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Supplemental Financial Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Accounts receivable    
Trade $ 561 $ 591
Other 6 6
Accounts receivable, gross 567 597
Less: allowance for doubtful accounts (19) (17)
Total accounts receivable, net 548 580
Inventories    
Finished goods 20 32
Service parts 14 17
Total inventories 34 49
Property and equipment    
Land 8 8
Buildings and improvements 77 78
Machinery and other equipment 354 336
Property and equipment, gross 439 422
Less: accumulated depreciation (301) (279)
Total property and equipment, net 138 143
Other current liabilities    
Sales and value-added taxes 28 35
Pension and other postemployment plan liabilities 7 17
Other 53 50
Total other current liabilities 88 102
Deferred revenue    
Deferred revenue, current 369 367
Long-term deferred revenue 14 15
Total deferred revenue $ 383 $ 382