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Supplemental Financial Information
 12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Supplemental Financial Information
Supplemental Financial Information
 
 
At December 31
In millions
2018
 
2017
Accounts receivable
 
 
 
Trade
$
590

 
$
559

Other
12

 
7

Accounts receivable, gross
602

 
566

Less: allowance for doubtful accounts
(14
)
 
(12
)
Total accounts receivable, net
$
588

 
$
554

Inventories
 
 
 
Finished goods
$
16

 
$
18

Service parts
12

 
12

Total inventories
$
28

 
$
30

Property and equipment
 
 
 
Land
$
8

 
$
8

Buildings and improvements
84

 
82

Capital lease assets
52

 
—

Machinery and other equipment
495

 
404

Property and equipment, gross
639

 
494

Less: accumulated depreciation
(344
)
 
(332
)
Total property and equipment, net
$
295

 
$
162

Other current liabilities
 
 
 
Sales and value-added taxes
$
34

 
$
30

Pension and other postemployment plan liabilities
10

 
9

Capital lease obligations - current portion
17

 
—

Other
74

 
63

Total other current liabilities
$
135

 
$
102

Deferred revenue
 
 
 
Deferred revenue, current
$
490

 
$
414

Long-term deferred revenue
105

 
85

Total deferred revenue
$
595

 
$
499

Other long-term liabilities
 
 
 
Transition tax
$
102

 
$
133

Capital lease obligations
30

 
—

Uncertain tax positions
17

 
14

Other
8

 
2

Total other long-term liabilities
$
157

 
$
149