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SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Mar. 31, 2020
SEC Schedule, 12-09, 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, 2020, 2019 and 2018 (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, 2020 |  |  |  |  |  |  |  |  |
Allowances for doubtful accounts | $ | 273 |  |  | $ | 91 |  |  | $ | (19 | ) |  | $ | (93 | ) |  | $ | 252 |
Other allowances | 24 |  |  | — |  |  | — |  |  | 6 |  |  | 30 |
| $ | 297 |  |  | $ | 91 |  |  | $ | (19 | ) |  | $ | (87 | ) |  | $ | 282 |
Year Ended March 31, 2019 |  |  |  |  |  |  |  |  |
Allowances for doubtful accounts | $ | 187 |  |  | $ | 132 |  |  | $ | (1 | ) |  | $ | (45 | ) |  | $ | 273 |
Other allowances | 39 |  |  | — |  |  | (15 | ) |  | — |  |  | 24 |
| $ | 226 |  |  | $ | 132 |  |  | $ | (16 | ) |  | $ | (45 | ) |  | $ | 297 |
Year Ended March 31, 2018 |  |  |  |  |  |  |  |  |
Allowances for doubtful accounts | $ | 243 |  |  | $ | 44 |  |  | $ | 13 |  |  | $ | (113 | ) |  | $ | 187 |
Other allowances | 42 |  |  | — |  |  | (3 | ) |  | — |  |  | 39 |
| $ | 285 |  |  | $ | 44 |  |  | $ | 10 |  |  | $ | (113 | ) |  | $ | 226 |
|  |  | 2020 |  | 2019 |  | 2018
(1) | Deductions: |  |  |  |  |  |
| Written off |  | $ | (93 | ) |  | $ | (45 | ) |  | $ | (113 | )
| Credited to other accounts |  | 6 |  |  | — |  |  | — |
| Total |  | $ | (87 | ) |  | $ | (45 | ) |  | $ | (113 | )
(2) | Amounts shown as deductions from current and non-current receivables (current allowances are $265 million, $279 million and $216 million at March 31, 2020, 2019 and 2018) |  | $ | 282 |  |  | $ | 297 |  |  | $ | 226 |
(3) | Primarily represents reclassifications to other balance sheet accounts. |  |  |  |  |  |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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