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Other Assets And Liabilities (Other Assets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Other Assets And Liabilities [Abstract]
Other investments	$ 19	$ 16
Cash value of life insurance policies	32	29
Deferred taxes	15	17
Long Term Certificates of Deposit	31	0
Other non-current assets	27	27
Total other assets	$ 124	$ 89

Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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