PROPERTY (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of property

The following table provides a breakdown of property:

Property at Dec 31	Estimated Useful Lives (Years)
In millions		2019		2018
Land and land improvements	0-25	$	258	$	285
Buildings	5-50	408		412
Machinery and equipment	3-20	6,097		6,205
Other property	3-30	357		338
Construction in progress	—	127		190
Total property		$	7,247	$	7,430

Schedule of other items related to property

The following table provides information regarding depreciation expense and capitalized interest:

In millions	2019		2018		2017
Depreciation expense	$	175	$	179	$	176
Capitalized interest	$	8	$	7	$	10