v3.26.1
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transaction [Line Items]        
Revenues $ 944 $ 938 $ 1,821 $ 1,756
Costs of sales 699 712 1,368 1,341
Dividends paid     96 96
P E I Group        
Related Party Transaction [Line Items]        
Revenues   0   17
Products purchased   0   51
P E I Group | Freight and Warehousing Costs        
Related Party Transaction [Line Items]        
Costs of sales   0   4
Packaging Finance Limited        
Related Party Transaction [Line Items]        
Dividends paid $ 36 $ 36 $ 72 $ 72