|
Pension and Postretirement Expense Level 4 (Details) - U.S. Pension Plan Investments Measured at Fair Value (United States Pension Plans of US Entity, Defined Benefit [Member], USD $)
In Millions, unless otherwise specified
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Large Cap Equity Funds |
$ 36 |
$ 44 |
| Small mid Cap Equity Funds |
6 |
7 |
| Other International Equity |
27 |
33 |
| Debt Securities Fixed Income |
133 |
125 |
| Cash, Money Market and Other |
28 |
31 |
| Fair value of plan assets at end of year |
230 |
240 |
|
Fair Value, Inputs, Level 1 [Member]
|
|
|
| Large Cap Equity Funds |
0 |
0 |
| Small mid Cap Equity Funds |
0 |
0 |
| Other International Equity |
0 |
0 |
| Debt Securities Fixed Income |
0 |
0 |
| Cash, Money Market and Other |
0 |
0 |
| Fair value of plan assets at end of year |
0 |
0 |
|
Fair Value, Inputs, Level 2 [Member]
|
|
|
| Large Cap Equity Funds |
36 |
44 |
| Small mid Cap Equity Funds |
6 |
7 |
| Other International Equity |
27 |
33 |
| Debt Securities Fixed Income |
133 |
125 |
| Cash, Money Market and Other |
28 |
31 |
| Fair value of plan assets at end of year |
230 |
240 |
|
Fair Value, Inputs, Level 3 [Member]
|
|
|
| Large Cap Equity Funds |
0 |
0 |
| Small mid Cap Equity Funds |
0 |
0 |
| Other International Equity |
0 |
0 |
| Debt Securities Fixed Income |
0 |
0 |
| Cash, Money Market and Other |
0 |
0 |
| Fair value of plan assets at end of year |
$ 0 |
$ 0 |