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Interest Income (Expense), Net - Summary of Interest Income (Expense), Net (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Investments Debt And Equity Securities [Abstract] |  |  |
Income | $ 55 | $ 47 | $ 30
Expense | (54) | (54) | (52)
Total | $ 1 | $ (7) | $ (22)

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