Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net income (loss) used in computing net income (loss) per share, basic and diluted	$ 132	$ (126)	$ 228	$ (264)
Denominator:
Shares used in computing net income (loss) per share, basic	904,738,175	1,000	900,128,754	1,000
Effect of dilutive securities (in shares)	18,080,054	0	18,172,975	0
Total dilutive securities (in shares)	922,818,229	1,000	918,301,729	1,000
Basic net income (loss) per share (in dollars per share)	$ 0.15	$ (126,000.00)	$ 0.25	$ (264,000.00)
Diluted net income (loss) per share (in dollars per share)	$ 0.14	$ (126,000.00)	$ 0.25	$ (264,000.00)
Anti-dilutive shares excluded from diluted net income (loss) per share	20,439,375	0	27,064,859	0
Shares outstanding prior to merger		1,000		1,000