Unaudited Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents (variable interest entity restricted - 2017: $13; 2016: $18)	$ 501	$ 638
Trade receivables - third party and affiliates (net of allowance for doubtful accounts - 2017: $6; 2016: $6; variable interest entity restricted - 2017: $5; 2016: $4)	886	801
Non-trade receivables, net	216	223
Inventories	717	720
Marketable securities, at fair value	31	30
Other assets	38	60
Total current assets	2,389	2,472
Investments in affiliates	874	852
Property, plant and equipment (net of accumulated depreciation - 2017: $2,307; 2016: $2,239; variable interest entity restricted - 2017: $724; 2016: $734)	3,571	3,577
Deferred income taxes	154	159
Other assets (variable interest entity restricted - 2017: $8; 2016: $9)	308	307
Goodwill	800	796
Intangible assets (net of accumulated amortization - 2017: $531; 2016: $524; variable interest entity restricted - 2017: $26; 2016: $26)	192	194
Total assets	8,288	8,357
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	107	118
Trade payables - third party and affiliates	615	625
Other liabilities	262	322
Income taxes payable	31	12
Total current liabilities	1,015	1,077
Long-term debt, net of unamortized deferred financing costs	2,851	2,890
Deferred income taxes	140	130
Uncertain tax positions	138	131
Benefit obligations	866	893
Other liabilities	237	215
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2017 and 2016: 0 issued and outstanding)	0	0
Treasury stock, at cost (2017: 28,412,876 shares; 2016: 26,950,910 shares)	(1,662)	(1,531)
Additional paid-in capital	149	157
Retained earnings	4,451	4,320
Accumulated other comprehensive income (loss), net	(327)	(358)
Total Celanese Corporation stockholders' equity	2,611	2,588
Noncontrolling interests	430	433
Total equity	3,041	3,021
Total liabilities and equity	8,288	8,357
Series A common stock, $0.0001 par value, 400,000,000 shares authorized (2017: 167,965,429 issued and 139,552,553 outstanding; 2016: 167,611,357 issued and 140,660,447 outstanding)
Stockholders' Equity
Common stock	0	0
Series B common stock, $0.0001 par value, 100,000,000 shares authorized (2017 and 2016: 0 issued and outstanding)
Stockholders' Equity
Common stock	$ 0	$ 0

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.