Long-Term Debt and Credit Lines- Long-Term Debt, Exclusive of Current Installments (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Apr. 30, 2020	Feb. 01, 2020
Debt Instrument [Line Items]
Unamortized debt discount	$ 13,279
Long-term debt, gross	6,118,070		$ 2,244,844
Current maturities of long-term debt, net of debt issuance costs	(749,684)		0
Debt issuance cost	(35,465)		(8,219)
Long-term debt	$ 5,332,921		2,236,625
2.75% Senior Unsecured Notes Due June 15, 2021 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.75%
Effective interest rate	2.76%
Unamortized debt discount	$ 25		100
Long-term debt, gross	$ 749,975		749,900
2.50% Senior Unsecured Notes Due May 15, 2023 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.50%
Effective interest rate	2.51%
Unamortized debt discount	$ 100		145
Long-term debt, gross	$ 499,900		499,855
3.50% Senior Unsecured Notes Due April 15, 2025 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	3.50%	3.50%
Effective interest rate	3.58%
Unamortized debt discount	$ 4,208
Long-term debt, gross	$ 1,245,792		0
2.25% Senior Unsecured Notes Due September 15, 2026 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.25%
Effective interest rate	2.32%
Unamortized debt discount	$ 4,165		4,911
Long-term debt, gross	$ 995,835		995,089
3.75% Senior Unsecured Notes Due April 15, 2027 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	3.75%	3.75%
Effective interest rate	3.76%
Unamortized debt discount	$ 456
Long-term debt, gross	$ 749,544		0
1.150% Senior Unsecured Notes Due May 15, 2028 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	1.15%
Effective interest rate	1.18%
Unamortized debt discount	$ 939
Long-term debt, gross	$ 499,061		0
3.875% Senior Unsecured Notes Due April 15, 2030 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	3.875%	3.875%
Effective interest rate	3.89%
Unamortized debt discount	$ 568
Long-term debt, gross	$ 495,282		0
1.600% Senior Unsecured Notes Due May 15, 2031 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	1.60%
Effective interest rate	1.61%
Unamortized debt discount	$ 610
Long-term debt, gross	$ 499,390		0
4.50% Senior Unsecured Notes Due April 15, 2050 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	4.50%	4.50%
Effective interest rate	4.52%
Unamortized debt discount	$ 2,208
Long-term debt, gross	$ 383,291		$ 0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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