DISCONTINUED OPERATIONS - Operations Included in Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2011
Hardwoods:
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax gain (loss) on sale	$ (9)	$ (22)
Date of disposition	Aug. 01, 2011
Westwood Shipping Lines:
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax gain (loss) on sale		$ 49
Date of disposition	Sep. 30, 2011