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Supplemental Data (Summary of Inventories) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Inventory    
Raw materials $ 413 $ 572
Work in process 211 246
Finished goods 1,212 1,388
Supplies and other 311 302
Gross inventories 2,147 2,508
Excess of FIFO or weighted-average cost over LIFO cost (192) (239)
Total 1,955 2,269
LIFO    
Inventory    
Raw materials 121 147
Work in process 116 139
Finished goods 520 518
Supplies and other 0 0
Gross inventories 757 804
Excess of FIFO or weighted-average cost over LIFO cost (192) (239)
Total 565 565
Non- LIFO    
Inventory    
Raw materials 292 425
Work in process 95 107
Finished goods 692 870
Supplies and other 311 302
Gross inventories 1,390 1,704
Excess of FIFO or weighted-average cost over LIFO cost 0 0
Total $ 1,390 $ 1,704