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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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

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+ Details

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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.

+ Details

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- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

+ Details

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Balance Type:	credit
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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
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+ Details

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- Details

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- Details

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- Details

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- Details

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Revenue (Details) $ in Millions	3 Months Ended		9 Months Ended
Revenue (Details) $ in Millions	Sep. 30, 2018 USD ($) Division	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Division Countries	Sep. 30, 2017 USD ($) Countries
Disaggregation of Revenue [Line Items]
Number of business segments \| Division	2		2
Maximum Percentage Revenue from One Geographic Segment			10.00%	10.00%
Number of Countries Exceed Revenue Threshold \| Countries			1	1
Revenue	$ 6,172	$ 5,444	$ 18,059	$ 14,680
North America [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,739	3,163	11,090	8,164
Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenue	522	530	1,458	1,501
Europe/Africa/CIS [Member]
Disaggregation of Revenue [Line Items]
Revenue	757	722	2,199	2,005
Middle East/Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,154	1,029	3,312	3,010
Completion And Production [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,170	3,537	12,141	9,273
Drilling And Evaluation [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 2,002	$ 1,907	$ 5,918	$ 5,407
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			59.00%	53.00%