ACQUISITIONS - Schedule of Pro Forma Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| North Pacific Paper Company | ||||
| Business Combination, Pro Forma Information [Line Items] | ||||
| Net Sales | $ 6,197 | $ 6,355 | $ 18,455 | $ 18,069 |
| Net Earnings (Loss) | $ (1,126) | (1,113) | $ (1,092) | (1,163) |
| DS Smith Plc | ||||
| Business Combination, Pro Forma Information [Line Items] | ||||
| Net Sales | 6,222 | 18,364 | ||
| Net Earnings (Loss) | $ (1,131) | $ (1,148) | ||
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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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