Financing - Company Debt (Details) - USD ($) $ in Millions	Jan. 31, 2026	Jul. 29, 2025	Feb. 01, 2025	Feb. 03, 2024
Debt Instrument [Line Items]
Unamortized debt issue costs and discount	$ (19)		$ (20)
Premium on acquired debt, using an effect interest yield	10		14
Long-Term Debt	2,432		2,773
Short-term debt	$ 0		$ 6
Minimum
Debt Instrument [Line Items]
Debt instrument interest rate, effective percentage	6.021%		6.021%
Maximum
Debt Instrument [Line Items]
Debt instrument interest rate, effective percentage	7.654%		7.654%
5.875% Senior notes due 2029
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 326
Debt instrument interest rate, stated percentage	5.875%		5.875%	5.875%
5.875% Senior notes due 2030
Debt Instrument [Line Items]
Long-term debt, gross	$ 201		$ 425
Debt instrument interest rate, stated percentage	5.875%		5.875%
6.125% Senior notes due 2032
Debt Instrument [Line Items]
Long-term debt, gross	$ 425		$ 425
Debt instrument interest rate, stated percentage	6.125%		6.125%
4.50% Senior notes due 2034
Debt Instrument [Line Items]
Long-term debt, gross	$ 367		$ 367
Debt instrument interest rate, stated percentage	4.50%		4.50%
5.125% Senior notes due 2042
Debt Instrument [Line Items]
Long-term debt, gross	$ 250		$ 250
Debt instrument interest rate, stated percentage	5.125%		5.125%
4.30% Senior notes due 2043
Debt Instrument [Line Items]
Long-term debt, gross	$ 250		$ 250
Debt instrument interest rate, stated percentage	4.30%		4.30%
6.375% Senior notes due 2037
Debt Instrument [Line Items]
Long-term debt, gross	$ 192		$ 192
Debt instrument interest rate, stated percentage	6.375%		6.375%
6.70% Senior exchanged debentures due 2034
Debt Instrument [Line Items]
Long-term debt, gross	$ 181		$ 181
Debt instrument interest rate, stated percentage	6.70%		6.70%
7.00% Senior debentures due 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 94
Debt instrument interest rate, stated percentage	7.00%		7.00%	7.00%
6.90% Senior debentures due 2029
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 72
Debt instrument interest rate, stated percentage	6.90%		6.90%	6.90%
6.70% Senior exchanged debentures due 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 54
Debt instrument interest rate, stated percentage	6.70%		6.70%	6.70%
6.79% Senior debentures due 2027
Debt Instrument [Line Items]
Long-term debt, gross	$ 34		$ 61
Debt instrument interest rate, stated percentage	6.79%		6.79%	6.79%
6.70% Senior debentures due 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 28
Debt instrument interest rate, stated percentage	6.70%		6.70%
6.70% Senior debentures due 2034
Debt Instrument [Line Items]
Long-term debt, gross	$ 18		$ 18
Debt instrument interest rate, stated percentage	6.70%		6.70%
8.75% Senior exchanged debentures due 2029
Debt Instrument [Line Items]
Long-term debt, gross	$ 0		$ 13
Debt instrument interest rate, stated percentage	8.75%		8.75%	8.75%
6.90% Senior debentures due 2032
Debt Instrument [Line Items]
Long-term debt, gross	$ 12		$ 12
Debt instrument interest rate, stated percentage	6.90%		6.90%
7.875% Senior exchanged debentures due 2030
Debt Instrument [Line Items]
Long-term debt, gross	$ 5		$ 5
Debt instrument interest rate, stated percentage	7.875%		7.875%
7.875% Senior debentures due 2030
Debt Instrument [Line Items]
Long-term debt, gross	$ 5		$ 5
Debt instrument interest rate, stated percentage	7.875%		7.875%
Six Point Nine Senior Secured Debentures Due Two Thousand Thirty Two [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 1		$ 1
Debt instrument interest rate, stated percentage	6.90%		6.90%
Seven Point Three Seven Five Percent Senior Notes Due Two Thousand Thirty Three
Debt Instrument [Line Items]
Long-term debt, gross	$ 500		$ 0
Debt instrument interest rate, stated percentage	7.875%	7.375%	7.875%
Seven Point Six Percent Senior Debentures Due Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Debt instrument interest rate, stated percentage	7.60%		7.60%	7.60%
Seven Point Six Percent Senior Debentures Due Two Thousand Twenty Five [Member] | Current Portion Of Other Long Term Obligations [Member]
Debt Instrument [Line Items]
Short-term debt	$ 0		$ 6
Debt instrument interest rate, stated percentage	7.60%		7.60%