CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Millions	Total	Total Best Buy Co., Inc.	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests	Comprehensive Income
Balances at Feb. 27, 2010	$ 6,964	$ 6,320	$ 42	$ 441	$ 5,797	$ 40	$ 644
Balances (in shares) at Feb. 27, 2010			419
Increase (Decrease) in Shareholders' Equity
Net earnings, three months ended	181	155			155		26	181
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	(116)	(85)				(85)	(31)	(116)
Unrealized gains on available-for-sale investments	5	5				5		5
Cash flow hedging instruments - unrealized gains (losses)		0						0
Total comprehensive income (loss)	70	75					(5)	70
Stock-based compensation	29	29		29
Stock options exercised	88	88		88
Stock options exercised (in shares)			3
Issuance of common stock under employee stock purchase plan	22	22		22
Issuance of common stock under employee stock purchase plan (in shares)			1
Tax benefit from stock options exercised, restricted stock vesting and employee stock purchase plan	5	5		5
Common stock dividends, $0.15 per share during the period May 28, 2011 and $0.14 per share during the period May 29, 2010, respectively	(60)	(60)			(60)
Repurchase of common stock	(111)	(111)		(111)
Repurchase of common stock (in shares)			(3)
Balances at May. 29, 2010	7,007	6,368	42	474	5,892	(40)	639
Balances (in shares) at May. 29, 2010			420
Balances at Feb. 26, 2011	7,292	6,602	39	18	6,372	173	690
Balances (in shares) at Feb. 26, 2011			393
Increase (Decrease) in Shareholders' Equity
Net earnings, three months ended	163	136			136		27	163
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	79	60				60	19	79
Unrealized gains on available-for-sale investments	1	1				1		1
Cash flow hedging instruments - unrealized gains (losses)	4	2				2	2	4
Total comprehensive income (loss)	247	199					48	247
Dividend distribution	(4)						(4)
Stock-based compensation	31	31		31
Stock options exercised	24	24		24
Stock options exercised (in shares)			1
Issuance of common stock under employee stock purchase plan	22	22		22
Issuance of common stock under employee stock purchase plan (in shares)			1
Tax benefit from stock options exercised, restricted stock vesting and employee stock purchase plan	2	2		2
Common stock dividends, $0.15 per share during the period May 28, 2011 and $0.14 per share during the period May 29, 2010, respectively	(56)	(56)			(56)
Repurchase of common stock	(505)	(505)	(1)	(97)	(407)
Repurchase of common stock (in shares)			(17)
Balances at May. 28, 2011	$ 7,053	$ 6,319	$ 38	$ 0	$ 6,045	$ 236	$ 734
Balances (in shares) at May. 28, 2011			378