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SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Mar. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE VALUATION AND QUALIFYING ACCOUNTS
SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE
VALUATION AND QUALIFYING ACCOUNTS
For the Years Ended March 31, 2017, 2016 and 2015
(In millions)

 
 
 
Additions
 
 
 
 
Description
Balance at Beginning of Year
 
Charged to Costs and Expenses
 
Charged to Other Accounts (3)
 
Deductions From Allowance Accounts (1)
 
Balance at End of
Year (2)
Year Ended March 31, 2017
 
 
 
 
 
 
 
 
 
Allowances for doubtful
accounts
$
212

 
$
93

 
$
7

 
$
(69
)
 
$
243

Other allowances
41

 
—

 
2

 
(1
)
 
42

 
$
253

 
$
93

 
$
9

 
$
(70
)
 
$
285

 
 
 
 
 
 
 
 
 
 
Year Ended March 31, 2016
 
 
 
 
 
 
 
 
 
Allowances for doubtful
accounts
$
141

 
$
113

 
$
2

 
$
(44
)
 
$
212

Other allowances
33

 
—

 
(3
)
 
11

 
41

 
$
174

 
$
113

 
$
(1
)
 
$
(33
)
 
$
253

 
 
 
 
 
 
 
 
 
 
Year Ended March 31, 2015
 
 
 
 
 
 
 
 
 
Allowances for doubtful
accounts
$
112

 
$
67

 
$
—

 
$
(38
)
 
$
141

Other allowances
22

 
8

 
—

 
3

 
33

 
$
134

 
$
75

 
$
—

 
$
(35
)
 
$
174

 
 
 
 
 
 
 
 
 
 
 
 
 
2017
 
2016
 
2015
(1)
Deductions:
 
 
 
 
 
 
 
Written off
 
$
(70
)
 
$
(33
)
 
$
(34
)
 
Credited to other accounts
 
—

 
—

 
(1
)
 
Total
 
$
(70
)
 
$
(33
)
 
$
(35
)
 
 
 
 
 
 
 
 
(2)
Amounts shown as deductions from current and non-current receivables
 
$
285

 
$
253

 
$
174

 
 
 
 
 
 
 
 
(3)
Primarily represents reclassifications from other balance sheet accounts.