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Acquisitions and Divestitures - Purchase Allocation (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Oct. 30, 2020
Purchase price allocation |  |  |  |
Property and equipment |  | $ 350.0 | $ 115.0 |
Goodwill | $ 8,994.0 | 6,532.0 | 6,430.0 |
Other intangible assets |  | 53.0 | 141.0 |
Allocation of consideration to goodwill |  | 111.0 |  |
Acquired goodwill | 2,470.0 | 108.0 | $ 248.0 |
Carrying value of debt | 13,810.0 | $ 13,498.0 |  |
Advanced Disposal [Member] |  |  |  |
Purchase price allocation |  |  |  |
Accounts and other receivables |  |  |  | $ 159.0
Parts and supplies |  |  |  | 8.0
Other current assets |  |  |  | 17.0
Assets held for sale |  |  |  | 1,022.0
Property and equipment |  |  |  | 1,278.0
Goodwill | $ 2,500.0 |  |  | 2,470.0
Other intangible assets |  |  |  | 604.0
Investments in unconsolidated entities |  |  |  | 9.0
Other assets |  |  |  | 27.0
Accounts payable |  |  |  | (107.0)
Accrued liabilities |  |  |  | (155.0)
Deferred revenues |  |  |  | (19.0)
Current portion of long-term debt |  |  |  | (12.0)
Liabilities held for sale |  |  |  | (234.0)
Long-term debt, less current portion |  |  |  | (441.0)
Landfill and environmental remediation liabilities |  |  |  | (242.0)
Deferred income taxes |  |  |  | (223.0)
Other liabilities |  |  |  | (79.0)
Total purchase price |  |  |  | 4,082.0
Advanced Disposal [Member] | Advanced Disposal 5.625% senior notes due 2024 [Member] |  |  |  |
Purchase price allocation |  |  |  |
Carrying value of debt |  |  |  | $ 425.0
Interest rate (as a percent) |  |  |  | 5.625%
Fair value of debt |  |  |  | $ 438.0

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