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PENSIONS AND OTHER POSTRETIREMENT BENEFITS PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Net Benefit Costs) (Tables)
 12 Months Ended
Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Net Benefit Costs [Table Text Block]
Components of Net Periodic Benefit Cost
 
(In Millions)
 
Pension Benefits
 
Other Benefits
 
2013
 
2012
 
2011
 
2013
 
2012
 
2011
Service cost
$
38.9

 
$
32.0

 
$
23.6

 
$
12.3

 
$
14.7

 
$
11.1

Interest cost
45.9

 
48.4

 
51.4

 
17.3

 
20.6

 
22.3

Expected return on plan assets
(65.6
)
 
(59.5
)
 
(61.2
)
 
(20.1
)
 
(17.7
)
 
(16.1
)
Amortization:

 

 

 

 

 

Net asset
—

 
—

 
—

 
—

 
(3.0
)
 
(3.0
)
Prior service costs (credits)
3.0

 
3.9

 
4.4

 
(3.6
)
 
1.9

 
3.7

Net actuarial gains
29.9

 
30.4

 
19.6

 
11.5

 
11.6

 
8.8

Net periodic benefit cost
$
52.1

 
$
55.2

 
$
37.8

 
$
17.4

 
$
28.1

 
$
26.8

Acquired through business combinations
—

 
—

 
—

 
—

 
—

 
—

Current year actuarial (gain)/loss
(168.8
)
 
53.1

 
165.3

 
(95.2
)
 
3.2

 
46.8

Amortization of net loss
(29.9
)
 
(30.4
)
 
(19.6
)
 
(11.5
)
 
(11.6
)
 
(8.8
)
Current year prior service cost
0.8

 
2.8

 
—

 
—

 
(58.3
)
 
—

Amortization of prior service (cost) credit
(3.0
)
 
(3.9
)
 
(4.4
)
 
3.6

 
(1.9
)
 
(3.7
)
Amortization of transition asset
—

 
—

 
—

 
—

 
3.0

 
3.0

Total recognized in other comprehensive income
$
(200.9
)
 
$
21.6

 
$
141.3

 
$
(103.1
)
 
$
(65.6
)
 
$
37.3

Total recognized in net periodic cost and other
    comprehensive income
$
(148.8
)
 
$
76.8

 
$
179.1

 
$
(85.7
)
 
$
(37.5
)
 
$
64.1