Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 338	$ 338	$ 355
Accumulated Amortization	111	111	95
Net Carrying Value	227	227	260
Net Carrying Value, Goodwill	46	46	46
Net Carrying Value, Trade names	25	25	26
Net Carrying Value, Goodwill and indefinite-lived intangible assets	71	71	72
Intangible Assets Net Including Goodwill	298	298	332
Amortization expense	10	21
Future amortization expense for current fiscal year	42	42
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	196	196	209
Accumulated Amortization	69	69	60
Net Carrying Value	127	127	149
Customer related [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	120	120	124
Accumulated Amortization	35	35	30
Net Carrying Value	85	85	94
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	22	22	22
Accumulated Amortization	7	7	5
Net Carrying Value	$ 15	$ 15	$ 17