Taxes on Earnings (Provision For Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Current
Federal									$ 660,017	$ 632,872	$ 497,710
State									52,853	44,333	37,030
Current income taxes									712,870	677,205	534,740
Deferred
Federal									(40,468)	(8,350)	55,404
State									5,565	(353)	954
Deferred income taxes									(34,903)	(8,703)	56,358
Total	$ 140,785	$ 166,220	$ 193,505	$ 177,457	$ 172,470	$ 141,722	$ 173,442	$ 180,868	$ 677,967	$ 668,502	$ 591,098