
Net cash flows from investing activities	(711)	(548)
Proceeds from Issuance of Long-term Debt	593	0
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(588)	(54)
Net proceeds from (repayments of) short-term debt	(80)	(270)
Payments of Ordinary Dividends, Common Stock	(400)	(500)
Other, net	0	(3)
Net cash flows from financing activities	(475)	(827)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	294	86
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 323	$ 119