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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Property, plant and equipment | The following table summarizes the Company's property and equipment balances and includes the estimated useful lives that are generally used to depreciate the assets on a straight-line basis:
|  |  |  | As of January 31,
(Amounts in millions) |  | Estimated Useful Lives |  | 2018 |  | 2017
Land |  | N/A |  | $ | 25,298 |  |  | $ | 24,801 |
Buildings and improvements |  | 3-40 years |  | 101,155 |  |  | 98,547 |
Fixtures and equipment |  | 1-30 years |  | 52,695 |  |  | 48,998 |
Transportation equipment |  | 3-15 years |  | 2,387 |  |  | 2,845 |
Construction in progress |  | N/A |  | 3,619 |  |  | 4,301 |
Property and equipment |  |  |  | $ | 185,154 |  |  | $ | 179,492 |
Accumulated depreciation |  |  |  | (77,479 | ) |  | (71,782 | )
Property and equipment, net |  |  |  | $ | 107,675 |  |  | $ | 107,710 |
Schedule of goodwill | The following table reflects goodwill activity, by reportable segment, for fiscal 2018 and 2017:
(Amounts in millions) |  | Walmart U.S. |  | Walmart International |  | Sam's Club |  | Total
Balances as of February 1, 2016 |  | $ | 461 |  |  | $ | 15,921 |  |  | $ | 313 |  |  | $ | 16,695 |
Changes in currency translation and other |  | — |  |  | (1,433 | ) |  | — |  |  | (1,433 | )
Acquisitions(1) |  | 1,775 |  |  | — |  |  | — |  |  | 1,775 |
Balances as of January 31, 2017 |  | 2,236 |  |  | 14,488 |  |  | 313 |  |  | 17,037 |
Changes in currency translation and other |  | — |  |  | 996 |  |  | — |  |  | 996 |
Acquisitions |  | 209 |  |  | — |  |  | — |  |  | 209 |
Balances as of January 31, 2018 |  | $ | 2,445 |  |  | $ | 15,484 |  |  | $ | 313 |  |  | $ | 18,242 |
(1) | Goodwill recorded for fiscal 2017 Walmart U.S. acquisitions primarily relates to Jet.com, Inc. ("jet.com").
Deferred revenue, by arrangement, disclosure | The following table summarizes membership fee activity for fiscal 2018, 2017 and 2016:
|  | Fiscal Years Ended January 31,
(Amounts in millions) |  | 2018 |  | 2017 |  | 2016
Deferred membership fee revenue, beginning of year |  | $ | 743 |  |  | $ | 744 |  |  | $ | 759 |
Cash received from members |  | 1,398 |  |  | 1,371 |  |  | 1,333 |
Membership fee revenue recognized |  | (1,411 | ) |  | (1,372 | ) |  | (1,348 | )
Deferred membership fee revenue, end of year |  | $ | 730 |  |  | $ | 743 |  |  | $ | 744 |

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- Definition Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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