Other Comprehensive Income (Loss) and Shareholders' (Deficit) Equity - Accumulated Other Comprehensive (Loss) Income Activity (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 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)	2	$ (4)
Balance at end of period	(173)		(173)
Other comprehensive income (loss) before reclassification related to foreign current translation adjustment, gain on intra-equity foreign currency transaction			(3)	36
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			25	(19)
Reclassification of losses from accumulated other comprehensive loss			0	3
Net other comprehensive income (loss)			25	(16)
Balance at end of period	(167)	(88)	(167)	(88)
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			(4)	7
Reclassification of losses from accumulated other comprehensive loss			2	(7)
Net other comprehensive income (loss)			(2)	0
Balance at end of period	(10)	9	(10)	9
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			0	(2)
Reclassification of losses from accumulated other comprehensive loss			0	0
Net other comprehensive income (loss)			0	(2)
Balance at end of period	4	9	4	9
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			21	(14)
Reclassification of losses from accumulated other comprehensive loss			2	(4)
Net other comprehensive income (loss)			23	(18)
Balance at end of period	$ (173)	$ (88)	$ (173)	$ (88)