Defined Benefit Plans [Domain]
2006-01-29 - 2007-02-032005-01-30 - 2006-01-28
Defined Benefit Plan Disclosure [Line Items]Defined Benefit Plan, Accumulated Benefit Obligation1,674,000,0001,534,000,000
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation51,000,00046,000,000
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation44,000,00041,000,000
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets2,000,0003,000,000