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Consolidated Statement Of Comprehensive Income (Parenthetical) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statement Of Comprehensive Income
Pension plan liability adjustments, net of taxes of $1 and $3 in 2011 and $1 and $3 in 2010, respectively	$ 1	$ 1	$ 3	$ 3

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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