Cash held by joint ventures that Enterprise consolidates for accounting purposes. Joint venture cash balances are limited to joint venture activities and are not available for other projects, general cash needs, or distribution to Enterprise without approval of the board of directors of the respective joint ventures.

No definition available.

Equity Method Investments And Variable Interest Entities (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Apr. 30, 2006	Mar. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Schedule of Equity Method Investments [Line Items]
Other Asset Impairment Charges				$ 31	$ 171	$ 0
Noncontrolling Interest in Variable Interest Entity		$ 40
Payment to Partner		$ 8
Payments to Acquire Equity Method Investments				$ 19	0	0
Brown & Root JV [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage				50.00%
Aspire Defence [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				45.00%
Ichthys LNG Project [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				30.00%
MMM [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage				50.00%
Aspire Defence Project [Member]
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
Amount of assets associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				$ 17
Amount of liabilities associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				121
Aspire Defence Project [Member] \| Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount				17	17
Ichthys LNG Project [Member]
Schedule of Equity Method Investments [Line Items]
Amount of assets associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				87
Amount of liabilities associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				63
Ichthys LNG Project [Member] \| Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount				$ 87	49
U.K. Road Projects [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				25.00%
U.K. Road Projects [Member] \| Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount				$ 34	34
Construction And Related Support Services Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
EBIC Ammonia Plant [Member]
Schedule of Equity Method Investments [Line Items]
Amount of assets associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				$ 36
Amount of liabilities associated with our investment in a project on a unconsolidated VIE that is reported within our condensed consolidated balance sheet				$ 2
EBIC Ammonia Plant [Member] \| Parent Company [Member]
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%
EBIC Ammonia Plant [Member] \| Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount				$ 22	26
EBIC Ammonia Plant [Member] \| Development Corporation [Member]
Schedule of Equity Method Investments [Line Items]
Development company's ownership interest in a company that consolidates a VIE				25.00%
Fasttrax Limited Project [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
Percentage of subsidiary owned by the parent entity				100.00%
Assets collateralizing the Joint Venture's senior bonds, cash and equivalents				$ 20
Assets collateralizing the Joint Venture's senior bonds, property, plant and equipment				$ 48
Escravos Gas-To-Liquids Project [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				50.00%
Cash held by consolidated joint ventures				$ 7	8
Gorgon LNG Project [Member]
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage				30.00%
Transactions with Related Parties [Member]
Schedule of Equity Method Investments [Line Items]
Revenue from Related Parties				$ 291	351	$ 253
Accounts Receivable, Net, Current				$ 7	$ 7
Nonrecourse Project Finance Debt [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage				50.00%
Number of heavy equipment transporters				91
Industrial Services Business [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from Divestiture of Businesses			$ 48
Canadian Pipe Fabrication Business [Member] \| EPIC Piping LLC [Member]
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Equity Method Investments			19
Disposal Group, Not Discontinued Operations [Member] \| Industrial Services Business [Member]
Schedule of Equity Method Investments [Line Items]
Disposal Group, Not Discontinued Operation, Gain on Disposal			$ 7