Impairment and Restructuring Charges - (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) Employee	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Employee	Sep. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Combined Long-Lived and Intangible Asset Impairment Charges	$ 131		$ 578
Restructuring Costs	173	$ 98	1,012	$ 747
Restructuring Reserve, Severance	42		42
Restructuring reserve, contract termination	75		75
Inventory Write-down and Disposal Cost Charge			587
Inventory disposal costs			31
Inventory Write Down-Cost of Sales			194	37
Inventory Write Down-Cost of Services			393	157
Inventory write-down			556	194
Loss on firm purchase commitment			51
Workforce reductions
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 58	108	$ 203	416
Restructuring and Related Cost, Expected Number of Positions Eliminated | Employee	1,400		6,400
Payments for Restructuring			$ 236
Contract terminations
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ 55	0	146	83
Payments for Restructuring			97
Impairment of buildings and improvements
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use	91	0	196	82
Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use	(31)	$ (10)	467	$ 166
Machinery and Equipment
Restructuring Cost and Reserve [Line Items]
Carrying Amount of Impaired Long-Lived Assets, Held-for-use	380		380
Impairment of Long-Lived Assets Held-for-use	116		462
Customer Relationships and Trade Names [Member]
Restructuring Cost and Reserve [Line Items]
Carrying Amount of Intangible Assets, Finite-Lived	40		40
Impairment of Intangible Assets, Finite-lived	$ 15		116
Latin America
Restructuring Cost and Reserve [Line Items]
Fair Value Assumptions, Weighted Average Cost of Capital	16.00%
North America
Restructuring Cost and Reserve [Line Items]
Fair Value Assumptions, Weighted Average Cost of Capital	10.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Inventory Write-down and Disposal Cost Charge			84
Latin America | Impairment of buildings and improvements
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			18
Latin America | Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			82
North America
Restructuring Cost and Reserve [Line Items]
Inventory Write-down and Disposal Cost Charge			200
North America | Impairment of buildings and improvements
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			130
North America | Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			200
Europe/Africa/Russia Caspian
Restructuring Cost and Reserve [Line Items]
Inventory Write-down and Disposal Cost Charge			143
Europe/Africa/Russia Caspian | Impairment of buildings and improvements
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			41
Europe/Africa/Russia Caspian | Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			81
Middle East/Asia Pacific
Restructuring Cost and Reserve [Line Items]
Inventory Write-down and Disposal Cost Charge			117
Middle East/Asia Pacific | Impairment of buildings and improvements
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			7
Middle East/Asia Pacific | Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			71
Industrial Services
Restructuring Cost and Reserve [Line Items]
Inventory Write-down and Disposal Cost Charge			43
Industrial Services | Impairment of machinery and equipment
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets Held-for-use			$ 33