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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | WASTE MANAGEMENT, INC. SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (In Millions)
|  | Balance Beginning of Year |  |  | Charged to Income |  |  | Accounts Written Off/Use of Reserve |  |  | Balance End of Year |
2014 — Reserves for doubtful accounts(a) |  | $ | 34 |  |  | $ | 42 |  |  | $ | (45 | ) |  | $ | 31 |
2015 — Reserves for doubtful accounts(a) |  | $ | 31 |  |  | $ | 36 |  |  | $ | (42 | ) |  | $ | 25 |
2016 — Reserves for doubtful accounts(a) |  | $ | 25 |  |  | $ | 42 |  |  | $ | (43 | ) |  | $ | 24 |
2014 — Merger and restructuring accruals(b) |  | $ | 14 |  |  | $ | 82 |  |  | $ | (51 | ) |  | $ | 45 |
2015 — Merger and restructuring accruals(b) |  | $ | 45 |  |  | $ | 15 |  |  | $ | (47 | ) |  | $ | 13 |
2016 — Merger and restructuring accruals(b) |  | $ | 13 |  |  | $ | 4 |  |  | $ | (10 | ) |  | $ | 7 |
(a) | Includes reserves for doubtful accounts receivable and notes receivable.
(b) | Included in “Accrued liabilities” in our Consolidated Balance Sheets. These accruals represent employee severance and benefit costs and transitional costs.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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