CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Operating revenues	$ 3,396	$ 3,336
Costs and expenses:
Operating	2,232	2,209
Selling, general and administrative	375	390
Depreciation and amortization	317	323
Restructuring	1	8
(Income) expense from divestitures, asset impairments and unusual items	2	4
Total costs and expenses	2,927	2,934
Income from operations	469	402
Other income (expense):
Interest expense, net	(121)	(121)
Equity in net losses of unconsolidated entities	(9)	(8)
Other, net	(3)	(11)
Total other income (expense)	(133)	(140)
Income before income taxes	336	262
Provision for income taxes	99	86
Consolidated net income	237	176
Less: Net income attributable to noncontrolling interests	9	8
Net income attributable to Waste Management, Inc.	$ 228	$ 168
Basic earnings per common share	$ 0.49	$ 0.36
Diluted earnings per common share	$ 0.49	$ 0.36
Cash dividends declared per common share	$ 0.375	$ 0.365