Financing (Detail Of Debt Repayments) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Repayments of Debt	$ 2,039	$ 567	$ 1,101
3.45% senior notes due 2021 [Member]
Repayments of Debt	$ 500	$ 0	$ 0
Debt instrument interest rate, stated percentage	3.45%	3.45%	3.45%
6.9% senior debentures due 2029 [Member]
Repayments of Debt	$ 0	$ 113	$ 204
Debt instrument interest rate, stated percentage	6.90%	6.90%	6.90%
4.5% Senior notes due 2034 [Member]
Repayments of Debt	$ 0	$ 0	$ 183
Debt instrument interest rate, stated percentage	4.50%	4.50%	4.50%
7.0% senior debentures due 2028 [Member]
Repayments of Debt	$ 0	$ 12	$ 182
Debt instrument interest rate, stated percentage	7.00%	7.00%	7.00%
4.375% Senior notes due 2023 [Member]
Repayments of Debt	$ 0	$ 190	$ 0
Debt instrument interest rate, stated percentage	4.375%	4.375%	4.375%
3.875% Senior notes due 2022 [Member]
Repayments of Debt	$ 0	$ 100	$ 0
Debt instrument interest rate, stated percentage	3.875%	3.875%	3.875%
2.875% Senior notes due 2023 [Member]
Repayments of Debt	$ 0	$ 110	$ 0
Debt instrument interest rate, stated percentage	2.875%	2.875%	2.875%
6.65% senior debentures due 2024 [Member]
Repayments of Debt	$ 0	$ 0	$ 175
Debt instrument interest rate, stated percentage	6.65%	6.65%	6.65%
6.7% senior notes due 2028 [Member]
Repayments of Debt	$ 0	$ 0	$ 94
Debt instrument interest rate, stated percentage	6.70%	6.70%	6.70%
6.79% Senior Debentures Due 2027 [Member]
Repayments of Debt	$ 0	$ 0	$ 94
Debt instrument interest rate, stated percentage	6.79%	6.79%	6.79%
6.375% Senior notes due 2037 [Member]
Repayments of Debt	$ 0	$ 0	$ 77
Debt instrument interest rate, stated percentage	6.375%	6.375%	6.375%
6.7% Senior debentures due 2034 [Member]
Repayments of Debt	$ 0	$ 0	$ 63
Debt instrument interest rate, stated percentage	6.70%	6.70%	6.70%
6.9% senior debentures due 2032 [Member]
Repayments of Debt	$ 0	$ 0	$ 15
Debt instrument interest rate, stated percentage	6.90%	6.90%	6.90%
8.75% Senior Debentures Due 2029 [Member]
Repayments of Debt	$ 0	$ 0	$ 5
Debt instrument interest rate, stated percentage	8.75%	8.75%	8.75%
7.875% Senior Debentures Due 2030 [Member]
Repayments of Debt	$ 0	$ 0	$ 2
Debt instrument interest rate, stated percentage	7.875%	7.875%	7.875%
8.5% Senior Debentures Due 2019 [Member]
Repayments of Debt	$ 0	$ 36	$ 0
Debt instrument interest rate, stated percentage	8.50%	8.50%	8.50%
9.5% Amortizing Debentures Due 2021 [Member]
Repayments of Debt	$ 4	$ 4	$ 4
Debt instrument interest rate, stated percentage	9.50%	9.50%	9.50%
9.75% Amortizing Debentures Due 2021 [Member]
Repayments of Debt	$ 2	$ 2	$ 2
Debt instrument interest rate, stated percentage	9.75%	9.75%	9.75%
Revolving Credit Facility [Member]
Repayments of Debt	$ 1,500	$ 0	$ 0
10.25% Senior Debentures Due 2021 [Member]
Repayments of Debt	$ 33	$ 0	$ 0
Debt instrument interest rate, stated percentage	10.25%	10.25%	10.25%
Other Obligations [Member]
Repayments of Debt	$ 0	$ 0	$ 1