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Acquisitions - Preliminary Purchase Price Estimates Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($)
$ in Millions
Dec. 31, 2018
Sep. 30, 2018
Nov. 30, 2017
Assets      
Goodwill $ 90 $ 93  
Tech Blend [Member]      
Assets      
Cash     $ 1
Accounts receivable     5
Inventories     3
Property, plant and equipment     7
Intangible assets     29
Goodwill     33
Total assets acquired     78
Liabilities      
Current liabilities     (3)
Deferred tax liabilities     (10)
Total liabilities assumed     (13)
Cash consideration paid     $ 65