Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Property, Plant and Equipment

These assets are recorded at historical cost and are depreciated using the straight-line method of depreciation over the estimated useful lives as follows:

	Estimated Life
Buildings and improvements	5 to 40 years
Machinery and equipment	2 to 10 years
Furniture and fixtures	3 to 7 years
Equipment held for lease or rental	2 to 10 years

The components of total property, plant and equipment, net are as follows: 

	December 31,
(in millions)	2020		2019
Land, buildings and improvements	$	369	$	339
Machinery and equipment	941		861
Equipment held for lease or rental	241		256
Furniture and fixtures	124		118
Construction work in progress	110		104
Other	29		24
Total property, plant and equipment, gross	1,814		1,702
Less accumulated depreciation	1,157		1,044
Total property, plant and equipment, net	$	657	$	658