Charges and Credits - Additional Information (Detail)	3 Months Ended						9 Months Ended
	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) VEF / $	Sep. 30, 2016
Charges And Credits [Line Items]
Charges and credits, Pretax			$ 0	$ 0	$ 0
Exchange rate | VEF / $						192
Foreign currency transactions, description							This change resulted in a reduction in the US dollar reported amount of local currency denominated revenues, expenses and, consequently, income before taxes and net income in Venezuela.
Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	$ 237,000,000	$ 335,000,000
Inventory fair value adjustments | Cameron | Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	149,000,000	150,000,000
Facility closure costs | Cameron | Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	11,000,000	40,000,000
Merger-related employee benefits | Cameron | Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	46,000,000	47,000,000
Other merger and integration-related | Cameron | Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	$ 31,000,000	53,000,000
Workforce reduction
Charges And Credits [Line Items]
Impairment and other charges		646,000,000
Restructuring and other charges						$ 390,000,000
North America pressure pumping asset impairments
Charges And Credits [Line Items]
Impairment and other charges		209,000,000
Facilities impairments | North America
Charges And Credits [Line Items]
Impairment and other charges		165,000,000
Other fixed asset impairments
Charges And Credits [Line Items]
Impairment and other charges		684,000,000
Inventory Write Down
Charges And Credits [Line Items]
Impairment and other charges		616,000,000
Multiclient seismic data impairment
Charges And Credits [Line Items]
Impairment and other charges		198,000,000
Other restructuring costs
Charges And Credits [Line Items]
Impairment and other charges		55,000,000
Professional fees | Cameron | Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax		$ 45,000,000
Currency Devaluation Loss In Venezuela
Charges And Credits [Line Items]
Restructuring and other charges						$ 49,000,000