Acquisitions - Schedule of Business Combination, Pro Forma Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Beacon Roofing Supply, Inc. | ||||
| Business Combination [Line Items] | ||||
| Net sales | $ 2,693 | $ 4,614 | ||
| Net loss | (9) | (144) | ||
| Kodiak Building Partners | ||||
| Business Combination [Line Items] | ||||
| Net sales | $ 3,246 | 2,545 | $ 5,507 | 3,087 |
| Net loss | $ (40) | $ (38) | $ (262) | $ (36) |
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- Definition Amount of pro forma revenue of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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