Consolidated Balance Sheets - NPC - 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
Accumulated other comprehensive loss, net	(979)	(908)
Total shareholder's equity	23,357	22,401
Total liabilities and equity	84,607	83,618
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents	112	536
Trade receivables, net	332	265
Inventories	78	80
Other current assets	46	46
Total current assets	568	927
Public Utilities, Property, Plant and Equipment, Net	6,981	6,996
Regulatory assets	1,042	1,057
Other assets	40	37
Total assets	8,631	9,017
Current liabilities:
Accounts payable	212	214
Accrued interest	50	54
Accrued property, income and other taxes	39	30
Regulatory Liability, Current	161	173
Long-term Debt and Financial and Capital Lease Obligations, Current	11	225
Customer Deposits, Current	59	58
Other current liabilities	46	28
Total current liabilities	578	782
Long-term Debt and Financial and Capital Lease Obligations	3,057	3,060
Regulatory liabilities	310	304
Deferred income taxes	1,426	1,405
Other long-term liabilities	298	303
Total liabilities	5,669	5,854
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	2,308	2,308
Retained earnings	657	858
Accumulated other comprehensive loss, net	(3)	(3)
Total shareholder's equity	2,962	3,163
Total liabilities and equity	$ 8,631	$ 9,017