Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Oil, Gas and NGL Sales	$ 3,389	$ 3,093	$ 4,945
Income from Equity Method Investees	102	90	170
Total Revenues	3,491	3,183	5,115
Costs and Expenses
Production Expense	1,083	979	945
Exploration Expense	925	488	498
Depreciation, Depletion and Amortization	2,454	2,131	1,759
General and Administrative	399	396	503
Asset Impairments	92	533	500
Goodwill Impairment	0	779	0
Other Operating (Income) Expense, Net	166	(349)	8
Total Operating Expenses	(4,787)	(5,655)	(4,197)
Operating (Loss) Income	(1,296)	(2,472)	918
Other (Income) Expense
Loss (Gain) on Commodity Derivative Instruments	139	(501)	(976)
Interest, Net of Amount Capitalized	328	263	210
Other Non-Operating Expense (Income), Net	9	(15)	(26)
Total Other Expense (Income)	476	(253)	(792)
(Loss) Income Before Income Taxes	(1,772)	(2,219)	1,710
Income Tax (Benefit) Provision	(787)	222	496
Income (Loss) from Continuing Operations	(998)	(2,441)	1,214
Net (Loss) Income Including Noncontrolling Interests	(985)	(2,441)	1,214
Less: Net Income Attributable to Noncontrolling Interests	13	0	0
Net (Loss) Income Attributable to Noble Energy	$ (998)	$ (2,441)	$ 1,214
Net (Loss) Income Attributable to Noble Energy per Share of Common Stock
Net Income (in dollars per share)	$ (2.32)	$ (6.07)	$ 3.36
Net Income (in dollars per share)	$ (2.32)	$ (6.07)	$ 3.27
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding, Basic (in shares)	430	402	361
Weighted Average Number of Shares Outstanding, Diluted (in shares)	430	402	367