NORTHERN ILLINOIS GAS CO /IL/ /NEW/ Increase (Decrease) in Obligation, Other Postretirement Benefits
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ reported Increase (Decrease) in Obligation, Other Postretirement Benefits of $40.00 million for the 12-month period ending 2011-12-31, per its 10-K filed 2012-02-22.
Discontinued › Cash Flow › Operating Activities
us-gaap:IncreaseDecreaseInPostretirementObligations · last filed 2012-02-22
- NORTHERN ILLINOIS GAS CO /IL/ /NEW/ increase (decrease) in obligation, other postretirement benefits for fiscal 2011 was $40.00M, a 29.03% increase from fiscal 2010.
- NORTHERN ILLINOIS GAS CO /IL/ /NEW/ increase (decrease) in obligation, other postretirement benefits for fiscal 2010 was $31.00M, a 675.00% increase from fiscal 2009.
- NORTHERN ILLINOIS GAS CO /IL/ /NEW/ increase (decrease) in obligation, other postretirement benefits for fiscal 2009 was $4.00M.
| Period end | Increase (Decrease) in Obligation, Other Postretirement Benefits 12 month |
|---|---|
| 2011-12-31 | $40.00M 10-K · filed 2012-02-22 |
| 2010-12-31 | $31.00M 10-K · filed 2012-02-22 |
| 2009-12-31 | $4.00M 10-K · filed 2012-02-22 |