Earnings (loss) per common share ("EPS") - Schedule of Antidilutive Securities Excluded From the Calculation of Earnings Per Share (Details) - shares shares in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of earnings per share (in shares)	0.0	0.6	9.6
Share awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of earnings per share (in shares)	0.0	0.0	1.8
Potential impact of preferred shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of earnings per share (in shares)	0.0	0.0	7.8
Potential impact of accelerated share repurchase
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the calculation of earnings per share (in shares)	0.0	0.6	0.0