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Acquisition - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Feb. 28, 2022
Jun. 30, 2022
Mar. 31, 2022
Mar. 31, 2022
Business Acquisition [Line Items]        
Cash assumed from acquisition of business       $ (5)
Gain on bargain purchase of a business       24
Accounts Payable and Accrued Liabilities [Member]        
Business Acquisition [Line Items]        
Gain on bargain purchase of a business       $ 24
Tokai Carbon Group(Tianjin) Co. [Member]        
Business Acquisition [Line Items]        
Business acquisition, ownership percentage 100.00%      
Business acquisition, purchase price $ 9      
Business acquisition, cash consideration 14   $ 14  
Cash assumed from acquisition of business 5      
Gain on bargain purchase of a business $ 24      
Tokai Carbon Group(Tianjin) Co. [Member] | Scenario Forecast [Member]        
Business Acquisition [Line Items]        
Business acquisition, cash consideration   $ 14