|
In Millions |
|||||||
|
Years Ended December 31 |
2013 | 2012 | |||||
|
Consumers |
|||||||
|
Balance at beginning of period |
$ |
285 |
$ |
280 | |||
|
Additions |
12 | 9 | |||||
|
Net retirements and other adjustments |
(6) | (4) | |||||
|
Balance at end of period |
$ |
291 |
$ |
285 | |||