Summary of significant accounting policies - Reconciliation of Benefits Paid to Participants per the Financial Statements to Form 5500 (Details) - EBP 002 - USD ($) |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] | ||
| Benefits paid to Participants per the financial statements | $ 4,276,659,525 | $ 3,580,000,204 |
| Add: Amounts allocated to withdrawing Participants at end of year | 15,909,442 | 6,648,075 |
| Less: Amounts allocated to withdrawing Participants at beginning of year | (6,648,075) | (7,442,767) |
| Benefits paid to Participants per Form 5500 | $ 4,285,920,892 | $ 3,579,205,512 |
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- 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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- Definition Amount of decrease in net asset available for benefit from benefit payment and payment to provide benefit as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, payment to provide benefit directly to participant, direct rollover, and payment to insurance carrier. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/2009/role/commonPracticeRef
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- Definition Amount of decrease in benefit payment from amount allocated in prior period, but paid in current period, to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile benefit payment per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in benefit payment from amount allocated, but not yet paid, in current period to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile benefit payment per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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