Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss

The changes in the balances of each component of accumulated other comprehensive loss, net of tax benefit, which is included as a component of Waste Management, Inc. stockholders’ equity, are as follows (in millions, with amounts in parentheses representing increases to accumulated other comprehensive loss):

	Derivative Instruments			Available- for-Sale Securities		Foreign Currency Translation Adjustments			Post- Retirement Benefit Obligation			Total
Balance, December 31, 2016	$	(40	)	$	13	$	(47	)	$	(6	)	$	(80	)
Other comprehensive income before reclassifications, net of tax expense of $0, $1, $0 and $0, respectively		—			2		40			1			43
Amounts reclassified from accumulated other comprehensive loss, net of tax benefit of $2, $0, $0 and $0, respectively		4			—		—			—			4
Net current period other comprehensive income		4			2		40			1			47
Balance, June 30, 2017	$	(36	)	$	15	$	(7	)	$	(5	)	$	(33	)

Reclassification of Component of Accumulated Other Comprehensive Loss Associated with Cash Flow Hedges

The significant amounts reclassified out of each component of accumulated other comprehensive loss associated with our cash flow hedges are as follows (in millions, with amounts in parentheses representing debits to the statement of operations classification):

	Three Months Ended June 30,						Six Months Ended June 30,						Statement of Operations Classification
	2017			2016			2017			2016
Forward-starting interest rate swaps	$	(3	)	$	(3	)	$	(6	)	$	(6	)	Interest expense, net
Foreign currency derivatives		—			—			—			(20	)	Other, net
		(3	)		(3	)		(6	)		(26	)	Total before tax
		1			1			2			10		Tax benefit
Total reclassifications for the period	$	(2	)	$	(2	)	$	(4	)	$	(16	)	Net of tax