Post-Employment Benefits - Stock Retirement Plan (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Abbott Stock Retirement Plan | |||
| Defined contribution plan | |||
| Contribution to Abbott Stock Retirement Plan, defined contribution plan | $ 181 | $ 164 | $ 158 |