v3.26.1
BUSINESS SEGMENT INFORMATION - Schedule of Operating Profit (Loss) by Industry Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales $ 5,971 $ 5,264
Cost of products sold 4,244 3,805
Selling and administrative expenses 510 487
Depreciation and amortization 489 520
Distribution expenses 513 417
Interest Expense, net 76 84
Adjustment for less than wholly owned subsidiaries (1) (1)
Corporate expenses, net 10 20
Net special items 37 237
Non-operating pension expense (income) (18) 3
Earnings (Loss) From Continuing Operations Before Income Taxes and Equity Earnings (Loss) 93 (155)
Restructuring charges, net 23 83
Other nonrecurring (income) expense 3  
Gain on sale of fixed assets 0 67
DS Smith Plc    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Business combination, transactions costs   221
Resource and asset realignment - PS EMEA    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Business exit costs 11  
Restructuring charges, net 8  
Riceboro Containerboard Mill    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Business exit costs 7  
Resource And Asset Realignment    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Restructuring charges, net 16 5
Permanently Closed Mills    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Gain on sale of fixed assets   67
Red River Containerboard Mill    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Restructuring charges, net   78
Net sales from external customers    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 5,920 5,218
Intersegment sales    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales (29) (34)
Operating segments    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 5,949 5,252
Business Segment Operating Profit (Loss) 197 188
Other external sales    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 51 46
PS NA | Net sales from external customers    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 3,597 3,668
PS NA | Intersegment sales    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales (29) (34)
PS NA | Operating segments    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 3,626 3,702
Cost of products sold 2,507 2,569
Selling and administrative expenses 333 282
Depreciation and amortization 230 413
Distribution expenses 276 266
Other segment items 32 30
Business Segment Operating Profit (Loss) 248 142
PS EMEA | Net sales from external customers    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 2,323 1,550
PS EMEA | Intersegment sales    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 0 0
PS EMEA | Operating segments    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Net Sales 2,323 1,550
Cost of products sold 1,712 1,147
Selling and administrative expenses 157 93
Depreciation and amortization 259 107
Distribution expenses 237 151
Other segment items 9 6
Business Segment Operating Profit (Loss) $ (51) $ 46