v3.20.4
Intangible Assets - Estimated Amortization Expense for Finite-Lived Intangible Assets (Detail)
$ in Millions
Dec. 31, 2020
USD ($)
Finite Lived Intangible Assets Future Amortization Expense [Abstract]  
2021 $ 107
2022 103
2023 97
2024 92
2025 $ 87