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Accrued Liabilities (Tables) | 12 Months Ended
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Jan. 31, 2018
Accrued Liabilities [Abstract] |
Schedule of accrued liabilities | The Company's accrued liabilities consist of the following:
|  | As of January 31,
(Amounts in millions) |  | 2018 |  | 2017
Accrued wages and benefits(1) |  | $ | 6,998 |  |  | $ | 6,105 |
Self-insurance(2) |  | 3,737 |  |  | 3,922 |
Accrued non-income taxes(3) |  | 3,073 |  |  | 2,816 |
Deferred gift card revenue |  | 2,017 |  |  | 1,856 |
Other(4) |  | 6,297 |  |  | 5,955 |
Total accrued liabilities |  | $ | 22,122 |  |  | $ | 20,654 |
(1) | Accrued wages and benefits include accrued wages, salaries, vacation, bonuses and other incentive plans.
(2) | Self-insurance consists of insurance-related liabilities, such as workers' compensation, general liability, auto liability, product liability and certain employee-related healthcare benefits.
(3) | Accrued non-income taxes include accrued payroll, value added, sales and miscellaneous other taxes.
(4) | Other accrued liabilities consist of various items such as maintenance, utilities, advertising, interest and legal contingencies.

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