Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details)

v2.4.1.9
Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
May 02, 2015
May 03, 2014
Long-term debt $ 8,020us-gaap_LongTermDebt $ 7,797us-gaap_LongTermDebt
Carrying Amount    
Long-term debt 7,231us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
7,145us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
Notional Amount    
Long-term debt $ 7,070us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember
$ 6,973us-gaap_LongTermDebt
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember