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Acquisitions - Schedule of Fair Values of Identifiable Assets Acquired and Liabilities Assumed (Parenthetical) (Detail)
$ in Millions
Apr. 02, 2016
USD ($)
Business Acquisition [Line Items]  
Fair value adjustment to inventory $ 299
Debt obligations assumed 3,018 [1]
Increase in fair value of notes $ 244
Customer Relationships  
Business Acquisition [Line Items]  
Weighted-average life 25 years
Technology/Technical know-how  
Business Acquisition [Line Items]  
Weighted-average life 16 years
Tradenames  
Business Acquisition [Line Items]  
Weighted-average life 25 years
Cameron  
Business Acquisition [Line Items]  
Debt obligations assumed $ 2,750
OneSubsea  
Business Acquisition [Line Items]  
Prior to completion of merger, ownership percentage in joint venture 40.00%
Ownership percentage after completion of merger 100.00%
OneSubsea | Cameron  
Business Acquisition [Line Items]  
Prior to completion of merger, ownership percentage in joint venture by parent 60.00%
[1] In connection with the merger, Schlumberger assumed all of the debt obligations of Cameron, including its $2.75 billion of fixed rate notes. Schlumberger recorded a $244 million adjustment to increase the carrying amount of these notes to their estimated fair value. This adjustment is being amortized as a reduction of interest expense over the remaining term of the respective obligations.