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Goodwill and Acquired Intangible Assets - Schedule of Aggregate Amortization Expense for Acquired Intangible Assets (Details) - Acquired Intangible Assets
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]  
Actual 2023 $ 2
2024 3
2025 3
2026 3
2027 3
2028 $ 0