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Commitments (Tables) | 12 Months Ended
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Jan. 31, 2018
Commitments Disclosure [Abstract] |
Aggregate minimum annual rentals under non-cancelable leases | Aggregate minimum annual rentals at January 31, 2018, under non-cancelable leases are as follows:
(Amounts in millions) |  |  |  |
Fiscal Year |  | Operating Leases(1) |  | Capital Lease and Financing Obligations
2019 |  | $ | 1,933 |  |  | $ | 1,039 |
2020 |  | 1,718 |  |  | 987 |
2021 |  | 1,532 |  |  | 942 |
2022 |  | 1,381 |  |  | 843 |
2023 |  | 1,158 |  |  | 696 |
Thereafter |  | 7,644 |  |  | 5,423 |
Total minimum rentals |  | $ | 15,366 |  |  | $ | 9,930 |
Less estimated executory costs |  |  |  | 27 |
Net minimum lease payments |  |  |  | 9,903 |
Noncash gain on future termination of financing obligation |  |  |  | 1,111 |
Less imputed interest |  |  |  | (3,567 | )
Present value of minimum lease payments |  |  |  | $ | 7,447 |
(1) | Represents minimum contractual obligation for non-cancelable leases with initial or remaining terms greater than 12 months as of January 31, 2018.

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- Definition Tabular disclosure for lessee's operating leases. Includes, but is not limited to, description of lessee's operating lease, existence and terms of renewal or purchase options and escalation clauses, restrictions imposed by lease, such as those concerning dividends, additional debt, and further leasing, rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 1,3) -URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
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