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Goodwill and Other Intangible Assets - Schedule of Expected Amortization Expense on Finite-Lived Intangible Assets (Detail)
$ in Millions
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 $ 13
2021 12
2022 10
2023 10
2024 8
Total $ 53