Current and long-term obligations (Details) - USD ($) $ in Thousands	9 Months Ended
	Nov. 03, 2023	Jun. 07, 2023	Feb. 03, 2023
Current and long-term obligations
Other	$ 205,619
Debt issuance costs, net	(43,483)		$ (36,431)
Current and long-term obligations	7,190,845		7,009,399
Less: current portion	(750,000)
Long-term obligations	6,440,845		7,009,399
Other			200,695
Credit Facilities
Current and long-term obligations
Borrowing availability under credit facility	2,400,000
Senior unsecured credit facility, Revolving Facility
Current and long-term obligations
Long-term obligations	0
Maximum financing under credit agreements	$ 2,000,000
Spread on variable rate (as a percent)	1.015%
Facility fee rate	0.11%
Borrowing availability under credit facility	$ 2,000,000
Borrowing availability except for amount reserved for commercial paper program	$ 1,600,000
Senior unsecured credit facility, Revolving Facility | Base-rate loans
Current and long-term obligations
Spread on variable rate (as a percent)	0.015%
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
Letters of credit outstanding	0
Unsecured 364 Day Credit Facility
Current and long-term obligations
364-Day Revolving Facility	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 | SOFR
Current and long-term obligations
Spread on variable rate (as a percent)	0.10%
Adjusted interest rate margin	1.035%
4.250% Senior Notes due September 20, 2024
Current and long-term obligations
Long-term obligations	$ 749,685		749,437
Discount on debt issuance	$ 315		$ 563
Stated interest rate (as a percent)	4.25%		4.25%
4.150% Senior Notes due Nov 1, 2025
Current and long-term obligations
Long-term obligations	$ 499,816		$ 499,751
Discount on debt issuance	$ 184		$ 249
Stated interest rate (as a percent)	4.15%		4.15%
3.875% Senior Notes due April 15. 2027
Current and long-term obligations
Long-term obligations	$ 599,828		$ 599,793
Discount on debt issuance	$ 172		$ 207
Stated interest rate (as a percent)	3.875%		3.875%
4.625% Senior Notes Due Nov 1, 2027
Current and long-term obligations
Long-term obligations	$ 549,576		$ 549,505
Discount on debt issuance	$ 424		$ 495
Stated interest rate (as a percent)	4.625%		4.625%
4.125% Senior Notes due May 1, 2028
Current and long-term obligations
Long-term obligations	$ 499,750		$ 499,713
Discount on debt issuance	$ 250		$ 287
Stated interest rate (as a percent)	4.125%		4.125%
5.200% Senior Notes due July 5, 2028
Current and long-term obligations
Long-term obligations	$ 499,870
Discount on debt issuance	$ 130	$ 100	$ 0
Amount borrowed		$ 500,000
Stated interest rate (as a percent)	5.20%	5.20%
3.500% Senior Notes due April 3, 2030
Current and long-term obligations
Long-term obligations	$ 940,823		952,440
Discount on debt issuance	$ 457		$ 504
Stated interest rate (as a percent)	3.50%		3.50%
5.000% Senior Notes due Nov 1, 2032
Current and long-term obligations
Long-term obligations	$ 697,796		$ 697,654
Discount on debt issuance	$ 2,204		$ 2,346
Stated interest rate (as a percent)	5.00%		5.00%
5.450% Senior Notes due July 5, 2033
Current and long-term obligations
Long-term obligations	$ 998,449
Discount on debt issuance	$ 1,551	$ 1,600	$ 0
Amount borrowed		$ 1,000,000
Stated interest rate (as a percent)	5.45%	5.45%
4.125% Senior Notes due April 3, 2050
Current and long-term obligations
Long-term obligations	$ 495,305		495,234
Discount on debt issuance	$ 4,695		$ 4,766
Stated interest rate (as a percent)	4.125%		4.125%
5.500% Senior Notes due Nov 1, 2052
Current and long-term obligations
Long-term obligations	$ 299,711		$ 299,708
Discount on debt issuance	$ 289		$ 292
Stated interest rate (as a percent)	5.50%		5.50%
Senior Notes Due July 2028 And 2033
Current and long-term obligations
Debt issue costs		$ 12,400
Unsecured commercial paper notes
Current and long-term obligations
Long-term obligations	$ 198,100		$ 1,501,900
Maximum maturity	364 days
Maximum aggregate borrowing amount	$ 2,000,000
Weighted average interest rate (as a percent)	5.40%
Unsecured commercial paper notes | Wholly-owned subsidiary
Current and long-term obligations
Long-term obligations	$ 197,700		$ 230,800
Letter Of Credit Outside Of Revolving Facility
Current and long-term obligations
Letters of credit outstanding	$ 43,200