Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

v3.8.0.1
Fair Value Measurements Fair Value Hierarchy (Details) - Fair Value, Measurements, Recurring [Member]
$ in Millions
Sep. 24, 2017
USD ($)
Assets  
Cash equivalents $ 33,949
Marketable securities 3,545
Derivative instruments 14
Other investments 494
Total assets measured at fair value 38,002
Liabilities  
Derivative instruments 27
Other liabilities 565
Total liabilities measured at fair value 592
Level 1 [Member]  
Assets  
Cash equivalents 21,016
Marketable securities 1,005
Derivative instruments 0
Other investments 369
Total assets measured at fair value 22,390
Liabilities  
Derivative instruments 0
Other liabilities 369
Total liabilities measured at fair value 369
Level 2 [Member]  
Assets  
Cash equivalents 12,933
Marketable securities 2,500
Derivative instruments 14
Other investments 0
Total assets measured at fair value 15,447
Liabilities  
Derivative instruments 27
Other liabilities 0
Total liabilities measured at fair value 27
Level 3 [Member]  
Assets  
Cash equivalents 0
Marketable securities 40
Derivative instruments 0
Other investments 125
Total assets measured at fair value 165
Liabilities  
Derivative instruments 0
Other liabilities 196
Total liabilities measured at fair value 196
U.S. Treasury securities and Government [Member]  
Assets  
Marketable securities 982
U.S. Treasury securities and Government [Member] | Level 1 [Member]  
Assets  
Marketable securities 969
U.S. Treasury securities and Government [Member] | Level 2 [Member]  
Assets  
Marketable securities 13
U.S. Treasury securities and Government [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member]  
Assets  
Marketable securities 2,285
Corporate bonds and notes [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member] | Level 2 [Member]  
Assets  
Marketable securities 2,285
Corporate bonds and notes [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Mortgage- and asset-backed and auction rate securities [Member]  
Assets  
Marketable securities 133
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 93
Mortgage- and asset-backed and auction rate securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 40
Equity and preferred securities and equity funds [Member]  
Assets  
Marketable securities 36
Equity and preferred securities and equity funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 36
Equity and preferred securities and equity funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 0
Equity and preferred securities and equity funds [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Debt funds [Member]  
Assets  
Marketable securities 109
Debt funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Debt funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 109
Debt funds [Member] | Level 3 [Member]  
Assets  
Marketable securities $ 0