Consolidated Statements of Cash Flows - PacifiCorp - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Income (Loss) Attributable to Parent	$ 513	$ 556
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(21)	(17)
Deferred income taxes and amortization of investment tax credits	(166)	224
Changes in regulatory assets and liabilities	94	20
Other Noncash Income (Expense)	19	(2)
Trade receivables and other assets	250	308
Derivative collateral, net	(14)	(23)
Accounts payable and other liabilities	(40)	(37)
Net cash flows from operating activities	1,479	1,438
Capital expenditures	(1,075)	(865)
Other, net	31	(12)
Net cash flows from investing activities	(1,223)	(1,538)
Net proceeds from (repayments of) short-term debt	1,873	(140)
Other, net	(14)	(12)
Net cash flows from financing activities	336	328
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	593	229
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,876	1,232
PacifiCorp [Member]
Net Income (Loss) Attributable to Parent	148	179
Utilities Operating Expense, Depreciation and Amortization	202	196
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(7)	(7)
Deferred income taxes and amortization of investment tax credits	(28)	(5)
Changes in regulatory assets and liabilities	60	19
Other Noncash Income (Expense)	1	0
Trade receivables and other assets	90	115
Derivative collateral, net	(3)	(7)
Increase (Decrease) in Inventories	(12)	2
Increase (Decrease) in Prepaid Expense	7	6
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable	52	97
Accounts payable and other liabilities	23	(7)
Net cash flows from operating activities	533	588
Capital expenditures	(236)	(178)
Other, net	(1)	0
Net cash flows from investing activities	(237)	(178)
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(87)	(51)
Net proceeds from (repayments of) short-term debt	44	(262)
Payments of Ordinary Dividends, Common Stock	(250)	(100)
Net cash flows from financing activities	(293)	(413)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	3	(3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 32	$ 30