CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,307	$ 58
Accounts receivable, net of allowance for doubtful accounts of $30 and $33, respectively	1,587	1,699
Other receivables	350	111
Investment in unconsolidated entity		177
Parts and supplies	106	178
Deferred income taxes	115	113
Other assets	176	163
Total current assets	3,641	2,499
Property and equipment, net of accumulated depreciation and amortization of $15,968 and $16,723, respectively	10,657	12,344
Goodwill	5,740	6,070
Other intangible assets, net	440	529
Investments in unconsolidated entities	408	414
Other assets	526	747
Total assets	21,412	22,603
Current liabilities:
Accounts payable	740	744
Accrued liabilities	1,180	1,069
Deferred revenues	475	475
Current portion of long-term debt	1,090	726
Total current liabilities	3,485	3,014
Long-term debt, less current portion	8,345	9,500
Deferred income taxes	1,453	1,842
Landfill and environmental remediation liabilities	1,531	1,518
Other liabilities	709	727
Total liabilities	15,523	16,601
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	4,585	4,596
Retained earnings	6,888	6,289
Accumulated other comprehensive income	23	154
Treasury stock at cost, 171,745,077 and 165,961,646 shares, respectively	(5,636)	(5,338)
Total Waste Management, Inc. stockholders' equity	5,866	5,707
Noncontrolling interests	23	295
Total equity	5,889	6,002
Total liabilities and equity	$ 21,412	$ 22,603