CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 22	$ 32
Accounts receivable, net of allowance for doubtful accounts of $17,704 and $24, respectively	1,805	1,700
Other receivables	569	432
Parts and supplies	96	90
Other assets	132	122
Total current assets	2,624	2,376
Property and equipment, net of accumulated depreciation and amortization of $[000] and $17,152, respectively	11,559	10,950
Goodwill	6,247	6,215
Other intangible assets, net	547	591
Restricted trust and escrow accounts	319	105
Investments in unconsolidated entities	269	320
Other assets	264	302
Total assets	21,829	20,859
Current liabilities:
Accounts payable	1,040	799
Accrued liabilities	980	1,085
Deferred revenues	503	493
Current portion of long-term debt	739	417
Total current liabilities	3,262	2,794
Long-term debt, less current portion	8,752	8,893
Deferred income taxes	1,248	1,482
Landfill and environmental remediation liabilities	1,770	1,675
Other liabilities	755	695
Total liabilities	15,787	15,539
Commitments and contingencies
Waste Management, Inc. stockholders' equity:
Common stock, $0.01 par value; 1,500,000,000 shares authorized; 630,282,461 shares issued	6	6
Additional paid-in capital	4,933	4,850
Retained earnings	8,588	7,388
Accumulated other comprehensive income (loss)	8	(80)
Treasury stock at cost, 196,963,558 and 190,966,584 shares, respectively	(7,516)	(6,867)
Total Waste Management, Inc. stockholders' equity	6,019	5,297
Noncontrolling interests	23	23
Total equity	6,042	5,320
Total liabilities and equity	$ 21,829	$ 20,859

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.