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Description of Business, Basis of Presentation and Significant Accounting Policies - Aggregate Amortization Expense for Internal and External-Use Software (Detail) - Internal-use software amortization expense
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
Acquired Intangible Assets Amortization [Line Items]  
Actual 2022 $ 5
2023 5
2024 4
2025 3
2026 3
2027 $ 3