Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Estimated Supplementary Retirement Plan Benefit Payments) (Details)

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Retirement Plans (Estimated Supplementary Retirement Plan Benefit Payments) (Details) (Supplementary Retirement Plan [Member], USD $)
In Millions, unless otherwise specified
Feb. 02, 2013
Supplementary Retirement Plan [Member]
 
2013 $ 58
2014 61
2015 61
2016 64
2017 58
2018-2022 $ 262