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CUMULATIVE OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
 9 Months Ended
Sep. 30, 2017
Items included in cumulative other comprehensive income (loss)
Changes in amounts included in our cumulative other comprehensive income (loss) by component are:
 
 
PENSION
 
OTHER POSTRETIREMENT BENEFITS
 
 
DOLLAR AMOUNTS IN MILLIONS
Foreign currency translation adjustments
Actuarial losses
Prior service costs
 
Actuarial losses
Prior service credits
Unrealized gains on available-for-sale securities
Total
Beginning balance as of December 31, 2016
$
232

$
(1,651
)
$
(9
)
 
$
(67
)
$
29

$
7

$
(1,459
)
Other comprehensive income (loss) before reclassifications
35

1

(3
)
 
—

—

2

35

Income taxes
—

(10
)
1

 
—

—

—

(9
)
Net other comprehensive income (loss) before reclassifications
35

(9
)
(2
)
 
—

—

2

26

Amounts reclassified from cumulative other comprehensive income (loss)(1)
—

145

3

 
6

(6
)
—

148

Income taxes
—

(49
)
(1
)
 
(3
)
1

—

(52
)
Net amounts reclassified from cumulative other comprehensive income (loss)
—

96

2

 
3

(5
)
—

96

Total other comprehensive income (loss)
35

87

—

 
3

(5
)
2

122

Ending balance as of September 30, 2017
$
267

$
(1,564
)
$
(9
)
 
$
(64
)
$
24

$
9

$
(1,337
)

(1) Actuarial losses and prior service credits (cost) are components of net periodic benefit costs (credits). See Note 8: Pension and Other Postretirement Benefit Plans.