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v3.25.2

Business Combinations - Additional Information (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) $ / shares | Jun. 10, 2025 USD ($) $ / shares | Sep. 30, 2025 USD ($) $ / shares | Jun. 30, 2025 USD ($) Acquisition $ / shares | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) $ / shares | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of acquisitions | Acquisition |  |  |  | 29 |  |  |  |  |
Cash paid | $ 1 |  |  |  |  |  |  |  |
Common stock, par value | $ / shares | $ 0.1 |  |  | $ 0.1 |  | $ 0.1 |  |  |
Total revenues related to acquisitions |  |  |  | $ 18 |  |  |  |  |
Income before income taxes related to acquisitions |  |  |  | 3 |  |  |  |  |
Measurement period adjustment, total net assets |  |  |  | 5 |  |  |  |  |
Measurement period adjustment, goodwill |  |  |  | 5 |  |  |  |  |
Estimated acquisition earn-out payables | $ 151 |  |  | 151 | $ 143 | $ 167 | $ 169 | $ 203 | $ 249
Maximum future contingency payments acquisitions | 429 |  |  | 429 |  |  |  |  |
Other Noncurrent Liabilities |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Estimated acquisition earn-out payables | 88 |  |  | 88 |  |  |  |  |
Accounts payable |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Estimated acquisition earn-out payables | 63 |  |  | $ 63 |  |  |  |  |
Business Combinations - Stock Deals |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of acquisitions | Acquisition |  |  |  | 9 |  |  |  |  |
Assets and Assumed Certain Liabilities |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of acquisitions | Acquisition |  |  |  | 13 |  |  |  |  |
Book of Business Purchases |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of acquisitions | Acquisition |  |  |  | 7 |  |  |  |  |
RSC Topco, Inc. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Merger consideration shares amount |  | $ 1,300 |  |  |  |  |  |  |
Common stock, par value | $ / shares |  | $ 0.1 |  |  |  |  |  |  |
RSC Topco, Inc. | Scenario, Forecast |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | $ 9,825 |  |  |  |  |  |
Net merger consideration payable |  |  | 9,400 |  |  |  |  |  |
Cash paid |  |  | 8,100 |  |  |  |  |  |
Merger consideration shares amount |  |  | $ 1,300 |  |  |  |  |  |
Common stock, par value | $ / shares |  |  | $ 0.1 |  |  |  |  |  |
GRP Holdco Limited |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Maximum potential earn-out amount | $ 0 |  |  | $ 0 |  |  |  |  |

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