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) (USD $) In Millions, unless otherwise specified	Dec. 28, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Cash and Cash Equivalents, Current	$ 38
Fair Value, Measurements, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	5,918
Marketable Securities [Abstract]
U.S. Treasury securities and government-related securities	1,504
Corporate bonds and notes	15,594
Mortgage- and asset-backed securities	1,536
Auction rate securities	47
Common and preferred stock	1,813
Equity funds	763
Debt funds	4,021
Total marketable securities	25,278
Derivative instruments	6
Other investments	326
Total assets measured at fair value	31,528
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	6
Other liabilities	288
Total liabilities measured at fair value	294
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	3,226
Marketable Securities [Abstract]
U.S. Treasury securities and government-related securities	389
Corporate bonds and notes	0
Mortgage- and asset-backed securities	0
Auction rate securities	0
Common and preferred stock	1,126
Equity funds	763
Debt funds	473
Total marketable securities	2,751
Derivative instruments	1
Other investments	326
Total assets measured at fair value	6,304
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	0
Other liabilities	288
Total liabilities measured at fair value	288
Fair Value, Measurements, Recurring [Member] \| Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	2,692
Marketable Securities [Abstract]
U.S. Treasury securities and government-related securities	1,115
Corporate bonds and notes	15,594
Mortgage- and asset-backed securities	1,353
Auction rate securities	0
Common and preferred stock	687
Equity funds	0
Debt funds	3,548
Total marketable securities	22,297
Derivative instruments	5
Other investments	0
Total assets measured at fair value	24,994
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	6
Other liabilities	0
Total liabilities measured at fair value	6
Fair Value, Measurements, Recurring [Member] \| Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	0
Marketable Securities [Abstract]
U.S. Treasury securities and government-related securities	0
Corporate bonds and notes	0
Mortgage- and asset-backed securities	183
Auction rate securities	47
Common and preferred stock	0
Equity funds	0
Debt funds	0
Total marketable securities	230
Derivative instruments	0
Other investments	0
Total assets measured at fair value	230
Liabilities, Fair Value Disclosure [Abstract]
Derivative instruments	0
Other liabilities	0
Total liabilities measured at fair value	$ 0