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Share-Based Compensation - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 28, 2024	Jul. 30, 2023	Jul. 11, 2024
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized	$ 610.4
Weighted average performance period	2 years 9 months 18 days
Vested (in shares)	4,677,000
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized	$ 30.7
Weighted average performance period	2 years 2 months 12 days
Vested (in shares)	38,000
PRSUs \| PetSmart
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)		93,309
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)	83,200,000
2024 Omnibus Incentive Plan \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares allowed for issuance (in shares)			3,100,000
2024 Omnibus Incentive Plan \| Common Class A \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares allowed for issuance (in shares)			80,000,000.0