Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Mar. 03, 2012	Feb. 26, 2011
ASSETS
Short-term investments	$ 82	$ 110
Fair Value [Member] | Cash and Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	272	70
Fair Value [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		2
Fair Value [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		20
Fair Value [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Foreign currency derivative instruments	1	2
Fair Value [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	119	63
Fair Value [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	30	105
Fair Value [Member] | Equity and Other Investments [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Auction rate securities	82	110
Marketable equity securities	3	146
Fair Value [Member] | Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Marketable equity securities that fund deferred compensation	83	83
Fair Value [Member] | Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Foreign currency derivative instruments	2	1
Fair Value [Member] | Long-term Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Deferred compensation	62	64
Foreign currency derivative instruments		2
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	272	70
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		20
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Foreign currency derivative instruments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	119	63
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	30	105
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity and Other Investments [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Auction rate securities	0	0
Marketable equity securities	3	146
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Marketable equity securities that fund deferred compensation	83	83
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Foreign currency derivative instruments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Long-term Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Deferred compensation	62	64
Foreign currency derivative instruments		0
Significant Other Observable Inputs (Level 2) [Member] | Cash and Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	0	0
Significant Other Observable Inputs (Level 2) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		2
Significant Other Observable Inputs (Level 2) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		0
Significant Other Observable Inputs (Level 2) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Foreign currency derivative instruments	1	2
Significant Other Observable Inputs (Level 2) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	0	0
Significant Other Observable Inputs (Level 2) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	0	0
Significant Other Observable Inputs (Level 2) [Member] | Equity and Other Investments [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Auction rate securities	0	0
Marketable equity securities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Marketable equity securities that fund deferred compensation	0	0
Significant Other Observable Inputs (Level 2) [Member] | Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Foreign currency derivative instruments	2	1
Significant Other Observable Inputs (Level 2) [Member] | Long-term Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Deferred compensation	0	0
Foreign currency derivative instruments		2
Significant Unobservable Inputs (Level 3) [Member] | Cash and Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Cash and cash equivalents	0	0
Significant Unobservable Inputs (Level 3) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Short-term investments		0
Significant Unobservable Inputs (Level 3) [Member] | Short-term Investments [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Short-term investments		0
Significant Unobservable Inputs (Level 3) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Foreign currency derivative instruments	0	0
Significant Unobservable Inputs (Level 3) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
ASSETS
Restricted cash	0	0
Significant Unobservable Inputs (Level 3) [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
ASSETS
Restricted cash	0	0
Significant Unobservable Inputs (Level 3) [Member] | Equity and Other Investments [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Auction rate securities	82	110
Marketable equity securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
ASSETS
Marketable equity securities that fund deferred compensation	0	0
Significant Unobservable Inputs (Level 3) [Member] | Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Foreign currency derivative instruments	0	0
Significant Unobservable Inputs (Level 3) [Member] | Long-term Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
LIABILITIES
Deferred compensation	0	0
Foreign currency derivative instruments		$ 0