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Acquisitions - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 6 Months Ended
Apr. 01, 2020
Jun. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
Business Acquisition [Line Items]        
Businesses acquisition, net of cash acquired       $ 8
Assumed debt repaid     $ 117 $ 50
Shenzhen Sanshun Nano New Materials Co., Ltd [Member]        
Business Acquisition [Line Items]        
Business acquisition, purchase price $ 100      
Business acquisition, cash consideration 84      
Businesses acquisition, net of cash acquired 1      
Business acquisition, assumed debt 13      
Assumed debt repaid   $ 13    
Business combination future contingent consideration milestone payment $ 3