    <SEC-DOCUMENT>0001193125-26-089938-index.html : 20260304
    <SEC-HEADER>0001193125-26-089938.hdr.sgml : 20260304
    <ACCEPTANCE-DATETIME>20260304080051
    ACCESSION NUMBER:		0001193125-26-089938
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		61
    CONFORMED PERIOD OF REPORT:	20260413
    FILED AS OF DATE:		20260304
    DATE AS OF CHANGE:		20260304

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SMITH A O CORP
    		CENTRAL INDEX KEY:			0000091142
    		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD APPLIANCES [3630]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				390619790
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-00475
    		FILM NUMBER:		26718891

    	BUSINESS ADDRESS:
    		STREET 1:		11270 WEST PARK PLACE
    		CITY:			MILWAUKEE
    		STATE:			WI
    		ZIP:			53224
    		BUSINESS PHONE:		4143594000

    	MAIL ADDRESS:
    		STREET 1:		11270 WEST PARK PLACE
    		CITY:			MILWAUKEE
    		STATE:			WI
    		ZIP:			53224
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d79196ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d79196ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>aos-20251231.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 2 - file: aos-20251231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g79196dsp094.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g79196dsp094.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g79196dsp144a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g79196dsp144a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g79196dsp144b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g79196dsp144b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g79196dsp144c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g79196dsp144c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g79196g00g72.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g79196g00g72.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g79196g00g73.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g79196g00g73.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g79196g00g75.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g79196g00g75.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g79196g00o50.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g79196g00o50.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g79196g01g74.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g79196g01g74.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g79196g01k01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g79196g01k01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g79196g01n16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g79196g01n16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g79196g01p01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g79196g01p01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g79196g02g74.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g79196g02g74.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g79196g12u03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g79196g12u03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g79196g14k93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g79196g14k93.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g79196g17w34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g79196g17w34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g79196g21r63.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g79196g21r63.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g79196g30e94.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g79196g30e94.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g79196g33q60.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g79196g33q60.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g79196g36u78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g79196g36u78.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g79196g38h93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g79196g38h93.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g79196g56h16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g79196g56h16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g79196g62d98.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g79196g62d98.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g79196g62h35.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g79196g62h35.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g79196g62p97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g79196g62p97.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g79196g64e62.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g79196g64e62.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g79196g65h93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g79196g65h93.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g79196g66f76.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g79196g66f76.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g79196g66m37.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g79196g66m37.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g79196g69a71.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g79196g69a71.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g79196g69c64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g79196g69c64.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g79196g70v36.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g79196g70v36.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g79196g73a74.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g79196g73a74.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g79196g73e59.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g79196g73e59.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g79196g79r28.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g79196g79r28.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g79196g80a01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g79196g80a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g79196g80a02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g79196g80a02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g79196g80a03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g79196g80a03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g79196g80d80.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g79196g80d80.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g79196g86h97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g79196g86h97.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g79196g94m30.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g79196g94m30.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g79196g94v23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g79196g94v23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g79196g98t09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g79196g98t09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g79196pc1_pg2b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g79196pc1_pg2b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g79196pc1_pg2c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g79196pc1_pg2c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>g79196pc2_pg1b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: g79196pc2_pg1b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>g79196pc3_pg1d.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 49 - file: g79196pc3_pg1d.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>g79196time.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 50 - file: g79196time.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>52
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 52 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>53
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 53 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>54
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 54 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>55
    <FILENAME>R4.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 55 - file: R4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>56
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 56 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>57
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 57 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>59
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 59 - file: FilingSummary.html

    Document 59 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>62
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 62 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>63
    <FILENAME>0001193125-26-089938-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 63 - file: 0001193125-26-089938-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>64
    <FILENAME>d79196ddef14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 64 - file: d79196ddef14a_htm.html

    Document 64 - RAW XML: d79196ddef14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>