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Significant Accounting Policies - Summary of Future Lease Payments Under Non-Cancellable Leases (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Operating Lease Liabilities, Payments Due [Abstract] |  |
2020 | $ 23 |
2021 | 23 |
2022 | 19 |
2023 | 13 |
2024 | 8 |
Thereafter | 6 |
Total future lease payments | 92 |
Less imputed interest | (8) |
Total lease liabilities | 84 |
Accrued expenses and other current liabilities | 20 | [1]
Other long-term liabilities | 64 | [2]
Total lease liabilities | 84 |
Finance Lease Liabilities, Payments, Due [Abstract] |  |
2020 | 9 |
2021 | 10 |
2022 | 10 |
2023 | 10 |
2024 | 10 |
Thereafter | 57 |
Total future lease payments | 106 |
Less imputed interest | (23) |
Total lease liabilities | 83 |
Accrued expenses and other current liabilities | 5 | [1]
Other long-term liabilities | 78 | [2]
Total lease liabilities | $ 83 |
[1] | Refer to “Note 2: Significant Accounting Policies” for further information regarding our leases, including the transition accounting and updated accounting policies upon adoption of ASC 842 in 2019
[2] | Refer to “Note 2: Significant Accounting Policies” for further information regarding our leases, including the transition accounting and updated accounting policies upon adoption of ASC 842 in 2019.

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