Restructuring expenses (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2026 |
Mar. 31, 2025 |
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| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | $ 2 | $ 51 |
| Severance costs | 36 | |
| Non-cash branch and facility costs | 15 | |
| Corporate restructuring expenses | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | 2 | 0 |
| Business restructuring expenses | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | $ 0 | $ 51 |
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- Definition Noncash Facility Costs, Lease Impairment No definition available.
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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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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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