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Pension And Post-Retirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Components Of The Net Periodic Benefit Costs
The components of net periodic benefit cost for the three months ended September 30, 2012 and 2011 are as follows:
 
 
Pension Plans
 
Post-Retirement
Medical  Benefit Plans
 
United States
 
International
 
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
Service cost
$
3

 
$
2

 
$
2

 
$
2

 
$
—

 
$
—

Interest cost
1

 
2

 
2

 
1

 
1

 
1

Expected return on plan assets
(3
)
 
(3
)
 
(2
)
 
(2
)
 
—

 
—

Amortization
2

 
1

 
1

 
1

 
—

 
—

Net periodic benefit cost
$
3

 
$
2

 
$
3

 
$
2

 
$
1

 
$
1

The components of net periodic benefit cost for the nine months ended September 30, 2012 and 2011 are as follows:

 
Pension Plans
 
Post-Retirement
Medical  Benefit Plans
 
United States
 
International
 
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
Service cost
$
7

 
$
6

 
$
6

 
$
6

 
$
1

 
$
1

Interest cost
5

 
6

 
7

 
6

 
2

 
2

Expected return on plan assets
(8
)
 
(8
)
 
(7
)
 
(7
)
 
—

 
—

Amortization
4

 
3

 
3

 
2

 
(1
)
 
(1
)
Net periodic benefit cost
$
8

 
$
7

 
$
9

 
$
7

 
$
2

 
$
2
Pension And Post-Retirement Benefits And Liabilities
 
Pension Plans
 
Post-Retirement
Medical  Benefit Plans
 
United States
 
International
 
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
Service cost
$
7

 
$
6

 
$
6

 
$
6

 
$
1

 
$
1

Interest cost
5

 
6

 
7

 
6

 
2

 
2

Expected return on plan assets
(8
)
 
(8
)
 
(7
)
 
(7
)
 
—

 
—

Amortization
4

 
3

 
3

 
2

 
(1
)
 
(1
)
Net periodic benefit cost
$
8

 
$
7

 
$
9

 
$
7

 
$
2

 
$
2


Pension and post-retirement benefits liabilities consisted of the following as of the date noted: