XML 48 R5.htm IDEA: XBRL DOCUMENT

CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEET
Plant, property and equipment, accumulated depreciation	$ 153	$ 150

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details