Long-term Debt and Borrowing Facilities (Schedule Of Long-term Debt Instruments) (Details) - USD ($)	Aug. 01, 2020	Feb. 01, 2020	Aug. 03, 2019
Debt, Current	$ (460,000,000)	$ (61,000,000)	$ (75,000,000)
Debt, Long-term and Short-term, Combined Amount	6,729,000,000	5,548,000,000	5,550,000,000
Total Long-term Debt, Net of Current Portion	6,269,000,000	5,487,000,000	5,475,000,000
Revolving Credit Expiring August 2024 [Member]
Line of Credit	0
With Subsidiary Guarantee [Member]
Debt, Long-term and Short-term, Combined Amount	840,000,000	103,000,000	95,000,000
With Subsidiary Guarantee [Member] | 6.875% Fixed Interest Rate Secured Notes due July 2025 [Member]
Notes Payable, Noncurrent	739,000,000	0	0
With Subsidiary Guarantee [Member] | Fixed Rate 6.875% Notes Due November 2035 [Member]
Notes Payable, Noncurrent	991,000,000	991,000,000	990,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 5.625 Percent Notes Due February 2022 [Member]
Notes Payable, Noncurrent	858,000,000	858,000,000	857,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 6.625 Percent Notes Due April 2021 [Member]
Notes Payable, Noncurrent	450,000,000	450,000,000	449,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 5.625% Notes Due October 2023 [Member]
Notes Payable, Noncurrent	498,000,000	498,000,000	498,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 5.25% Notes Due February 2028 [Member]
Notes Payable, Noncurrent	496,000,000	496,000,000	496,000,000
With Subsidiary Guarantee [Member] | 9.375% Fixed Interest Rate Notes due July 2025 [Member]
Notes Payable, Noncurrent	492,000,000	0	0
With Subsidiary Guarantee [Member] | Fixed Rate 7.5% Notes Due June 2029 [Member]
Notes Payable, Noncurrent	488,000,000	487,000,000	486,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 6.694% Notes Due January 2027 [Member]
Notes Payable, Noncurrent	277,000,000	276,000,000	274,000,000
With Subsidiary Guarantee [Member] | Senior Debt Obligations [Member]
Debt, Long-term and Short-term, Combined Amount	5,243,000,000	4,749,000,000	4,743,000,000
With Subsidiary Guarantee [Member] | Foreign Facilities with Parent Guarantee [Member]
Line of Credit	101,000,000	103,000,000	95,000,000
With Subsidiary Guarantee [Member] | Fixed Rate 6.75% Notes Due July 2036 [Member]
Notes Payable, Noncurrent	693,000,000	693,000,000	693,000,000
Without Subsidiary Guarantee [Member]
Debt, Long-term and Short-term, Combined Amount	646,000,000	696,000,000	712,000,000
Without Subsidiary Guarantee [Member] | Foreign Facilities with Parent Guarantee [Member]
Line of Credit	0	50,000,000	67,000,000
Without Subsidiary Guarantee [Member] | Fixed Rate 6.95% Debentures Due March 2033 [Member]
Notes Payable, Noncurrent	348,000,000	348,000,000	348,000,000
Without Subsidiary Guarantee [Member] | Fixed Rate 7.60% Notes Due July 2037 [Member]
Notes Payable, Noncurrent	$ 298,000,000	$ 298,000,000	$ 297,000,000