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Acquisition of Advanced Disposal - Purchase Allocation (Detail) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020 | Oct. 30, 2020
--- | --- | --- | ---
Purchase price allocation |  |  |
Goodwill | $ 8,992 | $ 8,994 |
Carrying value of debt | 13,244 | $ 13,810 |
Advanced Disposal [Member] |  |  |
Purchase price allocation |  |  |
Accounts and other receivables | 159 |  |
Parts and supplies | 7 |  |
Other current assets | 16 |  |
Assets held for sale | 1,022 |  |
Property and equipment | 1,285 |  |
Goodwill | 2,475 |  |
Other intangible assets | 601 |  |
Investments in unconsolidated entities | 9 |  |
Other assets | 25 |  |
Accounts payable | (106) |  |
Accrued liabilities | (159) |  |
Deferred revenues | (19) |  |
Current portion of long-term debt | (12) |  |
Liabilities held for sale | (234) |  |
Long-term debt, less current portion | (441) |  |
Landfill and environmental remediation liabilities | (243) |  |
Deferred income taxes | (222) |  |
Other liabilities | (81) |  |
Total purchase price | $ 4,082 |  |
Advanced Disposal [Member] | Advanced Disposal 5.625% senior notes due 2024 [Member] |  |  |
Purchase price allocation |  |  |
Carrying value of debt |  |  | $ 425
Interest rate (as a percent) |  |  | 5.625%
Fair value of debt |  |  | $ 438
Advanced Disposal [Member] | Previously Reported [Member] |  |  |
Purchase price allocation |  |  |
Accounts and other receivables |  |  | 159
Parts and supplies |  |  | 8
Other current assets |  |  | 17
Assets held for sale |  |  | 1,022
Property and equipment |  |  | 1,278
Goodwill |  |  | 2,470
Other intangible assets |  |  | 604
Investments in unconsolidated entities |  |  | 9
Other assets |  |  | 27
Accounts payable |  |  | (107)
Accrued liabilities |  |  | (155)
Deferred revenues |  |  | (19)
Current portion of long-term debt |  |  | (12)
Liabilities held for sale |  |  | (234)
Long-term debt, less current portion |  |  | (441)
Landfill and environmental remediation liabilities |  |  | (242)
Deferred income taxes |  |  | (223)
Other liabilities |  |  | (79)
Total purchase price |  |  | 4,082
Advanced Disposal [Member] | Adjustment [Member] |  |  |
Purchase price allocation |  |  |
Parts and supplies |  |  | (1)
Other current assets |  |  | (1)
Property and equipment |  |  | 7
Goodwill |  |  | 5
Other intangible assets |  |  | (3)
Other assets |  |  | (2)
Accounts payable |  |  | 1
Accrued liabilities |  |  | (4)
Landfill and environmental remediation liabilities |  |  | (1)
Deferred income taxes |  |  | 1
Other liabilities |  |  | $ (2)

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