Description of Company and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) Division	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of business segments | Division	2
Goodwill [Line Items]
Disposal Group, Including Discontinued Operation, Goodwill, Current		$ (276,000,000)
Goodwill, Impairment Loss	$ 0	0	$ 0
Revenue Recognition [Abstract]
Standard contract period for revenue recognition of maintenance and support fees	1 year
Research and Development [Abstract]
Research and development costs	$ 329,000,000	487,000,000	601,000,000
Cash and Cash Equivalents [Abstract]
Cash equivalents, maximum maturity (in months)	3 months
Goodwill [Roll Forward]
Goodwill	$ 2,385,000,000	2,330,000,000
Current year acquisitions	31,000,000	53,000,000
Purchase price adjustments for previous acquisitions	(2,000,000)	2,000,000
Goodwill, Transfers	0
Goodwill	$ 2,414,000,000	2,385,000,000	2,330,000,000
Minimum
Finite-lived intangible assets [Abstract]
Useful life of finite-lived intangible assets (in years)	2 years
Maximum
Finite-lived intangible assets [Abstract]
Useful life of finite-lived intangible assets (in years)	15 years
Completion and Production
Goodwill [Roll Forward]
Goodwill	$ 1,634,000,000	1,606,000,000
Current year acquisitions	31,000,000	27,000,000
Purchase price adjustments for previous acquisitions	(2,000,000)	1,000,000
Goodwill, Transfers	16,000,000
Goodwill	1,679,000,000	1,634,000,000	1,606,000,000
Drilling and Evaluation
Goodwill [Roll Forward]
Goodwill	751,000,000	724,000,000
Current year acquisitions	0	26,000,000
Purchase price adjustments for previous acquisitions	0	1,000,000
Goodwill, Transfers	(16,000,000)
Goodwill	$ 735,000,000	$ 751,000,000	$ 724,000,000