XML 92 R80.htm IDEA: XBRL DOCUMENT

Postemployment Benefits Assumed Health Care Cost Trends (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care trend rate for next year	8.00%	8.50%	9.00%
Ultimate trend rate	5.00%	5.00%	5.00%
Year that rate reaches ultimate rate	2029	2020	2020

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

+ References+ Details