Amount of incentives collected.

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Contract with customer milestone method revenue recognized.

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Effect of decrease (increase) in estimated project costs on income.

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Effect of estimated project costs due to changes in cost estimates.

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Effect of estimated project costs due to changes in cost estimates and foreign exchange losses.

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Effect of estimated project costs foreign exchange losses.

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Incentives amount included in RPOs.

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Incentives amount included in transaction prices.

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Percentage of complete acquired on post combination basis.

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Percentage of complete acquired on pre combination basis.

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Percentage of completion.

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Provisions for estimated losses on projects.

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Unapproved change orders and claims amount.

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Unapproved change orders and claims amount included in revenue remainng performance obligation.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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-Publisher FASB
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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenue, remaining performance obligations	$ 16,375		$ 18,019
Revenues recognized due to changes in transaction price	1,906	$ 2,063
Advance billings on contracts	663
Unapproved change orders and claims	170		231
Unapproved change orders and claims in our RPO balance	65		60
Incentives amount included in transaction prices	312		218
Incentives amount included in our RPO balance	18		28
Incentives collected	165
Provisions for estimated losses	131		124
Effect of changes in estimated project cost on operating results	150
COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	79
NCSA [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenue, remaining performance obligations	5,527		6,250
Revenues recognized due to changes in transaction price	2	22
Effect of changes in estimated project cost on operating results	115	24
NCSA [Member] \| COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	39
NCSA [Member] \| Cameron Liquefied Natural Gas Project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	$ 20
Percentage of complete acquired on post combination basis	94.00%
Percentage of complete acquired on pre combination basis	98.00%
Effect of changes in estimated project cost on operating results	$ 100
Revenue recognized achievement of progress milestones	12
NCSA [Member] \| Freeport LNG Trains 1 and 2 Project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	$ 4
Percentage of complete acquired on post combination basis	98.60%
Percentage of complete acquired on pre combination basis	99.60%
Effect of changes in estimated project cost on operating results	$ 13
NCSA [Member] \| Total Ethane Cracker Project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	8
Effect of changes in estimated project cost on operating results	$ 47
Percentage of completion	86.00%
NCSA [Member] \| Rota 3 pipeline project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	$ 20
Percentage of completion	75.00%
Effect in estimated project cost	$ 8
Effect of estimated project costs, changes in cost estimates	6
Effect of estimated project costs, foreign exchange losses	$ 2
NCSA [Member] \| Asheville power plant project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Percentage of completion	99.00%
NCSA [Member] \| Line 1 and Line 10 project for Pemex [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Percentage of completion	99.00%
EARC [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenue, remaining performance obligations	$ 2,830		3,089
Effect of changes in estimated project cost on operating results		4
EARC [Member] \| COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	11
EARC [Member] \| Total Tyra Redevelopment Project
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	19
Effect of changes in estimated project cost on operating results	$ 11
Percentage of completion	62.00%
EARC [Member] \| Total Tyra Redevelopment Project \| COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	$ 9
APAC [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenue, remaining performance obligations	1,230		1,450
Effect of changes in estimated project cost on operating results		$ 6
APAC [Member] \| COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	12
APAC [Member] \| Reliance subsea field development project [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Provisions for estimated losses	11
Effect of changes in estimated project cost on operating results	$ 7
Percentage of completion	74.00%
APAC [Member] \| Reliance subsea field development project [Member] \| COVID-19 Pandemic [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Effect of changes in estimated project cost on operating results	$ 13
Discontinued Operations [Member] \| Lummus Technology [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenue, remaining performance obligations	$ 610		$ 619