Revenue (Details) $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($) Division Countries	Mar. 31, 2017 USD ($) Countries
Disaggregation of Revenue [Line Items]
Number of business segments \| Division	2
Maximum Percentage Revenue from One Geographic Segment	10.00%	10.00%
Number of Countries Exceed Revenue Threshold \| Countries	1	1
Revenue, Net	$ 5,740	$ 4,279
North America [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	3,517	2,231
Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	457	463
Europe/Africa/CIS [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	716	604
Middle East/Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	1,050	981
Completion And Production [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	3,807	2,604
Drilling And Evaluation [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 1,933	$ 1,675
Minimum [Member]
Disaggregation of Revenue [Line Items]
Revenue, Performance Obligation, Description of Payment Terms	20
Maximum [Member]
Disaggregation of Revenue [Line Items]
Revenue, Performance Obligation, Description of Payment Terms	60
Sales Revenue, Net [Member] \| UNITED STATES
Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	58.00%	49.00%

The maximum percentage of revenue from one geographic segment for the periods presented.

No definition available.

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- Definition

The number of business segments into which the company's operations are divided.

+ References

No definition available.

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- Definition

The number of countries that exceed the revenue threshold of 10%.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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-Name Accounting Standards Codification
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (b)
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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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