Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Summary Of Changes In Fair Value Of Pension Plan Level 3 Assets) (Details)

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Retirement Plans (Summary Of Changes In Fair Value Of Pension Plan Level 3 Assets) (Details) (Pension Plan [Member], Significant Unobservable Inputs (Level 3) [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Pension Plan [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Fair value of plan assets, beginning of year $ 594 $ 533
Actual gain (loss) on plan assets:    
Relating to assets still held at the reporting date 1 7
Relating to assets sold during the period 48 23
Purchases 77 71
Sales (172) (40)
Fair value of plan assets, end of year $ 548 $ 594