Subsequent Events (Narrative) (Detail) (USD $) In Millions, unless otherwise specified		0 Months Ended		3 Months Ended
	Apr. 30, 2013	Aug. 06, 2013 Subsequent Event [Member]	Aug. 06, 2013 Subsequent Event [Member] 9 5/8% Notes [Member]	Jun. 30, 2013 9 5/8% Notes [Member]	Jun. 30, 2013 9 3/4% Notes [Member]	Jul. 31, 2013 Payless [Member] Subsequent Event [Member]	Jun. 30, 2013 Revolving Credit Facility Maturing Two Thousand Sixteen [Member]		Aug. 06, 2013 Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Subsequent Event [Member]		Jun. 30, 2013 Revolving Credit Facility Maturing Two Thousand Sixteen [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Acquisition purchase price						$ 50
Maturity Dates				March 2018	March 2020
Convertible senior notes interest percentage			0.00750
Basis spread over variable rate							3.00%
Tender Offer Paid on Notes	398
Stock Repurchase Program, Authorized Amount		200
Line of Credit Facility, Current Borrowing Capacity							$ 1,500	[1]	$ 1,650	[1]	$ 1,500	[1]

[1] This revolving credit facility matures in 2016 and bears interest of one-month LIBOR, plus 300 basis points. The Company’s senior credit facility, which encompasses the floating rate term loans due 2016 and 2019 and the revolving credit facility, is secured by pledges of all of the capital stock of all of the Company’s domestic subsidiaries and 65% of the capital stock of each direct foreign subsidiary, subject to certain exceptions, and liens on substantially all of the Company’s intellectual property and certain other real and personal property.