QUALCOMM Incorporated Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Hierarchy (Details)

Fair Value Measurements Fair Value Hierarchy (Details) - Fair Value, Measurements, Recurring [Member] $ in Millions	Mar. 26, 2017 USD ($)
Assets
Cash equivalents	$ 6,209
Marketable securities	21,734
Derivative instruments	24
Other investments	468
Total assets measured at fair value	28,435
Liabilities
Derivative instruments	28
Other liabilities	530
Total liabilities measured at fair value	558
Level 1 [Member]
Assets
Cash equivalents	3,270
Marketable securities	389
Derivative instruments	0
Other investments	338
Total assets measured at fair value	3,997
Liabilities
Derivative instruments	0
Other liabilities	337
Total liabilities measured at fair value	337
Level 2 [Member]
Assets
Cash equivalents	2,939
Marketable securities	21,304
Derivative instruments	24
Other investments	0
Total assets measured at fair value	24,267
Liabilities
Derivative instruments	28
Other liabilities	0
Total liabilities measured at fair value	28
Level 3 [Member]
Assets
Cash equivalents	0
Marketable securities	41
Derivative instruments	0
Other investments	130
Total assets measured at fair value	171
Liabilities
Derivative instruments	0
Other liabilities	193
Total liabilities measured at fair value	193
U.S. Treasury securities and government-related securities [Member]
Assets
Marketable securities	1,091
U.S. Treasury securities and government-related securities [Member] \| Level 1 [Member]
Assets
Marketable securities	319
U.S. Treasury securities and government-related securities [Member] \| Level 2 [Member]
Assets
Marketable securities	772
U.S. Treasury securities and government-related securities [Member] \| Level 3 [Member]
Assets
Marketable securities	0
Corporate bonds and notes [Member]
Assets
Marketable securities	18,330
Corporate bonds and notes [Member] \| Level 1 [Member]
Assets
Marketable securities	0
Corporate bonds and notes [Member] \| Level 2 [Member]
Assets
Marketable securities	18,330
Corporate bonds and notes [Member] \| Level 3 [Member]
Assets
Marketable securities	0
Mortgage- and asset-backed and auction rate securities [Member]
Assets
Marketable securities	1,452
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	1,411
Mortgage- and asset-backed and auction rate securities [Member] \| Level 3 [Member]
Assets
Marketable securities	41
Equity and preferred securities and equity funds [Member]
Assets
Marketable securities	246
Equity and preferred securities and equity funds [Member] \| Level 1 [Member]
Assets
Marketable securities	70
Equity and preferred securities and equity funds [Member] \| Level 2 [Member]
Assets
Marketable securities	176
Equity and preferred securities and equity funds [Member] \| Level 3 [Member]
Assets
Marketable securities	0
Debt funds [Member]
Assets
Marketable securities	615
Debt funds [Member] \| Level 1 [Member]
Assets
Marketable securities	0
Debt funds [Member] \| Level 2 [Member]
Assets
Marketable securities	615
Debt funds [Member] \| Level 3 [Member]
Assets
Marketable securities	$ 0