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Charges and Credits	3 Months Ended
Charges and Credits	Mar. 31, 2017
Restructuring And Related Activities [Abstract]
Charges and Credits	2. Charges and Credits In connection with Schlumberger’s acquisition of Cameron (See Note 4 – Acquisition of Cameron), Schlumberger recorded $82 million of pretax charges ($68 million after-tax) consisting of employee benefits, facility consolidation and other merger and integration-related costs during the first quarter of 2017. This charge is classified in Merger & integration in the Consolidated Statement of Income. There were no charges or credits recorded during the first quarter of 2016.