Statements of Changes in Net Assets Available for Benefits - U.S. Group Savings Plan - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Contributions | ||
| Employee | $ 233,724,479 | $ 226,451,342 |
| Employer | 212,367,229 | 203,865,954 |
| Rollover | 35,961,214 | 32,669,256 |
| Investment income | ||
| Net investment income from Sanofi U.S. Group Savings Master Trust | 1,355,244,496 | 993,427,567 |
| Interest on notes receivable from participants | 3,577,723 | 3,189,421 |
| Total additions | 1,840,875,141 | 1,459,603,540 |
| DEDUCTIONS FROM NET ASSETS ATTRIBUTED TO | ||
| Distributions | 818,276,339 | 764,248,179 |
| Fees and administrative expenses | 1,245,433 | 1,019,893 |
| Total deductions | 819,521,772 | 765,268,072 |
| Increase in net assets available for benefits | 1,021,353,369 | 694,335,468 |
| Transfer out (see Note1) | 184,536,749 | |
| NET ASSETS AVAILABLE FOR BENEFITS | ||
| Beginning of year | 8,494,721,918 | 7,800,386,450 |
| End of year | $ 9,331,538,538 | $ 8,494,721,918 |
| X | ||||||||||
- Definition Amount of decrease in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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| X | ||||||||||
- 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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- References No definition available.
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- Definition Amount of increase in net asset available for benefit from cash and noncash contributions from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in net asset available for benefit from interest income on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, excluding rollover, of increase in net asset available for benefit from contribution by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of net asset available for benefit transferred to (from) employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from (to) external plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Details
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