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Supplemental Data (Summary of Inventories) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Inventory    
Raw materials $ 383 $ 413
Work in process 190 211
Finished goods 1,141 1,212
Supplies and other 308 311
Gross inventories 2,022 2,147
Excess of FIFO or weighted-average cost over LIFO cost (200) (192)
Total 1,822 1,955
LIFO    
Inventory    
Raw materials 122 121
Work in process 116 116
Finished goods 510 520
Supplies and other 0 0
Gross inventories 748 757
Excess of FIFO or weighted-average cost over LIFO cost (200) (192)
Total 548 565
Non-LIFO    
Inventory    
Raw materials 261 292
Work in process 74 95
Finished goods 631 692
Supplies and other 308 311
Gross inventories 1,274 1,390
Excess of FIFO or weighted-average cost over LIFO cost 0 0
Total $ 1,274 $ 1,390