CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating revenues	$ 3,461	$ 3,522	$ 10,215	$ 9,972
Costs and expenses:
Operating	2,229	2,261	6,655	6,396
Selling, general and administrative	335	380	1,116	1,144
Depreciation and amortization	331	317	971	935
Restructuring	44	15	51	15
(Income) expense from divestitures, asset impairments and unusual items	22	6	55	6
Total costs and expenses	2,961	2,979	8,848	8,496
Income from operations	500	543	1,367	1,476
Other income (expense):
Interest expense	(123)	(118)	(366)	(358)
Interest income	2	1	4	6
Equity in net losses of unconsolidated entities	(17)	(7)	(35)	(20)
Other, net	(14)	2	(16)	4
Total other income (expense)	(152)	(122)	(413)	(368)
Income before income taxes	348	421	954	1,108
Provision for income taxes	125	136	329	377
Consolidated net income	223	285	625	731
Less: Net income attributable to noncontrolling interests	9	13	32	36
Net income attributable to Waste Management, Inc.	$ 214	$ 272	$ 593	$ 695
Basic earnings per common share	$ 0.46	$ 0.58	$ 1.28	$ 1.47
Diluted earnings per common share	$ 0.46	$ 0.58	$ 1.28	$ 1.46
Cash dividends declared per common share	$ 0.355	$ 0.340	$ 1.065	$ 1.020