Restatement (Narrative) (Details) (USD $) In Millions	12 Months Ended
Jan. 29, 2011	Feb. 02, 2008
Restatement
Reversal of cumulative net income correction	$ 31
Cumulative effect of restatement on retained earnings		$ 212

Name:

kss_CumulativeEffectOfRestatementOnRetainedEarnings

Namespace Prefix:

kss

Data Type:

xbrli:monetaryItemType

Balance Type:

credit

Period Type:

duration