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Acquisitions - Narrative (Details) $ in Millions |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2024 USD ($) | Sep. 30, 2024 USD ($) acquisition | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses |  | $ 3,853 | $ 561 |  |
Goodwill |  | 10,906 | $ 9,545 | $ 9,158 | $ 9,199
Business acquisition, goodwill, expected tax deductible amount |  | $ 1,379 |  |  |
Acquired finite-lived intangible assets, weighted average useful life |  | 7 years |  |  |
Hunter |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses |  | $ 2,106 |  |  |
Intangible assets, net |  | 2 |  |  |
Goodwill |  | 975 |  |  |
Adbri |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses | $ 802 | 787 |  |  |
Percentage of voting interests acquired | 57.00% |  |  |  |
Intangible assets, net |  | 4 |  |  |
Goodwill |  | 244 |  |  |
Other acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses |  | $ 960 |  |  |
Number of businesses acquired | acquisition |  | 28 |  |  |
Intangible assets, net |  | $ 75 |  |  |
Goodwill |  | 489 |  |  |
2024 Acquisitions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses |  | 3,853 |  |  |
Intangible assets, net |  | 81 |  |  |
Goodwill |  | $ 1,708 |  |  |

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