Acquisitions and Divestitures - Business Combination with Maersk Drilling (Details) $ / shares in Thousands, shares in Millions		12 Months Ended
	Oct. 03, 2022 USD ($) executive $ / shares shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Settlement of Compulsory Purchase Interest		$ 123,754,000
Goodwill acquired		26,016,000	$ 0
Additional Paid-in Capital
Business Acquisition [Line Items]
Settlement of Compulsory Purchase Interest		123,754,000
Maersk Drilling Merger
Business Acquisition [Line Items]
Business combination, percentage of issued and outstanding shares acquired (more than)	90.00%
Business combination, shares exchange ratio	1.6137
Business combination, consideration in cash election per share (usd per share) | $ / shares	$ 1
Business combination, consideration in cash election amount	$ 50,000,000
Business combination, number of executives terminated | executive	5
Total purchase price consideration	$ 2,000,873,000
Cash paid to acquire business	5,600,000
Non-cash consideration to acquire business	$ 2,000,000,000
Settlement of Compulsory Purchase Interest (in shares) | shares	4.1
Fair Value of Compulsory Purchase	$ 193,678,000
Compulsory purchase, cash payment	69,900,000
Goodwill acquired	26,016,000
Goodwill, expected tax deductible amount	$ 0
Maersk Drilling Merger | Additional Paid-in Capital
Business Acquisition [Line Items]
Settlement of Compulsory Purchase Interest		$ 123,800,000