Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Nov. 26, 2011	Feb. 26, 2011	May 29, 2010
Fair Value | Cash and Cash Equivalents [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	$ 851	$ 70
Fair Value | Cash and Cash Equivalents [Member] | Commercial Paper [Member]
ASSETS
Cash and cash equivalents	60
Fair Value | Short-term Investments [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		2	2
Fair Value | Short-term Investments [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		20
Fair Value | Other Current Assets [Member]
ASSETS
Foreign currency derivative instruments	4	2	5
Fair Value | Other Current Assets [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	160	63	66
Fair Value | Other Current Assets [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	20	105	85
Fair Value | Equity and Other Investments [Member]
ASSETS
Auction rate securities	81	110	131
Marketable equity securities	1	146	145
Fair Value | Other Assets [Member]
ASSETS
Foreign currency derivative instruments			4
Marketable equity securities that fund deferred compensation	81	83	80
Fair Value | Accrued Liabilities [Member]
LIABILITIES
Foreign currency derivative instruments		1
Fair Value | Long-term Liabilities [Member]
LIABILITIES
Deferred compensation	63	64	67
Foreign currency derivative instruments		2
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	851	70
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents [Member] | Commercial Paper [Member]
ASSETS
Cash and cash equivalents	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term Investments [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term Investments [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		20
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets [Member]
ASSETS
Foreign currency derivative instruments	0	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	160	63	66
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Current Assets [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	20	105	85
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity and Other Investments [Member]
ASSETS
Auction rate securities	0	0	0
Marketable equity securities	1	146	145
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Assets [Member]
ASSETS
Foreign currency derivative instruments			0
Marketable equity securities that fund deferred compensation	81	83	80
Quoted Prices in Active Markets for Identical Assets (Level 1) | Accrued Liabilities [Member]
LIABILITIES
Foreign currency derivative instruments		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term Liabilities [Member]
LIABILITIES
Deferred compensation	63	64	67
Foreign currency derivative instruments		0
Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	0	0
Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents [Member] | Commercial Paper [Member]
ASSETS
Cash and cash equivalents	60
Significant Other Observable Inputs (Level 2) | Short-term Investments [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		2	2
Significant Other Observable Inputs (Level 2) | Short-term Investments [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		0
Significant Other Observable Inputs (Level 2) | Other Current Assets [Member]
ASSETS
Foreign currency derivative instruments	4	2	5
Significant Other Observable Inputs (Level 2) | Other Current Assets [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	0	0	0
Significant Other Observable Inputs (Level 2) | Other Current Assets [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	0	0	0
Significant Other Observable Inputs (Level 2) | Equity and Other Investments [Member]
ASSETS
Auction rate securities	0	0	0
Marketable equity securities	0	0	0
Significant Other Observable Inputs (Level 2) | Other Assets [Member]
ASSETS
Foreign currency derivative instruments			4
Marketable equity securities that fund deferred compensation	0	0	0
Significant Other Observable Inputs (Level 2) | Accrued Liabilities [Member]
LIABILITIES
Foreign currency derivative instruments		1
Significant Other Observable Inputs (Level 2) | Long-term Liabilities [Member]
LIABILITIES
Deferred compensation	0	0	0
Foreign currency derivative instruments		2
Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	0	0
Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents [Member] | Commercial Paper [Member]
ASSETS
Cash and cash equivalents	0
Significant Unobservable Inputs (Level 3) | Short-term Investments [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		0	0
Significant Unobservable Inputs (Level 3) | Short-term Investments [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		0
Significant Unobservable Inputs (Level 3) | Other Current Assets [Member]
ASSETS
Foreign currency derivative instruments	0	0	0
Significant Unobservable Inputs (Level 3) | Other Current Assets [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	0	0	0
Significant Unobservable Inputs (Level 3) | Other Current Assets [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	0	0	0
Significant Unobservable Inputs (Level 3) | Equity and Other Investments [Member]
ASSETS
Auction rate securities	81	110	131
Marketable equity securities	0	0	0
Significant Unobservable Inputs (Level 3) | Other Assets [Member]
ASSETS
Foreign currency derivative instruments			0
Marketable equity securities that fund deferred compensation	0	0	0
Significant Unobservable Inputs (Level 3) | Accrued Liabilities [Member]
LIABILITIES
Foreign currency derivative instruments		0
Significant Unobservable Inputs (Level 3) | Long-term Liabilities [Member]
LIABILITIES
Deferred compensation	0	0	0
Foreign currency derivative instruments		$ 0