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Accrued Liabilities - Changes in Carrying Amount of Service and Product Warranties (Detail) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Product Warranties Disclosures [Abstract]  
Beginning Balance $ 228
Net provisions for warranties issued during the year 87
Amounts incurred (50)
Currency translation adjustments and other 2
Ending Balance $ 267