Quarterly report pursuant to Section 13 or 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
Dec. 24, 2017
USD ($)
Assets  
Cash equivalents $ 32,258
Marketable securities 6,485
Derivative instruments 8
Other investments 553
Total assets measured at fair value 39,304
Liabilities  
Derivative instruments 37
Other liabilities 607
Total liabilities measured at fair value 644
Level 1 [Member]  
Assets  
Cash equivalents 30,384
Marketable securities 4,461
Derivative instruments 0
Other investments 412
Total assets measured at fair value 35,257
Liabilities  
Derivative instruments 0
Other liabilities 412
Total liabilities measured at fair value 412
Level 2 [Member]  
Assets  
Cash equivalents 1,874
Marketable securities 1,986
Derivative instruments 8
Other investments 0
Total assets measured at fair value 3,868
Liabilities  
Derivative instruments 37
Other liabilities 0
Total liabilities measured at fair value 37
Level 3 [Member]  
Assets  
Cash equivalents 0
Marketable securities 38
Derivative instruments 0
Other investments 141
Total assets measured at fair value 179
Liabilities  
Derivative instruments 0
Other liabilities 195
Total liabilities measured at fair value 195
U.S. Treasury securities and government-related securities [Member]  
Assets  
Marketable securities 4,423
U.S. Treasury securities and government-related securities [Member] | Level 1 [Member]  
Assets  
Marketable securities 4,419
U.S. Treasury securities and government-related securities [Member] | Level 2 [Member]  
Assets  
Marketable securities 4
U.S. Treasury securities and government-related securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member]  
Assets  
Marketable securities 1,775
Corporate bonds and notes [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Corporate bonds and notes [Member] | Level 2 [Member]  
Assets  
Marketable securities 1,775
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 95
Mortgage- and asset-backed and auction rate securities [Member] | Level 3 [Member]  
Assets  
Marketable securities 38
Equity and preferred securities and equity funds [Member]  
Assets  
Marketable securities 42
Equity and preferred securities and equity funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 42
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 112
Debt funds [Member] | Level 1 [Member]  
Assets  
Marketable securities 0
Debt funds [Member] | Level 2 [Member]  
Assets  
Marketable securities 112
Debt funds [Member] | Level 3 [Member]  
Assets  
Marketable securities $ 0