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Shareholders Equity (Details) - Rowan Companies [Member] shares in Millions, $ in Millions	Apr. 11, 2019 USD ($) shares
Business Combination, Consideration Transferred | $	$ 1,402.8
Class A ordinary shares, U.S.
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	88.3

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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