Business Segment and Geographic Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Baker Hughes Contract Termination Fee	$ 3,500
Total charges related to Baker Hughes acquisition	464
Property, Plant and Equipment, Net	8,532	$ 12,117
Revenue:
Total revenue	15,887	23,633	$ 32,870
Operating income (loss):
Total operating income (loss)	(6,778)	(165)	5,097
Restructuring Charges	(3,357)	(2,177)	(129)
Interest expense, net of interest income (c)	(639)	(447)	(383)
Other, net	(208)	(324)	(2)
Income (loss) from continuing operations before income taxes	(7,625)	(936)	4,712
Capital expenditures:
Total capital expenditures	798	2,184	3,283
Depreciation, depletion and amortization:
Total depreciation, depletion and amortization	1,503	1,835	2,126
Revenue:
Total revenue	15,887	23,633	32,870
Total assets:
Total assets	27,000	36,942
Redemption Premium	41
Early Repayment of Senior Debt	2,500
Completion and Production
Revenue:
Total revenue	8,882	13,682	20,253
Operating income (loss):
Total operating income (loss)	107	1,069	3,670
Restructuring Charges	(2,100)	(1,100)	(60)
Capital expenditures:
Total capital expenditures	500	1,526	1,953
Depreciation, depletion and amortization:
Total depreciation, depletion and amortization	900	1,160	1,162
Revenue:
Total revenue	8,882	13,682	20,253
Total assets:
Total assets	10,349	13,628
Drilling and Evaluation
Revenue:
Total revenue	7,005	9,951	12,617
Operating income (loss):
Total operating income (loss)	794	1,519	1,740
Restructuring Charges	(1,200)	(1,000)	(69)
Capital expenditures:
Total capital expenditures	297	650	1,297
Depreciation, depletion and amortization:
Total depreciation, depletion and amortization	569	638	934
Revenue:
Total revenue	7,005	9,951	12,617
Total assets:
Total assets	8,473	10,531
Shared assets
Total assets:
Total assets	3,371	1,785
Total operations
Operating income (loss):
Total operating income (loss)	901	2,588	5,410
Corporate and other
Operating income (loss):
Total operating income (loss)	(4,322)	(576)	(184)
Restructuring Charges	(10)	(88)
Capital expenditures:
Total capital expenditures	1	8	33
Depreciation, depletion and amortization:
Total depreciation, depletion and amortization	34	37	30
Total assets:
Total assets	4,807	10,998
North America [Member]
Segment Reporting Information [Line Items]
Revenues	6,770	10,856	17,698
Property, Plant and Equipment, Net	4,431	6,091
Latin America [Member]
Segment Reporting Information [Line Items]
Revenues	1,860	3,149	3,875
Property, Plant and Equipment, Net	1,068	1,463
Europe/ Africa/ CIS [Member]
Segment Reporting Information [Line Items]
Revenues	2,993	4,175	5,490
Property, Plant and Equipment, Net	1,253	1,620
Middle East/Asia [Member]
Segment Reporting Information [Line Items]
Revenues	4,264	5,453	$ 5,807
Property, Plant and Equipment, Net	$ 1,780	$ 2,943