Annual report pursuant to Section 13 and 15(d)

Supplemental Disclosures to Consolidated Statements of Cash Flows (Tables)

v2.4.0.6
Supplemental Disclosures to Consolidated Statements of Cash Flows (Tables)
12 Months Ended
Dec. 31, 2011
Supplemental Disclosures to Consolidated Statements of Cash Flows [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
 
Years ended
December 31,
 
2011
 
2010
 
2009
 
amounts in millions
Cash paid for interest
$
12

 
66

 
140

 
 
 
 
 
 
Cash paid (received) for income taxes
$
193

 
161

 
(44
)