General (Details)	9 Months Ended
Sep. 30, 2022 item country
General
Actively marketed rigs for land based drilling operations	299
Actively marketed rigs for offshore based drilling operations	29
Minimum
General
Number of countries company has actively marketed rigs for land based drilling operations \| country	15
Geographic Concentration Risk \| Sales Revenue \| Russia
General
Concentration risk (as a percent)	1.60%
Geographic Concentration Risk \| Property, Plant and Equipment, Net \| Russia
General
Concentration risk (as a percent)	1.10%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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