Note 15. Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income, Other, Net of Tax, not including currency adjustment related to noncontrolling interest	$ 88	$ 11
AccumulatedOtherComprenhensiveIncomeLossRollForward [Roll Forward]
Balance, December 31, 2012	(111)
Balance, December 31, 2013	(22)	(49)
Net gain on hedging instruments	0	9
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(11)	1
AccumulatedOtherComprenhensiveIncomeLossRollForward [Roll Forward]
Balance, December 31, 2012	(54)	(20)
Balance, December 31, 2013	(10)	(19)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(55)	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	44	1
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	9
AccumulatedOtherComprenhensiveIncomeLossRollForward [Roll Forward]
Balance, December 31, 2012	(12)	(12)
Balance, December 31, 2013	(12)	(3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		9
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	1
AccumulatedOtherComprenhensiveIncomeLossRollForward [Roll Forward]
Balance, December 31, 2012	(44)	(28)
Balance, December 31, 2013	0	(27)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(44)	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		1
Other Comprehensive Income (Loss) [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
AccumulatedOtherComprenhensiveIncomeLossRollForward [Roll Forward]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	$ 44