A. O. Smith Corporation Master Trust - Fair Value of Investments and Investment Income for the Master Trust (Details) - EBP 018 - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP, Master Trust [Line Items] | ||
| Investment Income | $ 64,524 | $ 85,959 |
| Net income | 73,743,287 | 56,657,261 |
| Master Trust | ||
| EBP, Master Trust [Line Items] | ||
| Net appreciation in fair value of investments | 62,621,567 | 47,797,104 |
| Investment Income | 10,259,105 | 8,053,048 |
| Net income | $ 72,880,672 | $ 55,850,152 |
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- Definition Amount of increase (decrease) in net asset available for benefit from income (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, realized and unrealized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) in net asset available for benefit from unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in net asset available for benefit from interest and dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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