Consolidated Condensed Balance Sheets - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents ($69 and $118 attributable to VIEs)	$ 215	$ 906
Accounts receivable, net of allowance of $4 and $2	720	644
Inventories	522	475
Margin deposits and other prepaid expense	193	137
Restricted cash, current ($96 and $132 attributable to VIEs)	148	216
Derivative assets, current	1,231	1,698
Current assets held for sale	206	0
Other current assets	53	19
Total current assets	3,288	4,095
Property, plant and equipment, net ($3,993 and $4,062 attributable to VIEs)	13,341	13,012
Restricted cash, net of current portion ($20 and $11 attributable to VIEs)	20	12
Investments in power plants	74	79
Long-term derivative assets	369	313
Assets Held-for-sale, Not Part of Disposal Group	0	130
Other assets ($115 and $119 attributable to VIEs)	887	1,040
Total assets	17,979	18,681
Current liabilities:
Accounts payable	531	552
Accrued interest payable	130	129
Debt, current portion ($164 and $166 attributable to VIEs)	197	221
Derivative liabilities, current	1,360	1,734
Other current liabilities	355	412
Total current liabilities	2,573	3,048
Debt, net of current portion ($3,031 and $3,096 attributable to VIEs)	11,644	11,716
Long-term derivative liabilities	512	473
Other long-term liabilities	298	277
Total liabilities	15,027	15,514
Commitments and contingencies (see Note 11)
Stockholders’ equity:
Preferred stock, $0.001 par value per share; authorized 100,000,000 shares, none issued and outstanding	0	0
Common stock, $0.001 par value per share; authorized 1,400,000,000 shares, 359,662,911 and 356,755,747 shares issued, respectively, and 359,139,948 and 356,662,004 shares outstanding, respectively	0	0
Treasury stock, at cost, 522,963 and 93,743 shares, respectively	(7)	(1)
Additional paid-in capital	9,611	9,594
Accumulated deficit	(6,532)	(6,305)
Accumulated other comprehensive loss	(183)	(179)
Total Calpine stockholders’ equity	2,889	3,109
Noncontrolling interest	63	58
Total stockholders’ equity	2,952	3,167
Total liabilities and stockholders’ equity	$ 17,979	$ 18,681

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.