| ($ in millions) |
2013 | 2012 | 2011 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Balance — beginning of year |
$ | 25 | $ | 25 | $ | 25 | ||||
|
Increase for tax positions taken in a prior year |
1 | — | — | |||||||
|
Decrease for tax positions taken in a prior year |
— | — | — | |||||||
|
Increase for tax positions taken in the current year |
— | — | — | |||||||
|
Decrease for tax positions taken in the current year |
— | — | — | |||||||
|
(Decrease) increase for settlements |
(26 | ) | — | — | ||||||
|
Reductions due to lapse of statute of limitations |
— | — | — | |||||||
| | | | | | | | | | | |
|
Balance — end of year |
$ | — | $ | 25 | $ | 25 | ||||
| | | | | | | | | | | |
| | | | | | | | | | | |