|
Restructuring Level 4 (Details) - Restructuring by Type (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
|
| Restructuring Cost and Reserve [Line Items] | ||
| Cumulative restructuring costs, Incurred to Date | $ 13 | |
| Restructuring Reserve [Roll Forward] | ||
| Accrued liability, Beginning Balance | 0 | |
| Restructuring charges | 13 | 13 |
| Payments | (1) | |
| Accrued liability, Ending Balance | 12 | 0 |
| Workforce reductions [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring costs expected to be incurred | 19 | |
| Cumulative restructuring costs, Incurred to Date | 13 | |
| Restructuring Reserve [Roll Forward] | ||
| Accrued liability, Beginning Balance | 0 | |
| Restructuring charges | 13 | |
| Payments | (1) | |
| Accrued liability, Ending Balance | $ 12 | |