    <SEC-DOCUMENT>0000766704-22-000059-index.html : 20221107
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    <ACCEPTANCE-DATETIME>20221107160858
    ACCESSION NUMBER:		0000766704-22-000059
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20221107
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20221107
    DATE AS OF CHANGE:		20221107

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WELLTOWER INC.
    		CENTRAL INDEX KEY:			0000766704
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				341096634
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08923
    		FILM NUMBER:		221365478

    	BUSINESS ADDRESS:
    		STREET 1:		4500 DORR STREET
    		CITY:			TOLEDO
    		STATE:			OH
    		ZIP:			43615
    		BUSINESS PHONE:		419-247-2800

    	MAIL ADDRESS:
    		STREET 1:		4500 DORR STREET
    		CITY:			TOLEDO
    		STATE:			OH
    		ZIP:			43615

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HEALTH CARE REIT INC /DE/
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
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    Document 1 - file: well-20221107.htm

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    <FILENAME>a3q22earningsrelease991.htm
    <DESCRIPTION>EX-99.1
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    Document 2 - file: a3q22earningsrelease991.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>a3q22supplement992.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: a3q22supplement992.htm

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    <TYPE>EX-101.SCH
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    <FILENAME>well-20221107.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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    <SEQUENCE>6
    <FILENAME>well-20221107_lab.xml
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    Document 6 - file: well-20221107_lab.xml

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    <FILENAME>welltoweraddressa29a.gif
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    <FILENAME>welltowersupplemental_3q20a.jpg
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    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
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    Document 12 - file: R1.htm

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    Document 13 - RAW XML: well-20221107_htm.xml

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>14
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    Document 14 - file: Financial_Report.xlsx

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    <SEQUENCE>15
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    Document 15 - file: Show.js

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    <SEQUENCE>16
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    <TYPE>XML
    <SEQUENCE>17
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    <TYPE>JSON
    <SEQUENCE>19
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