Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 47	$ 31
Accounts receivable, net	653	628
Income taxes receivable	70	345
Inventories:
Materials and supplies	196	186
Fuel	237	188
Derivative contracts	11	114
Deferred income taxes	129	83
Other current assets	140	120
Total current assets	1,483	1,695
Property, plant and equipment, net	17,374	16,392
Regulatory assets	1,810	1,654
Derivative contracts	4	9
Other assets	435	396
Total assets	21,106	20,146
Current liabilities:
Accounts payable	582	479
Accrued employee expenses	72	81
Accrued interest	105	110
Accrued property and other taxes	66	63
Derivative contracts	90	84
Short-term debt	688	36
Current portion of long-term debt and capital lease obligations	19	588
Other current liabilities	192	121
Total current liabilities	1,814	1,562
Regulatory liabilities	826	825
Derivative contracts	66	399
Long-term debt and capital lease obligations	6,194	5,813
Deferred income taxes	3,863	3,448
Other long-term liabilities	1,031	788
Total liabilities	13,794	12,835
Commitments and contingencies (Note 13)
PacifiCorp shareholders' equity:
Preferred stock	41	41
Common equity:
Common stock - 750 shares authorized, no par value, 357 shares issued and outstanding	0	0
Additional paid-in capital	4,479	4,479
Retained earnings	2,801	2,798
Accumulated other comprehensive loss, net	(9)	(7)
Total common equity	7,271	7,270
Total PacifiCorp shareholders' equity	7,312	7,311
Noncontrolling interest	0	0
Total equity	7,312	7,311
Total liabilities and equity	$ 21,106	$ 20,146