Cover Page	6 Months Ended
	Jun. 30, 2020 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-07964
Entity Registrant Name	NOBLE ENERGY, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	73-0785597
Entity Address, Address Line One	1001 Noble Energy Way
Entity Address, City or Town	Houston,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77070
City Area Code	281
Local Phone Number	872-3100
Title of each class	Common Stock, $0.01 par value
Trading Symbol(s)	NBL
Name of each exchange on which registered	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	479,768,764
Entity Central Index Key	0000072207
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false