Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2025

Accumulated Other Comprehensive Income (Loss)

Components of Accumulated Other Comprehensive Income (Loss), net of tax

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

					Foreign		Post-
			Available-		Currency		Retirement
	Derivative		for-Sale		Translation		Benefit
	Instruments		Securities		Adjustments		Obligations		Total
Balance, December 31, 2024	$	44	$	15	$	(179)	$	5	$	(115)
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit) of $(1), $3, $0 and $0, respectively		3		8		117		—		128
Amounts reclassified from accumulated other comprehensive (income) loss, net of tax (expense) benefit of $(1), $0, $0 and $0, respectively		(4)		—		—		—		(4)
Net current period other comprehensive income (loss)		(1)		8		117		—		124
Balance, June 30, 2025	$	43	$	23	$	(62)	$	5	$	9