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Income taxes - Schedule of Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details) | 12 Months Ended
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Feb. 01, 2025 | Feb. 03, 2024 | Jan. 28, 2023
Income Tax Disclosure [Abstract] |  |  |
US federal income tax rates | 21.00% | 21.00% | 21.00%
US state income taxes | 7.10% | 2.70% | 2.90%
Differences between US federal and foreign statutory income tax rates | 1.10% | 0.40% | 0.80%
Expenditures permanently disallowable for tax purposes, net of permanent tax benefits | 0.30% | (0.40%) | (1.40%)
Impact of global reinsurance arrangements | (32.30%) | (5.80%) | (8.70%)
Impact of global financing arrangements | (4.70%) | (1.50%) | (2.20%)
Impairment of goodwill | 45.70% | 0.00% | 0.00%
Base Erosion and Anti-Abuse Tax | 7.70% | 1.50% | 0.00%
Uncertain tax positions | 5.70% | (2.40%) | 4.70%
Bermuda ETA | 0.00% | (41.10%) | 0.00%
Valuation allowance | (1.80%) | (0.30%) | 0.00%
Other items | 0.90% | (0.80%) | (0.60%)
Effective tax rate | 50.70% | (26.70%) | 16.50%

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