Reportable Segments - Additional Information (Detail) |
3 Months Ended |
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Mar. 31, 2018
segment
business_line
ft
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Segment Information [Line Items] | |
Number of business lines | business_line | 2 |
Number of operating segments | 4 |
U.S. (Lower 48) Drilling | |
Segment Information [Line Items] | |
Number of business lines | business_line | 2 |
Number of reportable segments | 2 |
U.S. (Lower 48) Drilling | Minimum | |
Segment Information [Line Items] | |
Underwater drilling depth | ft | 6 |
Drilling contract terms | 20 days |
U.S. (Lower 48) Drilling | Maximum | |
Segment Information [Line Items] | |
Underwater drilling depth | ft | 12 |
Drilling contract terms | 180 days |
International & Alaska Drilling | |
Segment Information [Line Items] | |
Number of reportable segments | 2 |
Drilling contract terms | 1 year |
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- Definition Number Of Business Lines No definition available.
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- Definition Segment Information [Line Items] No definition available.
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- Definition Wells In Process Of Drilling, Contract Terms No definition available.
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- Definition Wells In Process Of Drilling, Underwater Drilling Depth No definition available.
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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