Charges and Credits - Additional Information (Detail) - USD ($)		3 Months Ended				6 Months Ended
	Apr. 02, 2016	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2017
Charges And Credits [Line Items]
Promissory note in exchange of accounts receivable		$ 700,000,000				$ 700,000,000
Promissory note term		3 years
Promissory note interest rate		6.50%				6.50%
Charges and credits, Pretax		$ 50,000,000	$ 82,000,000	$ 2,908,000,000	$ 0	$ 674,000,000
Charges and credits, After-tax		38,000,000	$ 68,000,000	2,476,000,000		631,000,000
Workforce reduction
Charges And Credits [Line Items]
Impairment and other charges				646,000,000
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
Promissory Note Fair Value Adjustment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax		460,000,000				510,000,000
Charges and credits, After-tax		460,000,000				498,000,000
Merger and Integration
Charges And Credits [Line Items]
Charges and credits, Pretax	$ 185,000,000					164,000,000
Charges and credits, After-tax						$ 133,000,000
Merger and Integration | Merger-related employee benefits
Charges And Credits [Line Items]
Charges and credits, Pretax				47,000,000
Charges and credits, After-tax				40,000,000
Merger and Integration | Professional fees
Charges And Credits [Line Items]
Charges and credits, Pretax				45,000,000
Charges and credits, After-tax				35,000,000
Merger and Integration | Facility closure costs
Charges And Credits [Line Items]
Charges and credits, Pretax				40,000,000
Charges and credits, After-tax				30,000,000
Merger and Integration | Other merger and integration-related
Charges And Credits [Line Items]
Charges and credits, Pretax				53,000,000
Charges and credits, After-tax				$ 44,000,000
Merger and Integration | Cameron
Charges And Credits [Line Items]
Charges and credits, Pretax		81,000,000
Charges and credits, After-tax		$ 64,000,000
Merger and Integration | Cameron | Inventory fair value adjustments
Charges And Credits [Line Items]
Charges and credits, Pretax	150,000,000
Merger and Integration | Cameron | Merger-related employee benefits
Charges And Credits [Line Items]
Charges and credits, Pretax	47,000,000
Merger and Integration | Cameron | Professional fees
Charges And Credits [Line Items]
Charges and credits, Pretax	45,000,000
Merger and Integration | Cameron | Facility closure costs
Charges And Credits [Line Items]
Charges and credits, Pretax	40,000,000
Merger and Integration | Cameron | Other merger and integration-related
Charges And Credits [Line Items]
Charges and credits, Pretax	$ 53,000,000