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Taxes on Earnings (Details) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Taxes on Earnings |  |
Tax benefits related to the settlement of the former St. Jude Medical consolidated group's 2014 through 2016 federal income tax returns in the U.S. |  | $ 81
Excess tax benefits associated with share-based compensation | $ (90) | (67)
Net tax benefits primarily as a result of the resolution of various tax positions related to prior years related to discontinued operation |  | $ 20
Decrease reasonably possible in gross unrecognized tax benefits | $ 80 |

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- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement, related to discontinued operation. + References No definition available. + Details
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