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PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Capitalized Computer Software, Net	$ 34
Capitalized Computer Software, Accumulated Amortization	51
Capitalized Computer Software, Amortization	7	7
Contributions in Aid of Construction	49
Finite-Lived Intangible Assets, Accumulated Amortization	5
Depreciation, Depletion and Amortization	$ 2	$ 2

For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.