Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 352				$ 495	$ 0	$ 0
Restructuring Charges	58	154	59	70	331	0	0
Deferred tax assets for long-lived assets	129				129	33
Bad debt expense					27	102	22
Increase (decrease) in accounts receivable					(78)	12	705
Professional fees and expenses for investigations and remediation of material weakness					107	67	103
Fees related to Ireland Redomestication					5
Severance, exit and other charges						39	79
Consent solicitation fees							11
Inventory write-down					113	62	53
Assets	18,889				18,889	21,977
North America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					74
Bad debt expense						2
Inventory write-down						35	21
Middle East/North Africa/Asia [Member]
Segment Reporting Information [Line Items]
Impairment of Long-Lived Assets Held-for-use	175
Restructuring Charges					141
Bad debt expense						27
Inventory write-down						7	16
Europe/Sub-Sahara Africa/Russia [Member]
Segment Reporting Information [Line Items]
Impairment of Long-Lived Assets Held-for-use	28
Restructuring Charges					36
Bad debt expense						10
Inventory write-down						13	11
Latin America [Member]
Segment Reporting Information [Line Items]
Impairment of Long-Lived Assets Held-for-use	149
Restructuring Charges					49
Bad debt expense						59
Inventory write-down						7	5
Excessive Quantities and Obsolescence [Member]
Segment Reporting Information [Line Items]
Inventory write-down						62
Customer Concentration Risk [Member] | Petroleos de Venezuela, S.A. [Member] | Accounts Receivable [Member]
Segment Reporting Information [Line Items]
Increase (decrease) in accounts receivable						(127)
Bond face amount						127
Gain (loss) on sale of bonds						(58)
Employee Severance [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					58
Severance, exit and other charges						94
Guar Inventory [Member] | Lower of Cost or Market [Member]
Segment Reporting Information [Line Items]
Inventory write-down							30
U.S. Government Investigations [Member]
Segment Reporting Information [Line Items]
Investigation costs							13
Corporate and Research and Development [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					31
Assets	346				346	336
Operating Segments [Member]
Segment Reporting Information [Line Items]
Bad debt expense					72	98
Operating Segments [Member] | North America [Member]
Segment Reporting Information [Line Items]
Assets	7,297				7,297	7,720
Operating Segments [Member] | Middle East/North Africa/Asia [Member]
Segment Reporting Information [Line Items]
Assets	4,736				4,736	5,328
Operating Segments [Member] | Europe/Sub-Sahara Africa/Russia [Member]
Segment Reporting Information [Line Items]
Assets	3,203				3,203	4,346
Operating Segments [Member] | Latin America [Member]
Segment Reporting Information [Line Items]
Assets	3,307				3,307	4,247
Operating Segments [Member] | United States [Member] | North America [Member]
Segment Reporting Information [Line Items]
Assets	6,100				6,100	6,200
Operating Segments [Member] | North America, Excluding the United States [Member] | North America [Member]
Segment Reporting Information [Line Items]
Assets	1,200				1,200	1,500
2014 Plan [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					273
2014 Plan [Member] | North America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					42
2014 Plan [Member] | Middle East/North Africa/Asia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					133
2014 Plan [Member] | Europe/Sub-Sahara Africa/Russia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					31
2014 Plan [Member] | Latin America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					37
2014 Plan [Member] | Employee Severance [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					114
2014 Plan [Member] | Employee Severance [Member] | North America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					15
2014 Plan [Member] | Employee Severance [Member] | Middle East/North Africa/Asia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					23
2014 Plan [Member] | Employee Severance [Member] | Europe/Sub-Sahara Africa/Russia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					18
2014 Plan [Member] | Employee Severance [Member] | Latin America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					30
2014 Plan [Member] | Corporate and Research and Development [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					30
2014 Plan [Member] | Corporate and Research and Development [Member] | Employee Severance [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					28
2015 Plan [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					58
2015 Plan [Member] | North America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					32
2015 Plan [Member] | Middle East/North Africa/Asia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					8
2015 Plan [Member] | Europe/Sub-Sahara Africa/Russia [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					5
2015 Plan [Member] | Latin America [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					12
2015 Plan [Member] | Corporate and Research and Development [Member]
Segment Reporting Information [Line Items]
Restructuring Charges					$ 1