Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss (Activity Associated With Accumulated Other Comprehensive Loss) (Detail)

 v2.3.0.11
Accumulated Other Comprehensive Loss (Activity Associated With Accumulated Other Comprehensive Loss) (Detail) (USD $)
In Millions
3 Months Ended
Apr. 30, 2011
May 01, 2010
Accumulated Other Comprehensive Loss    
Accumulated other comprehensive loss, at beginning of period $ (730) $ (753)
Unrealized loss on marketable equity securities, net of income tax effect of $1 million and $1 million (2) (2)
Reclassification of realized gain on marketable equity securities to net income, net of income tax effect of $4 million (8) 0
Post employment and postretirement benefit plans:    
Recognition of net actuarial (gain) loss, net of income tax effect of $9 million and $6 million 13 9
Prior service cost, net of income tax effect 0 0
Accumulated other comprehensive loss, at end of period $ (727) $ (746)