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Warranty - Schedule of Company's Warranty Accruals (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance, beginning of year $ 255 $ 270
Expense, net 98 51
Settlements (111) (81)
Acquisitions 2  
Foreign exchange and other (7) 15
Liabilities held for sale (29)  
Balance, end of year $ 208 $ 255