Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Jan. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

	Fiscal Year Ended January 31, 2015
(Amounts in millions, except per share data)	Q1		Q2		Q3		Q4		Total
Total revenues	$	114,960	$	120,125	$	119,001	$	131,565	$	485,651
Net sales	114,167		119,336		118,076		130,650		482,229
Cost of sales	86,714		90,010		89,247		99,115		365,086
Income from continuing operations	3,711		4,089		3,826		5,188		16,814
Consolidated net income	3,726		4,359		3,826		5,188		17,099
Consolidated net income attributable to Walmart	3,593		4,093		3,711		4,966		16,363
Basic net income per common share(1):
Basic income per common share from continuing operations attributable to Walmart	1.10		1.22		1.15		1.54		5.01
Basic income (loss) per common share from discontinued operations attributable to Walmart	0.01		0.05		—		—		0.06
Basic net income per common share attributable to Walmart	1.11		1.27		1.15		1.54		5.07
Diluted net income per common share(1):
Diluted income per common share from continuing operations attributable to Walmart	1.10		1.21		1.15		1.53		4.99
Diluted income (loss) per common share from discontinued operations attributable to Walmart	0.01		0.05		—		—		0.06
Diluted net income per common share attributable to Walmart	1.11		1.26		1.15		1.53		5.05
	Fiscal Year Ended January 31, 2014
	Q1		Q2		Q3		Q4		Total
Total revenues	$	114,071	$	116,829	$	115,688	$	129,706	$	476,294
Net sales	113,313		116,101		114,876		128,786		473,076
Cost of sales	85,991		87,420		86,687		97,971		358,069
Income from continuing operations	3,932		4,205		3,870		4,544		16,551
Consolidated net income	3,944		4,216		3,885		4,650		16,695
Consolidated net income attributable to Walmart	3,784		4,069		3,738		4,431		16,022
Basic net income per common share(1):
Basic income per common share from continuing operations attributable to Walmart	1.14		1.24		1.14		1.35		4.87
Basic income (loss) per common share from discontinued operations attributable to Walmart	0.01		—		0.01		0.02		0.03
Basic net income per common share attributable to Walmart	1.15		1.24		1.15		1.37		4.90
Diluted net income per common share(1):
Diluted income per common share from continuing operations attributable to Walmart	1.14		1.23		1.14		1.34		4.85
Diluted income (loss) per common share from discontinued operations attributable to Walmart	—		0.01		—		0.02		0.03
Diluted net income per common share attributable to Walmart	1.14		1.24		1.14		1.36		4.88

(1) The sum of quarterly income per common share attributable to Walmart data may not agree to annual amounts due to rounding.