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Share-Based Payment Arrangements - Summary of Share-based Payment Expenses (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement [Line Items]      
Expense from share-based payment transactions $ 357 $ 54 $ 34
Cost of revenue [Member]      
Statement [Line Items]      
Expense from share-based payment transactions 42 10 4
Sales and Marketing [Member]      
Statement [Line Items]      
Expense from share-based payment transactions 11 2 1
Research and Development [Member]      
Statement [Line Items]      
Expense from share-based payment transactions 89 14 12
General and Administrative [Member]      
Statement [Line Items]      
Expense from share-based payment transactions $ 215 $ 28 $ 17