Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangible Assets Schedule of Carrying Amount of Goodwill by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Goodwill [Line Items]
Goodwill at December 31, 2015			$ 6,070
Goodwill impairment	$ (1,841)	$ 0	(1,841)	$ 0
Goodwill at June 30, 2016	4,233		4,233
North America
Goodwill [Line Items]
Goodwill at December 31, 2015			3,097
Goodwill impairment			(1,530)
Goodwill, Translation Adjustments			2
Goodwill at June 30, 2016	1,569		1,569
Latin America
Goodwill [Line Items]
Goodwill at December 31, 2015			584
Goodwill impairment			0
Goodwill, Translation Adjustments			3
Goodwill at June 30, 2016	587		587
Europe/Africa/Russia Caspian
Goodwill [Line Items]
Goodwill at December 31, 2015			1,068
Goodwill impairment			0
Goodwill, Translation Adjustments			(1)
Goodwill at June 30, 2016	1,067		1,067
Middle East/Asia Pacific
Goodwill [Line Items]
Goodwill at December 31, 2015			819
Goodwill impairment			0
Goodwill, Translation Adjustments			0
Goodwill at June 30, 2016	819		819
Industrial Services
Goodwill [Line Items]
Goodwill at December 31, 2015			502
Goodwill impairment			(311)
Goodwill, Translation Adjustments			0
Goodwill at June 30, 2016	191		191
Total
Goodwill [Line Items]
Goodwill at December 31, 2015			6,070
Goodwill impairment			(1,841)
Goodwill, Translation Adjustments			4
Goodwill at June 30, 2016	$ 4,233		$ 4,233