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Taxes on Income (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Income Tax Examination [Line Items] |  |
Effective income tax rate (as percent) | 8.00% | 16.10%
Internal Revenue Service (IRS) | Domestic Tax Authority |  |
Income Tax Examination [Line Items] |  |
Tax benefit recognized related to settlement | $ 237 |
Income taxes paid | $ 190 |

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