    <SEC-DOCUMENT>0000914475-25-000186-index.html : 20251124
    <SEC-HEADER>0000914475-25-000186.hdr.sgml : 20251124
    <ACCEPTANCE-DATETIME>20251124160250
    ACCESSION NUMBER:		0000914475-25-000186
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		18
    CONFORMED PERIOD OF REPORT:	20251121
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20251124
    DATE AS OF CHANGE:		20251124

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NEUROCRINE BIOSCIENCES INC
    		CENTRAL INDEX KEY:			0000914475
    		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				330525145
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-22705
    		FILM NUMBER:		251512822

    	BUSINESS ADDRESS:
    		STREET 1:		6027 EDGEWOOD BEND COURT
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92130
    		BUSINESS PHONE:		(858) 617-7600

    	MAIL ADDRESS:
    		STREET 1:		6027 EDGEWOOD BEND COURT
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92130
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>nbix-20251121.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: nbix-20251121.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>exhibit101.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: exhibit101.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>nbix-20251121.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: nbix-20251121.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>nbix-20251121_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: nbix-20251121_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>nbix-20251121_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: nbix-20251121_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exhibit101001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: exhibit101001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exhibit101002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: exhibit101002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit101003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: exhibit101003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit101004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: exhibit101004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>nbix-20251121_g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: nbix-20251121_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: FilingSummary.html

    Document 16 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>18
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>19
    <FILENAME>0000914475-25-000186-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: 0000914475-25-000186-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>nbix-20251121_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: nbix-20251121_htm.html

    Document 20 - RAW XML: nbix-20251121_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>