Segment data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Data Table [Line Items]
Segment Revenue	$ 2,983	$ 2,885
Segment Operating Profit	690	395
Analog [Member]
Segment Data Table [Line Items]
Segment Revenue	1,837	1,648
Segment Operating Profit	498	300
Embedded Processing [Member]
Segment Data Table [Line Items]
Segment Revenue	656	561
Segment Operating Profit	52	7
Other [Member]
Segment Data Table [Line Items]
Segment Revenue	490	676
Segment Operating Profit	$ 140	$ 88