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Restructuring charges (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2009
Previous Actions [Member]
Jobs
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Dec. 31, 2011
Previous Actions [Member]
Employee severance and benefits charges reserves [Member]
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Dec. 31, 2010
Previous Actions [Member]
Employee severance and benefits charges reserves [Member]
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Dec. 31, 2011
Previous Actions [Member]
Business restructuring impairments and other charges [Member]
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Dec. 31, 2010
Previous Actions [Member]
Business restructuring impairments and other charges [Member]
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Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
facilities
Employees
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Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
facilities
Employees
|
Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Employee severance and benefits charges reserves [Member]
|
Dec. 31, 2010
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Employee severance and benefits charges reserves [Member]
|
Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Business restructuring impairments and other charges [Member]
|
Dec. 31, 2010
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Business restructuring impairments and other charges [Member]
|
Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Accelerated depreciation of facility assets [Member]
|
Dec. 31, 2011
Semiconductor manufacturing facilities in Hiji, Japan, and Houston, Texas [Member]
Other exit costs [Member]
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| Restructuring and Related Cost [Line Items] | ||||||||||||||||||||||||||||
| Number of jobs eliminated (in jobs) | 3,900 | |||||||||||||||||||||||||||
| Number of employees employed at each facility (in employees) | 500 | 500 | ||||||||||||||||||||||||||
| Restructuring completion date (in months) | 18 months | |||||||||||||||||||||||||||
| Restructuring and related activities, Number of facilities closing | 2 | 2 | ||||||||||||||||||||||||||
| Additional restructuring and related charges | $ 215 | $ 135 | $ 30 | $ 50 | ||||||||||||||||||||||||
| Percentage of revenue in current year generated from facilities that will be closed (as a percent) | 4.00% | |||||||||||||||||||||||||||
| Period over which restructuring charges are expect to be incurred (in months) | 21 months | |||||||||||||||||||||||||||
| Changes in Accrued Restructuring Reserve [Roll Forward] | ||||||||||||||||||||||||||||
| Beginning accrual | 30 | 94 | 22 | 84 | 8 | 10 | 0 | 0 | 0 | 0 | ||||||||||||||||||
| Restructuring charges | 112 | 33 | 0 | 33 | 0 | 0 | 112 | 107 | 0 | 5 | 0 | |||||||||||||||||
| Non-cash items | (16) | [1] | (33) | [1] | 0 | [1] | (33) | [1] | 0 | [1] | 0 | [1] | (11) | [1] | 0 | [1] | (5) | [1] | 0 | [1] | ||||||||
| Payments | (10) | (64) | (9) | (62) | (1) | (2) | 0 | 0 | 0 | 0 | ||||||||||||||||||
| Remaining accrual | 116 | 30 | 94 | 13 | 22 | 7 | 8 | 96 | 0 | 0 | 0 | |||||||||||||||||
| Restructuring and Related Cost by Segment [Abstract] | ||||||||||||||||||||||||||||
| Analog | 0 | 13 | 84 | |||||||||||||||||||||||||
| Embedded Processing | 0 | 6 | 43 | |||||||||||||||||||||||||
| Wireless | 0 | 10 | 62 | |||||||||||||||||||||||||
| Other | 112 | 4 | 23 | |||||||||||||||||||||||||
| Total | $ 112 | $ 33 | $ 212 | |||||||||||||||||||||||||
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