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Stock-based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Nov. 02, 2025	Oct. 27, 2024	Aug. 03, 2025
Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	48.00%	100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Nonvested, Units	549
Nonvested, Weighted-Average Grant-Date Fair Value	$ 44.35
Performance Restricted Stock Units [Member] \| Minimum [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%
Performance Restricted Stock Units [Member] \| Maximum [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	200.00%
Time Lapse, Performance, and Replacement Restricted Stock Units [Member]
Stock-based Compensation
Remaining unearned compensation on nonvested awards	$ 75
Weighted-average remaining service period, years	2 years 1 month 6 days
Nonvested, Units	3,516		2,935
Fair value of restricted units and shares vested	$ 31	$ 59
Granted, Weighted-Average Grant-Date Fair Value	$ 31.89	$ 48.36
Nonvested, Weighted-Average Grant-Date Fair Value	$ 38.08		$ 44.98
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,805
TSR Performance Restricted Stock/Units and Performance Restricted Stock/Units Subject to a TSR Modifier [Member]
Stock-based Compensation
Remaining unearned compensation on nonvested awards	$ 36
Weighted-average remaining service period, years	2 years 1 month 6 days
Nonvested, Units	1,643		809
Fair value of restricted units and shares vested	$ 4	$ 23
Granted, Weighted-Average Grant-Date Fair Value	$ 34.12	$ 47.33
Nonvested, Weighted-Average Grant-Date Fair Value	$ 37.57		$ 47.20
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,096
TSR Performance Restricted Stock Units Additional Shares [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		199
Performance Restricted Stock Units Subject to TSR Modifier \| Minimum [Member]
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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%
Performance Restricted Stock Units Subject to TSR Modifier \| Maximum [Member]
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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	250.00%
TSR Performance Restricted Stock Units
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	50.00%	175.00%