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The percentage of ownership the enterprise has in a development corporation, which has minority interest in company that consolidates VIE.

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The development corporation's ownership interest in the company that consolidates a VIE.

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Percentage of subsidiary owned by the parent entity

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Tangible assets that are held by a consolidated variable interest entity that can be used only to settle obligations of the consolidated variable interest entity. These assets are for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, and production equipment.

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Term of construction portion of project.

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Term of contracted services portion of project.

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Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Equity Method Investments and Variable Interest Entities (Narrative) (Details) $ in Millions		1 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($)	Feb. 29, 2016	Apr. 30, 2006	Dec. 31, 2019 USD ($) transporter	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Nonrecourse Project Finance Debt
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in percentage)				50.00%
Number of heavy equipment transporters \| transporter				91
Transactions with Related Parties
Schedule of Equity Method Investments [Line Items]
Revenue from related parties				$ 684	$ 721	$ 133
JKC Joint Venture
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				30.00%
Affinity joint venture (U.K. MFTS project)
Schedule of Equity Method Investments [Line Items]
Term of contracted services portion of project (in years)		18 years
Affinity joint venture (U.K. MFTS project) \| Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Nonconsolidated assets				$ 14	16
Nonconsolidated liabilities				10	8
Aspire Defence Limited
Schedule of Equity Method Investments [Line Items]
Term of contracted services portion of project (in years)			35 years
Term of construction portion of project (in years)			9 years
Aspire Defence Limited \| Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Nonconsolidated assets				67	68
Nonconsolidated liabilities				5	5
JKC joint venture (Ichthys LNG project) \| Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Nonconsolidated assets				546	427
Nonconsolidated liabilities				$ 29	32
U.K. Road project joint ventures
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				25.00%
U.K. Road project joint ventures \| Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Nonconsolidated assets				$ 40	37
Nonconsolidated liabilities				$ 21	10
Middle East Petroleum Corporation (EBIC Ammonia project) \| Parent Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage the enterprise has in a development company that has a minority interest in a VIE				65.00%
Middle East Petroleum Corporation (EBIC Ammonia project) \| Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Nonconsolidated assets				$ 47	51
Nonconsolidated liabilities				$ 1	$ 1
KJV-G joint venture (Gorgon LNG project)
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				30.00%
Fasttrax Limited (Fasttrax project)
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
Percentage of subsidiary owned by the parent entity				100.00%
Cash collateral for borrowed securities				$ 18
Property plant and equipment collateral for borrowed securities				$ 23
Brown & Root JV
Schedule of Equity Method Investments [Line Items]
Ownership percentage (in percentage)	50.00%
Affinity Flying Training Services Limited
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
Affinity Capital Works
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
Aspire Defence Limited
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				45.00%		50.00%
Development Corporation \| Middle East Petroleum Corporation (EBIC Ammonia project)
Schedule of Equity Method Investments [Line Items]
Development company's ownership interest in a company that consolidates a VIE				25.00%
Industrial Services Business
Schedule of Equity Method Investments [Line Items]
Proceeds from divestiture of businesses	$ 48