DISCONTINUED OPERATIONS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Operating Profit (Loss) Before Taxes													$ (33)		$ 36		$ 59
Income Tax Expense													(12)		13		22
Income (Loss) from Discontinued Operations	(2.1)	[1]	(9.7)	[1]	(5.4)	[1]	(3.5)	[1]	1.4	0	6.8	14.5	(21.0)		23.0		37.0
Basic Earnings Per Share (in dollars per share)													$ (0.50)		$ 0.55		$ 0.89
Diluted Earnings Per Share (in dollars per share)													$ (0.50)		$ 0.55		$ 0.89
Real Estate Sales Revenue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Revenue													46		117		110
Total Operating Profit (Loss) Before Taxes													23	[2]	49	[2]	44	[2]
Real Estate Leasing Revenue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Revenue													2		10		27
Total Operating Profit (Loss) Before Taxes													1		6		15
CLX2 Revenue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total Revenue													93		28		0
Total Operating Profit (Loss) Before Taxes													$ (57)		$ (19)		$ 0

[1] See Note 2 for discussion of discontinued operations.

[2] Represents the gain on sale of income producing properties that are classified as discontinued operations.