Annual report pursuant to Section 13 and 15(d)

Retirement Benefits Plans (Estimated Future Benefit Payments) (Details)

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Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) (USD $)
In Millions, unless otherwise specified
Feb. 01, 2014
Primary Pension Plan
 
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]  
2014 $ 342
2015 331
2016 330
2017 330
2018 331
2019-2023 1,652
Supplemental Pension Plans
 
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]  
2014 44
2015 48
2016 42
2017 20
2018 13
2019-2023 64
Other Postretirement Benefit Plan, Defined Benefit [Member]
 
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]  
2014 2
2015 2
2016 2
2017 2
2018 2
2019-2023 $ 6