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Segment Information - Additional Information (Detail)
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3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
Segment
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Jun. 30, 2013
|
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| Segment Reporting Information [Line Items] | ||||
| Number of reportable segments | 2 | |||
| Number of customers individually accounting for more than ten percent of total operating revenues | No single customer accounted for more than 10% of our total operating revenues | No single customer accounted for more than 10% of our total operating revenues | No single customer accounted for more than 10% of our total operating revenues | No single customer accounted for more than 10% of our total operating revenues |
|
Sales
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| Segment Reporting Information [Line Items] | ||||
| Percentage maximum accounted for | 10.00% | 10.00% | 10.00% | 10.00% |
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Wireline
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| Segment Reporting Information [Line Items] | ||||
| Number of countries outside the United States of America to which our Wireline segment provides products and services | 150 | 150 | ||