Annual report pursuant to Section 13 and 15(d)

Postretirement Health Care and Life Insurance Benefits (Estimated Postretirement Benefit Payments In Future Years) (Details)

v2.4.0.8
Postretirement Health Care and Life Insurance Benefits (Estimated Postretirement Benefit Payments In Future Years) (Details) (USD $)
In Millions, unless otherwise specified
Feb. 01, 2014
Expected Benefit Payments [Member]
 
Expected Benefit  
2014 $ 25
2015 22
2016 20
2017 19
2018 19
2019-2023 80
Expected Federal Subsidy [Member]
 
Expected Federal Subsidy  
2014 1
2015 1
2016 1
2017 1
2018 1
2019-2023 $ 3