Shareholders' Equity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 $ / shares shares	Dec. 31, 2014 shares
Common Stock [Abstract]
Common stock, authorized (in shares) | shares	2,500,000,000	2,500,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.00006	$ 0.00006
Perpetual stock [Member]
Preferred Stock [Abstract]
Preferred stock, authorized (in shares) | shares	1,000,000,000
Preferred stock at par value (in dollars per share) | $ / shares	$ 0.00005
Preferred stock conversion rate	one share of Common Stock for each 36 shares of Series A Preferred Stock at the option of the holder
Preferred stock, Rate of annual cumulative dividends (in hundredths)	10.00%
Preferred stock, Liquidation preference per share | $ / shares	$ 0.06
Preferred stock, Aggregate liquidation preference | $	$ 15
Preferred Stock, Shares Outstanding | shares	0	0	0
Common Stock [Member]
Common Stock [Abstract]
Common stock, authorized (in shares) | shares	2,500,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.00006
Common stock, number of vote per share	1