XML 139 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Interest Expense (Tables)
 12 Months Ended
Dec. 31, 2012
Debt Disclosure [Abstract]  
Interest Expense [Table Text Block]
Interest expense includes interest and amortization of debt discounts, less amounts capitalized, as follows:

(In millions)
2012
 
2011
 
2010
Interest expense before capitalization
$
379

 
$
361

 
$
342

Capitalized interest
(22
)
 
(31
)
 
(26
)
 
$
357

 
$
330

 
$
316