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Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The tables below present the components of the Company's accumulated other comprehensive income (loss), net of tax ("AOCI") (in millions):
 

 
Pension and Other Postretirement Liabilities

Investments and Other

Deferred Taxes

Total
 
 
Balance at December 31, 2019
 
$
(560
)
 
$
2

 
$
(160
)
 
$
(718
)
 
Changes in value
 
(49
)
 
(16
)
 
15

 
(50
)
 
Amounts reclassified to earnings
 
(4
)
(a)
—

 
1

 
(3
)
 
Balance at March 31, 2020
 
$
(613
)

$
(14
)

$
(144
)

$
(771
)
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2018
 
$
(663
)
 
$
(4
)
 
$
(136
)
 
$
(803
)
 
Changes in value
 
5

 
5

 
(3
)
 
7

 
Amounts reclassified to earnings
 
4

(a)
—

 
(1
)
 
3

 
Balance at March 31, 2019
 
$
(654
)
 
$
1

 
$
(140
)
 
$
(793
)

(a) This AOCI component is included in the computation of net periodic pension and other postretirement costs (See Note 6 to the financial statements included in Part I, Item 1 for additional information).