Segmented Information - Detailed Segments Information (Detail) $ in Thousands	12 Months Ended
	Feb. 02, 2025 USD ($)	Jan. 28, 2024 USD ($) segment	Jan. 29, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment		3
Segment Reporting Information
Net revenue	$ 10,588,126	$ 9,619,278	$ 8,110,518
Cost of goods sold	4,317,315	4,009,873	3,618,178
Selling, general and administrative expenses	3,762,379	3,397,218	2,757,447
Impairment of goodwill and other assets, restructuring costs	0	74,501	407,913
Amortization of intangible assets	2,735	5,010	8,752
Gain on disposal of assets	0	0	10,180
Income from operations	2,505,697	2,132,676	1,328,408
Other income (expense), net	70,380	43,059	4,163
Income before income tax expense	2,576,077	2,175,735	1,332,571
Depreciation and amortization	446,524	379,384	291,791
lululemon Studio Mirror provision	0	23,709	62,928
Product costs
Segment Reporting Information
Cost of goods sold	3,025,394	2,865,404	2,669,331
Other cost of sales
Segment Reporting Information
Cost of goods sold	1,291,921	1,144,469	948,847
Lululemon Studio
Segment Reporting Information
Impairment of goodwill and other assets, restructuring costs	0	74,501	407,913
lululemon Studio Mirror provision	0	23,709	62,928
Operating Segments
Segment Reporting Information
Net revenue	10,588,126	9,619,278	8,110,518
Selling, general and administrative expenses	2,664,762	2,398,313	1,960,824
Impairment of goodwill and other assets, restructuring costs		0	0
Amortization of intangible assets	0	0	0
Gain on disposal of assets			0
Income from operations	3,840,362	3,476,332	2,803,809
Depreciation and amortization	269,000	219,807	174,448
Operating Segments | Product costs
Segment Reporting Information
Cost of goods sold	3,025,394	2,841,695	2,606,403
Operating Segments | Other cost of sales
Segment Reporting Information
Cost of goods sold	1,057,608	902,938	739,482
Operating Segments | Americas
Segment Reporting Information
Net revenue	7,928,156	7,631,647	6,817,454
Selling, general and administrative expenses	1,934,649	1,834,163	1,575,874
Impairment of goodwill and other assets, restructuring costs		0	0
Amortization of intangible assets	0	0	0
Gain on disposal of assets			0
Income from operations	3,015,557	2,937,184	2,503,740
Depreciation and amortization	204,922	170,417	137,260
Operating Segments | Americas | Product costs
Segment Reporting Information
Cost of goods sold	2,336,251	2,283,490	2,236,509
Operating Segments | Americas | Other cost of sales
Segment Reporting Information
Cost of goods sold	641,699	576,810	501,331
Operating Segments | China Mainland
Segment Reporting Information
Net revenue	1,361,337	963,760	576,503
Selling, general and administrative expenses	328,868	230,645	143,003
Impairment of goodwill and other assets, restructuring costs		0	0
Amortization of intangible assets	0	0	0
Gain on disposal of assets			0
Income from operations	509,859	337,316	196,865
Depreciation and amortization	33,206	25,746	17,842
Operating Segments | China Mainland | Product costs
Segment Reporting Information
Cost of goods sold	324,237	241,663	134,810
Operating Segments | China Mainland | Other cost of sales
Segment Reporting Information
Cost of goods sold	198,373	154,136	101,825
Operating Segments | Rest of World
Segment Reporting Information
Net revenue	1,298,633	1,023,871	716,561
Selling, general and administrative expenses	401,245	333,505	241,947
Impairment of goodwill and other assets, restructuring costs		0	0
Amortization of intangible assets	0	0	0
Gain on disposal of assets			0
Income from operations	314,946	201,832	103,204
Depreciation and amortization	30,872	23,644	19,346
Operating Segments | Rest of World | Product costs
Segment Reporting Information
Cost of goods sold	364,906	316,542	235,084
Operating Segments | Rest of World | Other cost of sales
Segment Reporting Information
Cost of goods sold	217,536	171,992	136,326
Corporate
Segment Reporting Information
Net revenue	0	0	0
Selling, general and administrative expenses	1,097,617	998,905	796,623
Impairment of goodwill and other assets, restructuring costs		74,501	407,913
Amortization of intangible assets	2,735	5,010	8,752
Gain on disposal of assets			10,180
Income from operations	(1,334,665)	(1,343,656)	(1,475,401)
Depreciation and amortization	177,524	159,577	117,343
Corporate | Product costs
Segment Reporting Information
Cost of goods sold	0	23,709	62,928
Corporate | Other cost of sales
Segment Reporting Information
Cost of goods sold	$ 234,313	$ 241,531	$ 209,365