Condensed Consolidating Financial Information (Details 2) (USD $) In Millions, unless otherwise specified	Nov. 26, 2011		Feb. 26, 2011		Nov. 27, 2010		Feb. 27, 2010
Current Assets
Cash and cash equivalents	$ 2,392		$ 1,103		$ 925		$ 1,826
Short-term investments	0		22		2
Receivables	3,212		2,348		2,793
Merchandise inventories	9,220		5,897		10,064
Other current assets	1,085		1,103		1,045
Intercompany receivable	0		0		0
Intercompany note receivable	0		0		0
Total current assets	15,909		10,473		14,829
Property and Equipment, Net	3,567		3,823		3,994
Goodwill	2,420		2,454		2,441		2,452
Tradenames, net	129		133		145
Customer Relationships, Net	165		203		220
Equity and Other Investments	146		328		343
Other Assets	412		435		380
Investments in Subsidiaries	0		0		0
TOTAL ASSETS	22,748		17,849		22,352
Current Liabilities
Accounts payable	10,064		4,894		9,858
Unredeemed gift card liabilities	428		474		424
Accrued compensation and related expenses	497		570		464
Accrued liabilities	1,976		1,471		1,920
Accrued income taxes	11		256		31
Short-term debt	163		557		690
Current portion of long-term debt	427	[1]	441	[1]	33	[1]
Intercompany payable	0		0		0
Intercompany note payable	0		0		0
Total current liabilities	13,566		8,663		13,420
Long-Term Liabilities	1,119		1,183		1,166
Long-Term Debt	1,687		711		1,101
Equity
Shareholders' equity	5,710		6,602		6,001
Noncontrolling interests	666		690		664
Total equity	6,376		7,292		6,665		6,964
TOTAL LIABILITIES AND EQUITY	22,748		17,849		22,352
Best Buy Co., Inc.
Current Assets
Cash and cash equivalents	1,249		282		144		1,170
Short-term investments	0		20		0
Receivables	0		3		0
Merchandise inventories	0		0		0
Other current assets	182		234		243
Intercompany receivable	0		0		0
Intercompany note receivable	806		854		1,578
Total current assets	2,237		1,393		1,965
Property and Equipment, Net	200		200		202
Goodwill	0		0		0
Tradenames, net	0		0		0
Customer Relationships, Net	0		0		0
Equity and Other Investments	141		162		168
Other Assets	170		181		132
Investments in Subsidiaries	14,561		14,030		12,405
TOTAL ASSETS	17,309		15,966		14,872
Current Liabilities
Accounts payable	479		361		479
Unredeemed gift card liabilities	0		0		0
Accrued compensation and related expenses	0		0		0
Accrued liabilities	41		13		0
Accrued income taxes	11		256		31
Short-term debt	0		0		500
Current portion of long-term debt	388		402		0
Intercompany payable	8,573		7,497		6,692
Intercompany note payable	108		103		15
Total current liabilities	9,600		8,632		7,717
Long-Term Liabilities	432		160		148
Long-Term Debt	1,497		500		902
Equity
Shareholders' equity	5,780		6,674		6,105
Noncontrolling interests	0		0		0
Total equity	5,780		6,674		6,105
TOTAL LIABILITIES AND EQUITY	17,309		15,966		14,872
Guarantor Subsidiary
Current Assets
Cash and cash equivalents	220		51		180		53
Short-term investments	0		0		0
Receivables	1,478		738		1,302
Merchandise inventories	6,437		3,973		7,161
Other current assets	48		117		90
Intercompany receivable	0		0		0
Intercompany note receivable	0		0		0
Total current assets	8,183		4,879		8,733
Property and Equipment, Net	1,737		1,803		1,836
Goodwill	6		6		6
Tradenames, net	0		0		0
Customer Relationships, Net	0		0		0
Equity and Other Investments	0		0		0
Other Assets	35		36		39
Investments in Subsidiaries	254		229		195
TOTAL ASSETS	10,215		6,953		10,809
Current Liabilities
Accounts payable	58		101		54
Unredeemed gift card liabilities	361		404		359
Accrued compensation and related expenses	197		200		200
Accrued liabilities	925		625		843
Accrued income taxes	0		0		0
Short-term debt	0		0		0
Current portion of long-term debt	23		23		21
Intercompany payable	4,652		1,665		5,261
Intercompany note payable	500		500		500
Total current liabilities	6,716		3,518		7,238
Long-Term Liabilities	765		863		1,082
Long-Term Debt	111		128		118
Equity
Shareholders' equity	2,623		2,444		2,371
Noncontrolling interests	0		0		0
Total equity	2,623		2,444		2,371
TOTAL LIABILITIES AND EQUITY	10,215		6,953		10,809
Non-Guarantor Subsidiaries
Current Assets
Cash and cash equivalents	923		770		601		603
Short-term investments	0		2		2
Receivables	1,734		1,607		1,491
Merchandise inventories	2,855		1,999		3,010
Other current assets	867		752		766
Intercompany receivable	13,225		9,300		11,953
Intercompany note receivable	107		91		2
Total current assets	19,711		14,521		17,825
Property and Equipment, Net	1,630		1,820		1,956
Goodwill	2,414		2,448		2,435
Tradenames, net	129		133		145
Customer Relationships, Net	165		203		220
Equity and Other Investments	5		166		175
Other Assets	206		273		258
Investments in Subsidiaries	2,623		2,444		2,371
TOTAL ASSETS	26,883		22,008		25,385
Current Liabilities
Accounts payable	9,527		4,432		9,325
Unredeemed gift card liabilities	67		70		65
Accrued compensation and related expenses	300		370		264
Accrued liabilities	1,022		833		1,130
Accrued income taxes	0		0		0
Short-term debt	163		557		190
Current portion of long-term debt	16		16		12
Intercompany payable	0		138		0
Intercompany note payable	305		342		1,065
Total current liabilities	11,400		6,758		12,051
Long-Term Liabilities	177		447		184
Long-Term Debt	79		83		81
Equity
Shareholders' equity	14,561		14,030		12,405
Noncontrolling interests	666		690		664
Total equity	15,227		14,720		13,069
TOTAL LIABILITIES AND EQUITY	26,883		22,008		25,385
Eliminations
Current Assets
Cash and cash equivalents	0		0		0		0
Short-term investments	0		0		0
Receivables	0		0		0
Merchandise inventories	(72)		(75)		(107)
Other current assets	(12)		0		(54)
Intercompany receivable	(13,225)		(9,300)		(11,953)
Intercompany note receivable	(913)		(945)		(1,580)
Total current assets	(14,222)		(10,320)		(13,694)
Property and Equipment, Net	0		0		0
Goodwill	0		0		0
Tradenames, net	0		0		0
Customer Relationships, Net	0		0		0
Equity and Other Investments	0		0		0
Other Assets	1		(55)		(49)
Investments in Subsidiaries	(17,438)		(16,703)		(14,971)
TOTAL ASSETS	(31,659)		(27,078)		(28,714)
Current Liabilities
Accounts payable	0		0		0
Unredeemed gift card liabilities	0		0		0
Accrued compensation and related expenses	0		0		0
Accrued liabilities	(12)		0		(53)
Accrued income taxes	0		0		0
Short-term debt	0		0		0
Current portion of long-term debt	0		0		0
Intercompany payable	(13,225)		(9,300)		(11,953)
Intercompany note payable	(913)		(945)		(1,580)
Total current liabilities	(14,150)		(10,245)		(13,586)
Long-Term Liabilities	(255)		(287)		(248)
Long-Term Debt	0		0		0
Equity
Shareholders' equity	(17,254)		(16,546)		(14,880)
Noncontrolling interests	0		0		0
Total equity	(17,254)		(16,546)		(14,880)
TOTAL LIABILITIES AND EQUITY	$ (31,659)		$ (27,078)		$ (28,714)

[1] Since holders of our convertible debentures may require us to purchase all or a portion of the debentures on January 15, 2012, we classified the $387 for such debentures in the current portion of long-term debt at November 26, 2011, and February 26, 2011.