Consolidated Balance Sheets - NPC - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,018	$ 1,108
Trade receivables, net	1,852	1,785
Inventories	926	882
Other current assets	864	814
Total current assets	5,175	5,243
Regulatory assets	4,259	4,155
Other assets	1,114	1,008
Total assets	85,888	83,618
Current liabilities:
Accounts payable	1,475	1,564
Accrued interest	466	469
Accrued property, income and other taxes	804	372
Regulatory Liability, Current	306	402
Other current liabilities	879	896
Total current liabilities	7,279	6,089
Regulatory liabilities	2,788	2,631
Deferred income taxes	13,486	12,685
Other long-term liabilities	2,744	2,854
Total liabilities	61,392	61,083
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,404	6,403
Retained earnings	18,968	16,906
Accumulated other comprehensive loss, net	(1,018)	(908)
Total shareholder's equity	24,354	22,401
Total liabilities and equity	85,888	83,618
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents	302	536
Trade receivables, net	359	265
Inventories	72	80
Other current assets	51	46
Total current assets	784	927
Public Utilities, Property, Plant and Equipment, Net	6,971	6,996
Regulatory assets	1,018	1,057
Other assets	38	37
Total assets	8,811	9,017
Current liabilities:
Accounts payable	208	214
Accrued interest	27	54
Accrued property, income and other taxes	128	30
Regulatory Liability, Current	88	173
Long-term Debt and Financial and Capital Lease Obligations, Current	15	225
Customer Deposits, Current	64	58
Other current liabilities	55	28
Total current liabilities	585	782
Long-term Debt and Financial and Capital Lease Obligations	3,050	3,060
Regulatory liabilities	411	304
Deferred income taxes	1,449	1,405
Other long-term liabilities	262	303
Total liabilities	5,757	5,854
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	2,308	2,308
Retained earnings	749	858
Accumulated other comprehensive loss, net	(3)	(3)
Total shareholder's equity	3,054	3,163
Total liabilities and equity	$ 8,811	$ 9,017