XML 31 R40.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Commitments and Contingencies Warranty Reserve (Tables)
 12 Months Ended
Dec. 31, 2019
Product Warranty Liability [Line Items]  
Schedule of Product Warranty Liability [Table Text Block]
The Company recorded the activity related to the warranty reserve for the years ended December 31 as follows:
In millions
2019
 
2018
 
2017
Warranty reserve liability
 
 
 
 
 
Beginning balance as of January 1
$
26

 
$
26

 
$
27

Accruals for warranties issued
37

 
42

 
43

Settlements (in cash or in kind)
(42)

 
(42)

 
(44)

Ending balance as of December 31
$
21

 
$
26

 
$
26