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Property and Equipment (Narratives) (Details) - USD ($)	3 Months Ended			4 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Apr. 30, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Asset Impairment Charges		$ 0	$ 756,500,000
Gain (Loss) on Disposition of Other Assets		$ 2,000,000
Operating Segments [Member] | Jackups
Property, Plant and Equipment [Line Items]
Asset Impairment Charges			0
Operating Segments [Member] | Jackups | Subsequent Event | V113 & V114
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Other Assets	$ 120
Foreign Exchange Forward | Loss on Impairment
Property, Plant and Equipment [Line Items]
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income ("AOCI") into Income (Effective Portion)				$ 5,600,000
Floaters
Property, Plant and Equipment [Line Items]
Asset Impairment Charges			$ 756,500,000
Property, Plant, and Equipment, Fair Value Disclosure					$ 26,000,000

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) on sale or disposal of other assets.

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