Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

v3.3.1.900
Fair Value Measurements Fair Value Hierarchy (Details) - Fair Value, Measurements, Recurring [Member]
$ in Millions
Mar. 27, 2016
USD ($)
Assets  
Cash equivalents $ 4,744
Marketable securities 24,209
Derivative instruments 60
Other investments 289
Total assets measured at fair value 29,302
Liabilities  
Derivative instruments 7
Other liabilities 288
Total liabilities measured at fair value 295
Level 1 [Member]  
Assets  
Cash equivalents 2,860
Marketable securities 1,191
Derivative instruments 0
Other investments 289
Total assets measured at fair value 4,340
Liabilities  
Derivative instruments 0
Other liabilities 288
Total liabilities measured at fair value 288
Level 2 [Member]  
Assets  
Cash equivalents 1,884
Marketable securities 22,953
Derivative instruments 60
Other investments 0
Total assets measured at fair value 24,897
Liabilities  
Derivative instruments 7
Other liabilities 0
Total liabilities measured at fair value 7
Level 3 [Member]  
Assets  
Cash equivalents 0
Marketable securities 65
Derivative instruments 0
Other investments 0
Total assets measured at fair value 65
Liabilities  
Derivative instruments 0
Other liabilities 0
Total liabilities measured at fair value 0
U.S. Treasury securities and government-related securities [Member]  
Assets  
Marketable securities 1,122
U.S. Treasury securities and government-related securities [Member] | Level 1 [Member]  
Assets  
Marketable securities 103
U.S. Treasury securities and government-related securities [Member] | Level 2 [Member]  
Assets  
Marketable securities 1,019
U.S. Treasury securities and government-related securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member]  
Assets  
Marketable securities 16,696
Corporate bonds and notes [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member] | Level 2 [Member]  
Assets  
Marketable securities 16,696
Corporate bonds and notes [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Mortgage- and asset-backed and auction rate securities [Member]  
Assets  
Marketable securities 1,966
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 1,901
Mortgage- and asset-backed and auction rate securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 65
Equity and preferred securities and equity funds [Member]  
Assets  
Marketable securities 1,491
Equity and preferred securities and equity funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 1,088
Equity and preferred securities and equity funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 403
Equity and preferred securities and equity funds [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Debt funds [Member]  
Assets  
Marketable securities 2,934
Debt funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Debt funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 2,934
Debt funds [Member] | Level 3 [Member]  
Assets  
Marketable securities $ 0