Taxes On Earnings (Narrative) (Details) (USD $)	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Income Tax Contingency [Line Items]
Realized tax benefits related to employee equity programs	$ 29,759,000	$ 27,661,000	$ 29,989,000
Reserves for unrecognized tax benefits	101,696,000	104,944,000	82,500,000
Interest related to the reserve for unrecognized tax benefits	23,600,000	24,600,000	16,800,000
Impact of recognizing taxes and interest related to unrecognized tax benefits	51,000,000
Unrecognized tax benefits reduction resulting from lapse of applicable statute of limitations	6,300,000
Internal Revenue Service [Member] | Earliest [Member]
Income Tax Contingency [Line Items]
Open tax year	2011
Internal Revenue Service [Member] | Latest [Member]
Income Tax Contingency [Line Items]
Open tax year	2014
State [Member]
Income Tax Contingency [Line Items]
Tax credit carryforward	$ 12,100,000	$ 11,000,000
State [Member] | Earliest [Member]
Income Tax Contingency [Line Items]
Open tax year	2010
State [Member] | Latest [Member]
Income Tax Contingency [Line Items]
Open tax year	2014