Defined Benefit Plans [Domain]
Pension Plans, Defined Benefit [Member]
2006-01-29 - 2007-02-032005-01-30 - 2006-01-282004-02-01 - 2005-01-29
Defined Benefit Plan Disclosure [Line Items]Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Defined Benefit Plan, Service Cost83,000,00067,000,00079,000,000
Defined Benefit Plan, Interest Cost93,000,00087,000,00084,000,000
Defined Benefit Plan, Expected Return on Plan Assets141,000,000137,000,000122,000,000
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments1,000,000
Defined Benefit Plan, Amortization of Gains (Losses)(47,000,000)(43,000,000)(36,000,000)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)(5,000,000)(5,000,000)(7,000,000)
Defined Benefit Plan, Net Periodic Benefit Cost77,000,00055,000,00071,000,000