Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

Acquisitions and Divestitures - Purchase Allocation (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Oct. 31, 2021	Oct. 30, 2021	Oct. 30, 2020	Dec. 31, 2019
Purchase price allocation
Property and equipment						$ 350
Goodwill	$ 9,028	$ 8,994				6,532
Other intangible assets						53
Allocation of consideration to goodwill						$ 111
Acquired goodwill	76	2,470
Carrying value of debt	13,405	$ 13,810
Advanced Disposal [Member]
Purchase price allocation
Accounts and other receivables				$ 160
Parts and supplies				7
Other current assets				16
Assets held for sale				1,022
Property and equipment				1,266
Goodwill	$ 2,500			2,496
Other intangible assets				601
Investments in unconsolidated entities				9
Other assets				25
Accounts payable				(106)
Accrued liabilities				(158)
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				(255)
Deferred income taxes				(214)
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
Accounts and other receivables			$ 1
Parts and supplies			(1)
Other current assets			(1)
Property and equipment			(12)
Goodwill			26
Other intangible assets			(3)
Other assets			(2)
Accounts payable			1
Accrued liabilities			(3)
Landfill and environmental remediation liabilities			(13)
Deferred income taxes			9
Other liabilities			$ (2)