Other Comprehensive (Loss) Income and Shareholders' (Deficit) Equity - Accumulated Other Comprehensive (Loss) Income Activity (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	$ (196)
Reclassification of losses from accumulated other comprehensive loss	1	$ (2)
Balance at end of period	(177)
Other comprehensive income (loss) before reclassification related to foreign current translation adjustment, gain on intra-equity foreign currency transaction	(20)	52
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(192)	(72)
Other comprehensive income (loss) before reclassifications	22	(26)
Reclassification of losses from accumulated other comprehensive loss	0	3
Net other comprehensive income (loss)	22	(23)
Balance at end of period	(170)	(95)
Derivative Instrument Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(8)	(9)
Other comprehensive income (loss) before reclassifications	(5)	9
Reclassification of losses from accumulated other comprehensive loss	1	(5)
Net other comprehensive income (loss)	(4)	4
Balance at end of period	(12)	(5)
Available-For-Sale Securities Unrealized Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	4	11
Other comprehensive income (loss) before reclassifications	1	(1)
Reclassification of losses from accumulated other comprehensive loss	0	0
Net other comprehensive income (loss)	1	(1)
Balance at end of period	5	10
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(196)	(70)
Other comprehensive income (loss) before reclassifications	18	(18)
Reclassification of losses from accumulated other comprehensive loss	1	(2)
Net other comprehensive income (loss)	19	(20)
Balance at end of period	$ (177)	$ (90)