|
National Semiconductor acquisition (Acquired finite-lived intangible assets) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2011
In-process R&D [Member]
|
Dec. 31, 2010
In-process R&D [Member]
|
Dec. 31, 2011
National [Member]
|
Sep. 23, 2011
National [Member]
|
Dec. 31, 2011
National [Member]
Developed technology [Member]
years
|
Dec. 31, 2011
National [Member]
Customer relationships [Member]
years
|
Dec. 31, 2011
National [Member]
Other [Member]
years
|
Dec. 31, 2011
National [Member]
In-process R&D [Member]
|
||||||
| Acquired Finite-Lived Intangible Assets [Line Items] | |||||||||||||||
| Identified intangible assets subject to amortization, Asset Amount | $ 2,851 | $ 2,025 | $ 810 | $ 16 | |||||||||||
| Acquired intangible assets | 2,960 | 0 | 93 | [1] | 0 | [1] | 2,956 | 2,956 | 105 | [1] | |||||
| Total identified intangible assets | $ 2,960 | $ 0 | $ 93 | [1] | $ 0 | [1] | $ 2,956 | $ 2,956 | $ 105 | [1] | |||||
| Identified intangible assets subject to amortization, Weighted Average Useful Life (Years) | 10 | 8 | 3 | ||||||||||||
|
|||||||||||||||