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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss) |
Components of Accumulated Other Comprehensive Income (Loss) | 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, 2017 |  | $ | (33) |  | $ | 15 |  | $ | 29 |  | $ | (3) |  | $ | 8
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit) of $0, $0, $0 and $0, respectively |  |  | — |  |  | (1) |  |  | (32) |  |  | — |  |  | (33)
Amounts reclassified from accumulated other comprehensive (income) loss, net of tax (expense) benefit of $1, $0, $0 and $0, respectively |  |  | 2 |  |  | — |  |  | — |  |  | — |  |  | 2
Net current period other comprehensive income (loss) |  |  | 2 |  |  | (1) |  |  | (32) |  |  | — |  |  | (31)
Adoption of new accounting standard (a) |  |  | (7) |  |  | 3 |  |  | — |  |  | (1) |  |  | (5)
Balance, March 31, 2018 |  | $ | (38) |  | $ | 17 |  | $ | (3) |  | $ | (4) |  | $ | (28)
| (a) |  | As of January 1, 2018, we adopted ASU 2018-02 and reclassified stranded tax effects to retained earnings. See Note 1 for further discussion of ASU 2018-02.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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