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Income Taxes Income Tax Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Income Tax Disclosure [Abstract] |  |  |
Tax charge related to U.S. state blended tax rate changes associated with the Internal Reorganizations |  |  | $ 146
Tax benefit related to an internal legal entity restructuring associated with the Internal Reorganizations |  |  | 102
Tax benefit related to the impact of recent tax law enactment in foreign jurisdictions |  | $ 14 |
Tax benefit related to an elective change in accounting method for the impact of the Act's foreign tax provisions |  | $ 51 |
Tax benefit related to the enactment of the Swiss Tax Reform | $ 38 |  | 38
Other Tax Benefit |  |  | 21
Tax benefit (charge) related to application of the Act's foreign tax provisions | $ 13 |  | $ (83)

X
- Definition Tax benefit associated with changes in accruals for certain prior year tax positions and reductions in the company's unrecognized tax benefits due to closure of various state statutes of limitations. + References No definition available. + Details
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X
- Definition Tax benefit (charge) related to application of the Act's foreign tax provisions + References No definition available. + Details
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- Definition Tax benefit related to the enactment of the Swiss Tax Reform + References No definition available. + Details
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- Definition Tax benefit related to return to accrual adjustment associated with elective change in accounting method for 2019 tax year impact of The Act's foreign tax provisions. + References No definition available. + Details
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- Definition Tax benefit related to an internal legal entity restructuring associated with the Business Separations + References No definition available. + Details
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- Definition Tax benefit related to accrual adjustment to reflect change in estimate on impact of tax law enactment in a foreign jurisdiction. + References No definition available. + Details
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- Definition Tax charge related to U.S. state blended tax rate changes associated with the Business Separations. + References No definition available. + Details
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- References No definition available. + Details
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