Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		0 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Oct. 11, 2013 New VH	Mar. 31, 2014 New VH
Purchase Transaction [Line Items]
Net Operating Loss Carryforwards			$ 676
Potential Future Tax Benefit	83	133	(237)
Net Operating Loss Carryforward Indemnification Amount Obtained			200
Net operating loss utilized				87
Net Operating Loss tax attribute received from Purchase Transaction				31
Indemnification asset recorded in Other Assets				31
Indemnification asset recorded as a reduction to the consideration paid for the shares repurchased	$ 31			$ 31