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Lease Obligations (Tables) | 12 Months Ended
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Mar. 31, 2018
Leases, Operating [Abstract] |
Schedule of future minimum rental payments for operating leases | At March 31, 2018, future minimum lease payments required under operating leases that have initial or remaining noncancelable lease terms in excess of one year for years ending March 31 are:
(In millions) | Noncancelable Operating Leases
2019 | $ | 502 |
2020 | 443 |
2021 | 383 |
2022 | 333 |
2023 | 277 |
Thereafter | 1,134 |
Total minimum lease payments (1) | $ | 3,072 |
(1) | Amount includes future minimum lease payments for the sale-leaseback transaction of $62 million. Minimum lease payments have not been reduced by minimum sublease income of $147 million due under future noncancelable subleases.

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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