Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

v3.5.0.2
Fair Value Measurements Fair Value Hierarchy (Details) - Fair Value, Measurements, Recurring [Member]
$ in Millions
Sep. 25, 2016
USD ($)
Assets  
Cash equivalents $ 5,277
Marketable securities 26,404
Derivative instruments 71
Other investments 303
Total assets measured at fair value 32,055
Liabilities  
Derivative instruments 11
Other liabilities 302
Total liabilities measured at fair value 313
Level 1 [Member]  
Assets  
Cash equivalents 2,679
Marketable securities 1,872
Derivative instruments 0
Other investments 303
Total assets measured at fair value 4,854
Liabilities  
Derivative instruments 0
Other liabilities 302
Total liabilities measured at fair value 302
Level 2 [Member]  
Assets  
Cash equivalents 2,598
Marketable securities 24,489
Derivative instruments 71
Other investments 0
Total assets measured at fair value 27,158
Liabilities  
Derivative instruments 11
Other liabilities 0
Total liabilities measured at fair value 11
Level 3 [Member]  
Assets  
Cash equivalents 0
Marketable securities 43
Derivative instruments 0
Other investments 0
Total assets measured at fair value 43
Liabilities  
Derivative instruments 0
Other liabilities 0
Total liabilities measured at fair value 0
U.S. Treasury securities and Government [Member]  
Assets  
Marketable securities 2,215
U.S. Treasury securities and Government [Member] | Level 1 [Member]  
Assets  
Marketable securities 867
U.S. Treasury securities and Government [Member] | Level 2 [Member]  
Assets  
Marketable securities 1,348
U.S. Treasury securities and Government [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member]  
Assets  
Marketable securities 18,743
Corporate bonds and notes [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member] | Level 2 [Member]  
Assets  
Marketable securities 18,743
Corporate bonds and notes [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Mortgage- and asset-backed and auction rate securities [Member]  
Assets  
Marketable securities 1,897
Mortgage- and asset-backed and auction rate securities [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Mortgage- and asset-backed and auction rate securities [Member] | Level 2 [Member]  
Assets  
Marketable securities 1,854
Mortgage- and asset-backed and auction rate securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 43
Equity and preferred securities and equity funds [Member]  
Assets  
Marketable securities 1,746
Equity and preferred securities and equity funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 1,005
Equity and preferred securities and equity funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 741
Equity and preferred securities and equity funds [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Debt funds [Member]  
Assets  
Marketable securities 1,803
Debt funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Debt funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 1,803
Debt funds [Member] | Level 3 [Member]  
Assets  
Marketable securities $ 0