Debt (Narrative) (Details)	1 Months Ended
	Feb. 28, 2022 USD ($) renewal_option	Mar. 31, 2020 USD ($)	Jan. 28, 2023 USD ($) note	Jan. 31, 2022 USD ($)	Jan. 29, 2022 USD ($)
Debt Instrument [Line Items]
Collateral trust			$ 57,800,000		$ 56,700,000
Standby Letters of Credit
Debt Instrument [Line Items]
Letters of credit, outstanding			2,600,000		3,300,000
Senior Notes
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs			$ 18,500,000		22,700,000
Number of series notes | note			7
Senior Notes | Level 1
Debt Instrument [Line Items]
Unsecured senior notes estimated fair value			$ 2,300,000,000		2,600,000,000
Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity for revolving credit facility				$ 800,000,000
Amount borrowed from revolving credit facility		$ 800,000,000
Current interest rate for revolving credit facility borrowings (percent)		1.76%
Unsecured Revolving Credit Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate, margin in addition to LIBOR (percent)		0.875%
Senior Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity for revolving credit facility			1,300,000,000
Number of renewal options (up to) | renewal_option	2
Renewal option, term	1 year
Option to increase credit facility, additional amount (up to)	$ 700,000,000
Amount outstanding under the revolving credit facility			0
Senior Unsecured Revolving Credit Facility | Standby Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity for revolving credit facility	$ 300,000,000
Amount outstanding under the revolving credit facility			0
Trade Letters of Credit
Debt Instrument [Line Items]
Letters of credit, outstanding			$ 7,600,000		$ 19,300,000