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POLICY LIABILITIES (Tables)
6 Months Ended
Jun. 30, 2019
Insurance Loss Reserves [Abstract]  
Schedule of Liability for Unpaid Claims Adjustment Expense

Changes in the liability for unpaid policy claims were as follows:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
(In millions)
 
2019
 
2018
 
 
 
2019
 
2018
 
 
Unpaid supplemental health claims, beginning of period
 
$
3,967

 
$
4,041

 
 
 
$
3,952

 
$
3,881

 
 
Less reinsurance recoverables
 
29

 
31

 
 
 
28

 
28

 
 
Net balance, beginning of period
 
3,938

 
4,010

 
 
 
3,924

 
3,853

 
 
Add claims incurred during the period related to:
 
 
 
 
 
 
 
 
 
 
 
 
Current year
 
1,785

 
1,779

 
 
 
3,610

 
3,621

 
 
Prior years
 
(136
)
 
(133
)
 
 
 
(303
)
 
(325
)
 
 
Total incurred
 
1,649

 
1,646

 
 
 
3,307

 
3,296

 
 
Less claims paid during the period on claims incurred during:
 
 
 
 
 
 
 
 
 
 
 
 
Current year
 
1,229

 
1,226

 
 
 
1,735

 
1,746

 
 
Prior years
 
430

 
426

 
 
 
1,568

 
1,540

 
 
Total paid
 
1,659

 
1,652

 
 
 
3,303

 
3,286

 
 
Effect of foreign exchange rate changes on unpaid claims
 
65

 
(91
)
 
 
 
65

 
50

 
 
Net balance, end of period
 
3,993

 
3,913

 
 
 
3,993

 
3,913

 
 
Add reinsurance recoverables
 
31

 
29

 
 
 
31

 
29

 
 
Unpaid supplemental health claims, end of period
 
4,024

 
3,942

 
 
 
4,024

 
3,942

 
 
Unpaid life claims, end of period
 
682

 
582

 
 
 
682

 
582

 
 
Total liability for unpaid policy claims
 
$
4,706

 
$
4,524

 
 
 
$
4,706

 
$
4,524