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NONPENSION POSTRETIREMENT AND POSTEMPLOYMENT BENEFITS - VEBA Trusts (Details) - U.S. and Canada - Nonpension postretirement
$ in Millions
Dec. 31, 2022
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Expected contribution by Company $ 21
Debt Securities  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Weighted-average target asset allocation 33.00%
Equity Securities  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Weighted-average target asset allocation 60.00%
Real Estate  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Weighted-average target asset allocation 7.00%