Lease - Lessor Lease Description (Details) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases where Abbott is the Lessor
Operating Lease Asset, Original Cost	$ 3.3	$ 2.8
Operating Lease Asset, Net Book Value	$ 1.4	$ 1.2
Maximum
Leases where Abbott is the Lessor
Percentage of operating lease revenue to net sales	3.00%	3.00%