Consolidated Balance Sheets - SPPC - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 778	$ 1,108
Trade receivables, net	1,814	1,785
Inventories	933	882
Other current assets	840	814
Total current assets	4,961	5,243
Regulatory assets	4,193	4,155
Other assets	1,071	1,008
Total assets	84,607	83,618
Current liabilities:
Accounts payable	1,432	1,564
Accrued interest	464	469
Accrued property, income and other taxes	643	372
Regulatory Liability, Current	396	402
Other current liabilities	929	896
Total current liabilities	6,541	6,089
Regulatory liabilities	2,665	2,631
Deferred income taxes	13,118	12,685
Other long-term liabilities	2,789	2,854
Total liabilities	61,108	61,083
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,404	6,403
Retained earnings	17,932	16,906
Total shareholder's equity	23,357	22,401
Total liabilities and equity	84,607	83,618
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents	69	106
Trade receivables, net	95	124
Inventories	42	39
Other current assets	13	13
Total current assets	219	282
Public Utilities, Property, Plant and Equipment, Net	2,791	2,766
Regulatory assets	433	432
Other assets	7	7
Total assets	3,450	3,487
Current liabilities:
Accounts payable	111	127
Accrued interest	14	15
Accrued property, income and other taxes	12	13
Regulatory Liability, Current	98	78
Long-term Debt and Financial and Capital Lease Obligations, Current	2	453
Customer Deposits, Current	17	17
Other current liabilities	16	11
Total current liabilities	270	714
Long-term Debt and Financial and Capital Lease Obligations	1,154	749
Regulatory liabilities	229	230
Deferred income taxes	585	570
Other long-term liabilities	149	148
Total liabilities	2,387	2,411
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	1,111	1,111
Retained earnings	(48)	(35)
Total shareholder's equity	1,063	1,076
Total liabilities and equity	$ 3,450	$ 3,487