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Note 13 - Retirement Plans And Other Postretirement Benefits (Detail) - Pension (Income) Expense From Continuing Operations For All Defined Benefit Plans (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Total net postretirement benefit (income) expense	$ (26)	$ 2
Postretirement Benefit Plan [Member]
Interest cost	1	13
Prior service credit	(28)	(19)
Recognized net actuarial loss	$ 1	$ 8

- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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