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Acquisitions and Dispositions - Summary of Consideration Paid and Assets and Liabilities Acquired (Details) - Henley Bluewater, LLC - USD ($)
$ in Millions
Mar. 31, 2018
Mar. 31, 2017
Business Acquisition [Line Items]    
Inventory $ 1 $ 0
Property, plant and equipment 2 0
Intangible assets 64 45
Other noncurrent assets 0 3
Net assets acquired $ 67 $ 48