Commitments and Contingencies - Additional Information (Detail) - USD ($)		3 Months Ended
	Mar. 08, 2016	Mar. 31, 2020	Dec. 31, 2019
Commitments And Contingencies Disclosure [Line Items]
Loss contingency, damages awarded, value		$ 10,750,000
Payments of settlements by installment		2,500,000
Litigation reserve		8,250,000
Loss contingency estimate		233,000,000
Potential environmental liabilities		0
Reduction in Transaction Price [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency estimate		13,000,000
Cost Reimbursable Projects [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency, damages amount	$ 4,500,000,000
Asserted claims against customer	$ 250,000,000
Consolidated Joint Venture Projects [Member]
Commitments And Contingencies Disclosure [Line Items]
Asserted claims against customer		103,000,000
Net of amounts owned to joint venture		78,600,000
Reserve for estimated project losses		55,000,000
Reserve for estimated project losses at joint venture level		85,000,000
Chicago Bridge & Iron Company N.V. Securities Litigation [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency accrual liability amount		0
Gotham Diversified Neutral Master Fund, LP, et al. v. Chicago Bridge & Iron Company N.V. et al., and Appaloosa Investment L.P., et al., v. Chicago Bridge & Iron Company N.V., et al. [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency accrual liability amount		0
Daniel Cohen, et al. v. Chicago Bridge & Iron Company, N.V., et al. [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency accrual liability amount		0
Edwards v. McDermott International, Inc., et al.. [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency accrual liability amount		0
Saudi Arabia Customs Audit [Member]
Commitments And Contingencies Disclosure [Line Items]
Loss contingency accrual liability amount		$ 0
Loss contingency estimate			$ 64,700,000