Business And Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule Of Inventory

The classes of inventory as of December 31 are summarized as follows ($ in millions):

	2021		2020
Finished goods	$	1,343	$	1,232
Work in process	473		369
Raw materials	951		691
Total	$	2,767	$	2,292

Useful Lives of Depreciable Assets

The provision for depreciation has been computed principally by the straight-line method based on the estimated useful lives of the depreciable assets as follows:

Category	Useful Life
Buildings	30 years
Leased assets and leasehold improvements	Amortized over the lesser of the economic life of the asset or the term of the lease
Machinery and equipment	3 – 10 years
Customer-leased instruments	5 – 7 years

Estimated useful lives are periodically reviewed and, when appropriate, changes to estimates are made prospectively.

The classes of property, plant and equipment as of December 31 are summarized as follows ($ in millions):

	2021		2020
Land and improvements	$	203	$	192
Buildings	1,676		1,522
Machinery and equipment	3,610		2,881
Customer-leased equipment	1,766		1,849
Gross property, plant and equipment	7,255		6,444
Less: accumulated depreciation	(3,465)		(3,182)
Property, plant and equipment, net	$	3,790	$	3,262

Classes of Property, Plant and Equipment

The provision for depreciation has been computed principally by the straight-line method based on the estimated useful lives of the depreciable assets as follows:

Category	Useful Life
Buildings	30 years
Leased assets and leasehold improvements	Amortized over the lesser of the economic life of the asset or the term of the lease
Machinery and equipment	3 – 10 years
Customer-leased instruments	5 – 7 years

Estimated useful lives are periodically reviewed and, when appropriate, changes to estimates are made prospectively.

The classes of property, plant and equipment as of December 31 are summarized as follows ($ in millions):

	2021		2020
Land and improvements	$	203	$	192
Buildings	1,676		1,522
Machinery and equipment	3,610		2,881
Customer-leased equipment	1,766		1,849
Gross property, plant and equipment	7,255		6,444
Less: accumulated depreciation	(3,465)		(3,182)
Property, plant and equipment, net	$	3,790	$	3,262