Consolidated Statements of Cash Flows - PacifiCorp - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Net Income (Loss) Attributable to Parent	$ 2,062	$ 1,901
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(147)	(84)
Deferred income taxes and amortization of investment tax credits	546	617
Increase (Decrease) in Regulatory Assets and Liabilities	41	326
Other Noncash Income (Expense)	(60)	41
Increase (Decrease) in Accounts Receivable and Other Operating Assets	(348)	(251)
Derivative collateral, net	22	8
Accounts payable and other liabilities	183	(47)
Net cash flows from operating activities	4,824	5,909
Capital expenditures	(3,521)	(4,251)
Other, net	(47)	67
Net cash flows from investing activities	(4,117)	(4,446)
Net proceeds from (repayments of) short-term debt	887	(473)
Other, net	(50)	(75)
Net cash flows from financing activities	(792)	(428)
Net change in cash and cash equivalents	(90)	1,034
Cash and cash equivalents at beginning of period	1,108	617
Cash and cash equivalents at end of period	1,018	1,651
PacifiCorp [Member]
Net Income (Loss) Attributable to Parent	594	550
Utilities Operating Expense, Depreciation and Amortization	576	567
Increase (Decrease) in Allowance for Equity Funds Used During Construction	(21)	(26)
Deferred income taxes and amortization of investment tax credits	76	32
Increase (Decrease) in Regulatory Assets and Liabilities	85	41
Other Noncash Income (Expense)	6	7
Increase (Decrease) in Accounts Receivable and Other Operating Assets	19	14
Derivative collateral, net	2	(42)
Increase (Decrease) in Inventories	(32)	(3)
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable	133	250
Accounts payable and other liabilities	(66)	121
Net cash flows from operating activities	1,372	1,511
Capital expenditures	(586)	(640)
Other, net	26	(8)
Net cash flows from investing activities	(560)	(648)
Proceeds from Issuance of Long-term Debt	0	250
Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities	(56)	(116)
Net proceeds from (repayments of) short-term debt	(20)	(20)
Payments of Ordinary Dividends, Common Stock	(550)	(950)
Other, net	0	(3)
Net cash flows from financing activities	(626)	(839)
Net change in cash and cash equivalents	186	24
Cash and cash equivalents at beginning of period	12	23
Cash and cash equivalents at end of period	$ 198	$ 47