Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

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Fair Value Measurements Fair Value Hierarchy (Details) (USD $)
In Millions, unless otherwise specified
Dec. 25, 2011
Assets [Abstract]  
Cash equivalents $ 4,049
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 1,163
Corporate bonds and notes 6,320
Mortgage- and asset-backed securities 694
Auction rate securities 122
Non-investment-grade debt securities 4,079
Common and preferred stock 1,906
Equity mutual and exchange-traded funds 922
Debt mutual funds 1,808
Total marketable securities 17,014
Derivative instruments 17
Other investments 175
Total assets measured at fair value 21,255
Liabilities [Abstract]  
Derivative instruments 56
Other liabilities 181
Total liabilities measured at fair value 237
Level 1 [Member]
  
Assets [Abstract]  
Cash equivalents 1,192
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 371
Corporate bonds and notes 0
Mortgage- and asset-backed securities 0
Auction rate securities 0
Non-investment-grade debt securities 0
Common and preferred stock 1,212
Equity mutual and exchange-traded funds 922
Debt mutual funds 1,327
Total marketable securities 3,832
Derivative instruments 0
Other investments 175
Total assets measured at fair value 5,199
Liabilities [Abstract]  
Derivative instruments 0
Other liabilities 175
Total liabilities measured at fair value 175
Level 2 [Member]
  
Assets [Abstract]  
Cash equivalents 2,857
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 792
Corporate bonds and notes 6,320
Mortgage- and asset-backed securities 671
Auction rate securities 0
Non-investment-grade debt securities 4,045
Common and preferred stock 694
Equity mutual and exchange-traded funds 0
Debt mutual funds 481
Total marketable securities 13,003
Derivative instruments 17
Other investments 0
Total assets measured at fair value 15,877
Liabilities [Abstract]  
Derivative instruments 56
Other liabilities 0
Total liabilities measured at fair value 56
Level 3 [Member]
  
Assets [Abstract]  
Cash equivalents 0
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 0
Corporate bonds and notes 0
Mortgage- and asset-backed securities 23
Auction rate securities 122
Non-investment-grade debt securities 34
Common and preferred stock 0
Equity mutual and exchange-traded funds 0
Debt mutual funds 0
Total marketable securities 179
Derivative instruments 0
Other investments 0
Total assets measured at fair value 179
Liabilities [Abstract]  
Derivative instruments 0
Other liabilities 6
Total liabilities measured at fair value $ 6