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Acquisitions and Divestitures (Detail) $ / shares in Units, $ in Millions |  | 2 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 04, 2024 USD ($) $ / shares | Dec. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) item | Dec. 31, 2022 USD ($) item | Nov. 30, 2024 USD ($)
Business Acquisition |  |  |  |  |  |
Operating |  |  | $ (13,383) | $ (12,606) | $ (12,294) |
Selling, general and administrative |  |  | (2,264) | (1,926) | (1,938) |
Non-cash acquisition consideration |  |  | 20 | 25 | 135 |
Senior Notes, Aggregate [Member] |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Debt instrument face amount |  |  |  |  |  | $ 5,200
Stericycle [Member] |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Business acquisition cost (dollars per share) | $ / shares | $ 62 |  |  |  |  |
Total consideration, net of cash acquired | $ 7,200 |  |  |  |  |
Debt incurred for acquisition | 500 |  |  |  |  |
Debt instrument face amount | $ 800 |  |  |  |  |
Business acquisition costs incurred |  |  | 160 |  |  |
Revenue since acquisition |  | $ 403 |  |  |  |
Operating |  | (244) |  |  |  |
Selling, general and administrative |  | (155) |  |  |  |
Aggregate smaller acquisitions [Member] |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |
Total consideration, net of cash acquired |  |  | 790 | $ 182 | $ 507 |
Number of business acquired | item |  |  |  | 12 | 13 |
Business acquisitions cash payments |  |  | 783 | $ 157 | $ 372 |
Non-cash acquisition consideration |  |  | 7 | 25 | 135 |
Promissory notes receivable converted into equity |  |  |  |  | 67 |
Contingent liability payments |  |  | 23 | 13 |  |
Contingent consideration paid for acquisitions closed in previous year |  |  | 16 | $ 6 | $ 5 |
Acquisition of remaining interest |  | $ 41 | $ 41 |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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