Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

v3.2.0.727
Fair Value Measurements Fair Value Hierarchy (Details)
$ in Millions
Jun. 28, 2015
USD ($)
Assets, Fair Value Disclosure [Abstract]  
Assets, Fair Value Disclosure, Recurring $ 35,275
Liabilities, Fair Value Disclosure [Abstract]  
Total liabilities measured at fair value 333
Level 1 [Member]  
Assets, Fair Value Disclosure [Abstract]  
Assets, Fair Value Disclosure, Recurring 6,858
Liabilities, Fair Value Disclosure [Abstract]  
Total liabilities measured at fair value 310
Level 2 [Member]  
Assets, Fair Value Disclosure [Abstract]  
Assets, Fair Value Disclosure, Recurring 28,190
Liabilities, Fair Value Disclosure [Abstract]  
Total liabilities measured at fair value 23
Level 3 [Member]  
Assets, Fair Value Disclosure [Abstract]  
Assets, Fair Value Disclosure, Recurring 227
Liabilities, Fair Value Disclosure [Abstract]  
Total liabilities measured at fair value 0
Fair Value, Measurements, Recurring [Member]  
Assets, Fair Value Disclosure [Abstract]  
Cash equivalents 9,672
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 1,181
Corporate bonds and notes 16,272
Mortgage- and asset-backed securities 1,765
Auction rate securities 46
Common and preferred stock 1,436
Equity funds 496
Debt funds 4,042
Total marketable securities 25,238
Derivative instruments 9
Other investments [1] 356
Liabilities, Fair Value Disclosure [Abstract]  
Derivative instruments 23
Other liabilities 310
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]  
Assets, Fair Value Disclosure [Abstract]  
Cash equivalents 5,207
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 44
Corporate bonds and notes 0
Mortgage- and asset-backed securities 0
Auction rate securities 0
Common and preferred stock 753
Equity funds 496
Debt funds 0
Total marketable securities 1,293
Derivative instruments 2
Other investments [1] 356
Liabilities, Fair Value Disclosure [Abstract]  
Derivative instruments 0
Other liabilities 310
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]  
Assets, Fair Value Disclosure [Abstract]  
Cash equivalents 4,465
Marketable Securities [Abstract]  
U.S. Treasury securities and government-related securities 1,137
Corporate bonds and notes 16,272
Mortgage- and asset-backed securities 1,584
Auction rate securities 0
Common and preferred stock 683
Equity funds 0
Debt funds 4,042
Total marketable securities 23,718
Derivative instruments 7
Other investments [1] 0
Liabilities, Fair Value Disclosure [Abstract]  
Derivative instruments 23
Other liabilities 0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]  
Assets, Fair Value Disclosure [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 181
Auction rate securities 46
Common and preferred stock 0
Equity funds 0
Debt funds 0
Total marketable securities 227
Derivative instruments 0
Other investments [1] 0
Liabilities, Fair Value Disclosure [Abstract]  
Derivative instruments 0
Other liabilities $ 0
[1] Included amounts that are restricted (Note 11).