INCOME TAXES - Items Excluded from Effective Income Tax Rates (Detail) (USD $) In Millions	3 Months Ended
	Mar. 31, 2011 Income taxes on a non-strategic timberlands gain discussed in Note 6	Jun. 30, 2011 Tax benefit on early extinguishment of debt discussed in Note 9	Mar. 31, 2010 Medicare Part D subsidy charge	Mar. 31, 2010 State tax law and rate changes charge
Income Taxes [Line Items]
Income tax credit (charge) that is excluded from the companys effective income tax rate	$ (56)	$ 10	$ (28)	$ (3)