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Exceptional Items - Additional Information (Detail) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2022
Disclosure of exceptional items [line items]      
Exceptional items net $ 140 $ 1,244 $ 1,074
Samarco dam failure [member]      
Disclosure of exceptional items [line items]      
Exceptional items net $ 140 $ 821 $ 1,063