Joint Ventures (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2017	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Joint Ventures
Redeemable noncontrolling interest			$ 675,283	$ 442,840
Assets:
Cash and cash equivalents			991,471	472,246	$ 435,990	$ 447,766
Accounts receivable			287,572	362,977
Other current assets			95,740	109,595
Property, plant and equipment, net			3,332,498	3,985,707	$ 4,930,549
Other long-term assets			134,903	139,085
Total assets (1)			5,525,364	5,503,428
Liabilities:
Accounts payable			253,748	220,922
Accrued liabilities			247,171	276,085
Other liabilities			340,347	318,034
Total liabilities (1)			4,131,143	3,803,780
SANAD
Joint Ventures
Settled accrued interest	$ 100,000
Assets:
Cash and cash equivalents			293,037	368,981
Accounts receivable			88,174	79,711
Other current assets			6,662	17,148
Property, plant and equipment, net			467,587	428,331
Other long-term assets			19,010	2,590
Total assets (1)			874,470	896,761
Liabilities:
Accounts payable			61,278	61,808
Accrued liabilities			6,021	18,791
Other liabilities			26,300
Total liabilities (1)			93,599	$ 80,599
SANAD | Saudi Aramco
Joint Ventures
Cash contribution for joint venture		$ 20,000
Additional contribution amount		$ 394,000
Maturity period		25 years
Redeemable noncontrolling interest			$ 393,800