Segments and Geographic Area Analysis - Revenues from Major Customers that Contributed More than 10% of Total Revenues (Detail) - Revenues [Member] - Customer Concentration Risk [Member]	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 23, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
BP [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers	39.80%	25.40%	20.60%	3.10%
Woodside [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers	0.50%	22.40%	7.00%	3.60%
Occidental [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers	21.40%	11.50%	20.10%	20.60%
Petrobras Brasileiro S.A. [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers	2.00%	7.60%	21.20%	19.50%
Shell [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers	9.20%	5.10%	10.10%	5.20%
Hess Corporation [Member]
Revenue, Major Customer [Line Items]
Percentage of revenues from major customers			10.70%	28.90%