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Supplemental Financial Information
12 Months Ended
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Supplemental Financial Information
Supplemental Financial Information
 
 
At December 31
In millions
2014
 
2013
Accounts receivable
 
 
 
Trade
$
635

 
$
731

Other
3

 
4

Accounts receivable, gross
638

 
735

Less: allowance for doubtful accounts
(19
)
 
(18
)
Total accounts receivable, net
$
619

 
$
717

Inventories
 
 
 
Finished goods
$
21

 
$
39

Service parts
17

 
17

Total inventories
$
38

 
$
56

Other current assets
 
 
 
Current deferred tax assets
$
28

 
$
34

Other
53

 
61

Total other current assets
$
81

 
$
95

Property and equipment
 
 
 
Land
$
8

 
$
8

Buildings and improvements
77

 
74

Machinery and other equipment
341

 
309

Property and equipment, gross
426

 
391

Less: accumulated depreciation
(267
)
 
(230
)
Total property and equipment, net
$
159

 
$
161

Other assets
 
 
 
Available-for-sale securities
$
78

 
$

Other
20

 
58

Total other assets
$
98

 
$
58

Other current liabilities
 
 
 
Sales and value-added taxes
$
40

 
$
34

Other
61

 
76

Total other current liabilities
$
101

 
$
110

Deferred revenue
 
 
 
Deferred revenue, current
$
370

 
$
390

Long-term deferred revenue
18

 
25

Total deferred revenue
$
388

 
$
415