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Annual report pursuant to Section 13 and 15(d)

Assets And Liabilities Measured At Fair Value (Tables)

v2.4.0.6
Assets And Liabilities Measured At Fair Value (Tables)
12 Months Ended
Dec. 31, 2011
Assets And Liabilities Measured At Fair Value Ìý
Assets And Liabilities Measured At Fair Value On A Recurring Basis
Ìý
December 31, 2011
Ìý
December 31, 2010
Description
Total
Ìý
Quoted prices
in active markets
for identical assets
(LevelÌý1)
Ìý
Significant other
observable
inputs
(LevelÌý2)
Ìý
Significant
unobservable
inputs
(LevelÌý3)
Ìý
Total
Ìý
Quoted prices
in active markets
for identical assets
(LevelÌý1)
Ìý
Significant other
observable
inputs
(LevelÌý2)
Ìý
Significant
unobservable
inputs
(LevelÌý3)
Ìý
Ìýamounts in millions
Short term marketable securities
$
46

Ìý
—

Ìý
46

Ìý
—

Ìý
—

Ìý
—

Ìý
—

Ìý
—

Available-for-sale securities
$
1,165

Ìý
1,165

Ìý
—

Ìý
—

Ìý
1,109

Ìý
1,109

Ìý
—

Ìý
—

Financial instruments
$
61

Ìý
—

Ìý
61

Ìý
—

Ìý
128

Ìý
—

Ìý
128

Ìý
—

Debt
$
2,443

Ìý
—

Ìý
2,443

Ìý
—

Ìý
2,506

Ìý
—

Ìý
2,506

Ìý
—

Unrealized Gain (Loss) on Investments [Table Text Block]
Realized and unrealized gains (losses) on financial instruments are comprised of changes in the fair value of the following:
Ìý
Ìý
Years ended December 31,
Ìý
Ìý
2011
Ìý
2010
Ìý
2009
Ìý
amounts in millions
Non-strategic Securities
Ìý
$
55

Ìý
202

Ìý
238

Exchangeable senior debentures
Ìý
(46
)
Ìý
(257
)
Ìý
(856
)
Other
Ìý
75

Ìý
117

Ìý
29

Ìý
Ìý
$
84

Ìý
62

Ìý
(589
)