Income Taxes (Details 4) (USD $)
In Millions, unless otherwise specified |
6 Months Ended |
---|---|
Jun. 30, 2014
|
|
Qualified and Non-qualified Pension Benefits
|
|
Benefit Plan Information | |
Company contributions | $ 74 |
Postretirement Benefits
|
|
Benefit Plan Information | |
Company contributions | $ 3 |