Equity-Based Compensation - Total Stock-Based Compensation Expense Primarily Recognized Within SG&A (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018		Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 21	$ 52	[1]	$ 23
Restructuring Costs [Member] | Chicago Bridge & Iron Company N.V. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		$ 26

[1] Compensation expense in 2018 included $26 million, recorded within Restructuring costs in our Consolidated Statements of Operations, associated with accelerated vesting for employees who were terminated as a result of the Combination.