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v3.25.3

ACQUISITIONS - Narrative (Details) $ / shares in Units, € in Millions, $ in Millions |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2025 EUR (€) | Jan. 31, 2025 USD ($) plant $ / shares shares | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Business Combination [Line Items] |  |  |  |  |  |  |
Gain on disposition of business |  |  |  | $ (16) | $ 0 | $ 35 | $ 0
European Plants | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Number of plants divested | plant |  |  | 5 |  |  |  |
Proceeds from divestiture of businesses | $ 147 | € 125 |  |  |  |  |
Gain on disposition of business |  |  |  |  |  | 51 |
DS Smith Plc |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Number of IP shares issued for each DS Smith share (in shares) | shares |  |  | 0.1285 |  |  |  |
Business combination, consideration transferred, equity interest, share issued, number of shares (in shares) | shares |  |  | 178,126,631 |  |  |  |
Business combination, voting equity interest acquired, percentage |  |  | 34.10% |  |  |  |
Business combination, price per share (in dollars per share) | $ / shares |  |  | $ 55.63 |  |  |  |
Business combination, consideration transferred |  |  | $ 9,900 |  |  |  |
Business combination, acquisition-related cost, expense |  |  |  | 4 | 26 | 94 | 48
Measurement period adjustment, decrease in property, plant, and equipment |  |  |  | 89 |  |  |
Measurement period adjustment, increase in contract assets |  |  |  | 236 |  |  |
Measurement period adjustment, decrease inventory |  |  |  | 212 |  |  |
Business combination, acquiree's revenue since acquisition date, actual |  |  |  | 2,200 |  | 5,700 |
Business combination, acquiree's earnings (loss) since acquisition date, actual |  |  |  | (317) |  | (505) |
Business combination, pro forma information, pro forma income (loss), after tax |  |  |  | (1,131) | 80 | (1,148) | 565
DS Smith Plc | Business Combination, Pro Forma Information, Nonrecurring Adjustment, Acquisition-Related Cost |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Business combination, pro forma information, pro forma income (loss), after tax |  |  |  | 11 | 11 |  |
Business combination, integration-related cost, expense |  |  |  |  |  | 104 | 104
DS Smith Plc | Business Combination, Pro Forma Information, Nonrecurring Adjustment, Inventory, Fair Value Adjustment |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Business combination, pro forma information, pro forma income (loss), after tax |  |  |  | $ 41 |  | 30 | 30
DS Smith Plc | Additional Amortization Expense on Identifiable Assets |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Business combination, pro forma information, pro forma income (loss), after tax |  |  |  |  | 47 | 16 | 140
DS Smith Plc | Additional Depreciation Expense on Identifiable Assets |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |
Business combination, pro forma information, pro forma income (loss), after tax |  |  |  |  | $ 38 | $ 13 | $ 113

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