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Accrued Liabilities - Changes in Carrying Amount of Service and Product Warranties (Detail)
$ in Millions
6 Months Ended
Jun. 30, 2015
USD ($)
Product Warranties Disclosures [Abstract]  
Beginning Balance $ 272
Net provisions for warranties issued during the year 39
Amounts incurred (48)
Currency translation adjustments and other (2)
Ending Balance $ 261