Current and long-term obligations (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 31, 2023	Feb. 03, 2023	Sep. 20, 2022	Jan. 28, 2022
Current and long-term obligations
Debt issuance costs, net		$ (36,431)		$ (24,652)
Long-term obligations		7,009,399		4,172,068
Scheduled debt maturities
2023		1,516,478
2024		764,355
2025		514,524
2026		14,378
2027		1,164,532
Thereafter		$ 3,128,329
Base-rate loans
Current and long-term obligations
Variable rate basis		base-rate
Spread on variable rate (as a percent)		0.015%
SOFR
Current and long-term obligations
Adjusted interest rate margin		1.015%
Credit Facilities
Current and long-term obligations
Borrowing availability under credit facility		$ 1,000,000
Senior unsecured credit facility, Revolving Facility
Current and long-term obligations
Current and long-term obligations		0
Maximum financing under credit agreements		$ 2,000,000
Facility fee rate		0.11%
Borrowing availability under credit facility		$ 2,000,000
Borrowing availability except for amount reserved for commercial paper program		$ 300,000
Senior unsecured credit facility, Revolving Facility | SOFR
Current and long-term obligations
Spread on variable rate (as a percent)		0.10%
Senior unsecured credit facility, Revolving Facility | Letters of credit
Current and long-term obligations
Maximum financing under credit agreements		$ 100,000
Unsecured 364 Day Credit Facility [Member]
Current and long-term obligations
Current and long-term obligations		$ 0
Maximum financing under credit agreements	$ 750,000
Facility fee rate		0.09%
Borrowing availability under credit facility		$ 750,000
Unsecured 364 Day Credit Facility [Member] | SOFR
Current and long-term obligations
Spread on variable rate (as a percent)	0.10%
Adjusted interest rate margin		1.035%
Senior notes
Current and long-term obligations
Redemption price as a percentage of principal amount		101.00%
3.25% Senior Notes due April 15, 2023
Current and long-term obligations
Current and long-term obligations				899,681
Credit facility term		10 years
Discount on debt issuance		$ 0		$ 319
Stated interest rate (as a percent)		3.25%		3.25%
4.150% Senior Notes due Nov 1, 2025
Current and long-term obligations
Current and long-term obligations		$ 499,751		$ 499,668
Discount on debt issuance		$ 249		$ 332
Stated interest rate (as a percent)		4.15%		4.15%
3.875% Senior Notes due April 15. 2027
Current and long-term obligations
Current and long-term obligations		$ 599,793		$ 599,749
Discount on debt issuance		$ 207		$ 251
Stated interest rate (as a percent)		3.875%		3.875%
4.125% Senior Notes due May 1, 2028
Current and long-term obligations
Current and long-term obligations		$ 499,713		$ 499,664
Discount on debt issuance		$ 287		$ 336
Stated interest rate (as a percent)		4.125%		4.125%
3.500% Senior Notes due April 3, 2030
Current and long-term obligations
Current and long-term obligations		$ 952,440		$ 988,990
Discount on debt issuance		$ 504		$ 564
Stated interest rate (as a percent)		3.50%		3.50%
4.125% Senior Notes due April 3, 2050
Current and long-term obligations
Current and long-term obligations		$ 495,234		$ 495,143
Discount on debt issuance		$ 4,766		$ 4,857
Stated interest rate (as a percent)		4.125%		4.125%
Senior Notes Due 2024, 2027, 2032 And 2052
Current and long-term obligations
Debt issue costs			$ 16,500
4.250% Senior Notes due September 20, 2024
Current and long-term obligations
Current and long-term obligations		$ 749,437
Discount on debt issuance		$ 563	700	$ 0
Amount borrowed			$ 750,000
Stated interest rate (as a percent)		4.25%	4.25%
4.625% Senior Notes Due Nov 1, 2027
Current and long-term obligations
Current and long-term obligations		$ 549,505
Discount on debt issuance		$ 495	$ 500	0
Amount borrowed			$ 550,000
Stated interest rate (as a percent)		4.625%	4.625%
5.000% Senior Notes due Nov 1, 2032
Current and long-term obligations
Current and long-term obligations		$ 697,654
Discount on debt issuance		$ 2,346	$ 2,400	0
Amount borrowed			$ 700,000
Stated interest rate (as a percent)		5.00%	5.00%
5.500% Senior Notes due Nov 1, 2052
Current and long-term obligations
Current and long-term obligations		$ 299,708
Discount on debt issuance		$ 292	$ 300	0
Amount borrowed			$ 300,000
Stated interest rate (as a percent)		5.50%	5.50%
Unsecured commercial paper notes
Current and long-term obligations
Current and long-term obligations		$ 1,501,900		54,300
Maximum maturity		364 days
Maximum aggregate borrowing amount		$ 2,000,000
Unsecured commercial paper notes | Wholly-owned subsidiary
Current and long-term obligations
Current and long-term obligations		230,800
Other
Current and long-term obligations
Other		200,695
Other				$ 159,525
Letter Of Credit Outside Of Revolving Facility
Current and long-term obligations
Letters of credit outstanding		$ 39,700