Earnings (Loss) Per Share (Computation Of Basic and Diluted Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) and average number of shares outstanding	$ 1,177	$ 1,430	$ (3,944)
Net income (loss) available to common stockholders, basic	$ 1,177	$ 1,430	$ (3,944)
Basic earnings (loss) per share (in dollars per share)	$ 4.28	$ 4.66	$ (12.68)
Net income (loss) available to common stockholders, diluted	$ 1,177	$ 1,430	$ (3,944)
Diluted earnings (loss) per share (in dollars per share)	$ 4.19	$ 4.55	$ (12.68)
Weighted average number of shares issued, basic (in shares)	273.7	305.8	310.2
Shares to be issued under deferred compensation and other plans (in shares)	1.0	1.0	1.0
Average number of shares outstanding, basic (in shares)	274.7	306.8	311.1
Stock options and restricted stock units (in shares)	6.4	7.2	0.0
Average number of shares outstanding, diluted (in shares)	281.1	314.0	311.1