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Accumulated Other Comprehensive Loss
 12 Months Ended
Dec. 31, 2012
Statement of Other Comprehensive Income [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss
The components of Accumulated Other Comprehensive Loss follow:

(In millions)
2012
 
2011
Foreign currency translation adjustment
$
(538
)
 
$
(594
)
Unrecognized net actuarial losses and prior service costs
(4,044
)
 
(3,430
)
Deferred derivative gain (loss)
(4
)
 
7

Unrealized investment gains
26

 
26

Total Accumulated Other Comprehensive Loss
$
(4,560
)
 
$
(3,991
)