Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2015

Significant Accounting Policies [Line Items]

Computation of Basic and Diluted Earnings Per Share

The computation of basic and diluted earnings per share is as follows:

	2014		2013		2012
	(in millions, except per share data)
Net Income	$	520	$	429	$	397
Weighted-average common shares outstanding		143.9		148.4		151.2
Basic earnings per share	$	3.61	$	2.89	$	2.62
Weighted-average common shares outstanding		143.9		148.4		151.2
Dilutive effect of potential common shares		2.1		2.1		2.8
Weighted-average common shares outstanding assuming dilution		146.0		150.5		154.0
Diluted earnings per share	$	3.56	$	2.85	$	2.58

Estimated Useful Lives

Depreciation and amortization are computed on a straight-line basis over the following estimated useful lives:

Buildings	Maximum of 50 years
Leasehold improvements	10 years or term of lease, if shorter
Furniture, fixtures, and equipment	3 – 10 years
Software	2 – 7 years

Advertising Expense [Member]

Significant Accounting Policies [Line Items]

Catalog Costs Included as Component of Selling, General and Administrative Expenses

Advertising costs, which are included as a component of selling, general and administrative expenses, were as follows:

	2014			2013			2012
	(in millions)
Advertising expenses	$	125		$	124		$	132
Cooperative advertising reimbursements		(21	)		(22	)		(25	)
Net advertising expense	$	104		$	102		$	107

Catalog Expense [Member]

Significant Accounting Policies [Line Items]

Catalog Costs Included as Component of Selling, General and Administrative Expenses

Catalog costs, which are included as a component of selling, general and administrative expenses, were as follows:

	2014			2013			2012
	(in millions)
Catalog costs	$	32		$	36		$	45
Cooperative reimbursements		(7	)		(5	)		(6	)
Net catalog expense	$	25		$	31		$	39