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Long-term Employee-related Obligations - Additional Information (Detail) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Long-term investments earmarked for severance pay liabilities in Israel | $ 137 | $ 149
Expected contributions to pension funds | 106 |
2019 | 6 |
2020 | 6 |
2021 | 7 |
2022 | 8 |
2023 | 8 |
2024 to 2028 | $ 42 |

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- Definition Defined benefit plan estimated future discretionary employer contributions in next fiscal year. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments year five. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments year four. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments year one. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments year three. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments year two. + References No definition available. + Details
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- Definition Future expected domestic minimum benefit payments years six through ten. + References No definition available. + Details
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- Definition Long-term investments earmarked for domestic severance obligations. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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