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Stockholders' Equity (Details) (USD $)
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3 Months Ended | 9 Months Ended | 0 Months Ended | 3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 29, 2014
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Mar. 30, 2014
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Dec. 29, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 30, 2012
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Jun. 29, 2014
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Jun. 30, 2013
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Jul. 18, 2014
Subsequent Event
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Mar. 30, 2014
Current Stock Repurchase Program [Member]
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Jun. 29, 2014
Current Stock Repurchase Program [Member]
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Jun. 29, 2014
Qualcomm Stockholders' Equity [Member]
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| Subsequent Event [Line Items] | ||||||||||||
| Dividends payable, per share | $ 0.42 | |||||||||||
| Dividends payable, date payable | Sep. 24, 2014 | |||||||||||
| Dividends payable, date of record | Sep. 03, 2014 | |||||||||||
| Dividends payable, date declared | Jul. 18, 2014 | |||||||||||
| Dividends [Abstract] | ||||||||||||
| Dividends charged to retained earnings, per share | $ 0.42 | $ 0.35 | $ 0.35 | $ 0.35 | $ 0.25 | $ 0.25 | $ 1.12 | $ 0.85 | ||||
| Dividends charged to retained earnings, amount | $ 718,000,000 | $ 599,000,000 | $ 599,000,000 | $ 615,000,000 | $ 439,000,000 | $ 435,000,000 | $ 1,916,000,000 | $ 1,489,000,000 | $ 1,916,000,000 | |||
| Stock repurchase program [Abstract] | ||||||||||||
| Shares repurchased and retired, shares | 44,609,000 | 21,009,000 | ||||||||||
| Shares repurchased and retired, amount, before commissions | 3,400,000,000 | 1,300,000,000 | ||||||||||
| Authorized amount | 7,800,000,000 | |||||||||||
| Remaining authorized amount | $ 6,500,000,000 | |||||||||||