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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jan. 31, 2017
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:
 
 
 
 
Fiscal Years Ended January 31,
(Amounts in millions)
 
Estimated Useful Lives
 
2017
 
2016
Land
 
N/A
 
$
24,801

 
$
25,624

Buildings and improvements
 
3-40 years
 
98,547

 
96,845

Fixtures and equipment
 
1-30 years
 
48,998

 
47,033

Transportation equipment
 
3-15 years
 
2,845

 
2,917

Construction in progress
 
N/A
 
4,301

 
4,539

Property and equipment
 
 
 
$
179,492

 
$
176,958

Accumulated depreciation
 
 
 
(71,782
)
 
(66,787
)
Property and equipment, net
 
 
 
$
107,710

 
$
110,171
Schedule of goodwill
The following table reflects goodwill activity, by reportable segment, for fiscal 2017 and 2016:
(Amounts in millions)
 
Walmart U.S.
 
Walmart
International
 
Sam's Club
 
Total
Balances as of February 1, 2015
 
$
461

 
$
17,328

 
$
313

 
$
18,102

Changes in currency translation and other
 
—

 
(1,412
)
 
—

 
(1,412
)
Acquisitions(1)
 
—

 
5

 
—

 
5

Balances as of January 31, 2016
 
461

 
15,921

 
313

 
16,695

Changes in currency translation and other
 
—

 
(1,433
)
 
—

 
(1,433
)
Acquisitions(2)
 
1,775

 
—

 
—

 
1,775

Balances as of January 31, 2017
 
$
2,236

 
$
14,488

 
$
313

 
$
17,037

(1)
Goodwill recorded for fiscal 2016 acquisitions relates to acquisitions that are not significant, individually or in the aggregate, to the Company's Consolidated Financial Statements.
(2)
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 2017, 2016 and 2015:
 
 
Fiscal Years Ended January 31,
(Amounts in millions)
 
2017
 
2016
 
2015
Deferred membership fee revenue, beginning of year
 
$
744

 
$
759

 
$
641

Cash received from members
 
1,371

 
1,333

 
1,410

Membership fee revenue recognized
 
(1,372
)
 
(1,348
)
 
(1,292
)
Deferred membership fee revenue, end of year
 
$
743

 
$
744

 
$
759