Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 39	$ 1,307
Accounts receivable, net of allowance for doubtful accounts of $25 and $30, respectively	1,549	1,587
Other receivables	545	350
Parts and supplies	92	106
Other assets	120	176
Total current assets	2,345	3,526
Property and equipment, net of accumulated depreciation and amortization of $16,420 and $15,968, respectively	10,665	10,657
Goodwill	5,984	5,740
Other intangible assets, net	477	440
Investments in unconsolidated entities	360	408
Other assets	588	526
Total assets	20,419	21,297
Current liabilities:
Accounts payable	721	740
Accrued liabilities	1,064	1,180
Deferred revenues	472	475
Current portion of long-term debt	253	1,090
Total current liabilities	2,510	3,485
Long-term debt, less current portion	8,728	8,345
Deferred income taxes	1,391	1,338
Landfill and environmental remediation liabilities	1,584	1,531
Other liabilities	839	709
Total liabilities	$ 15,052	$ 15,408
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	4,827	4,585
Retained earnings	6,939	6,888
Accumulated other comprehensive income (loss)	(127)	23
Treasury stock at cost, 183,105,326 and 171,745,077 shares, respectively	(6,300)	(5,636)
Total Waste Management, Inc. stockholders' equity	5,345	5,866
Noncontrolling interests	22	23
Total equity	5,367	5,889
Total liabilities and equity	$ 20,419	$ 21,297