Accumulated other comprehensive income (loss) (Tables)

12 Months Ended

Dec. 31, 2018

Accumulated other comprehensive income (loss)

Schedule of changes in the components of accumulated other comprehensive income (loss)

	Foreign		Net (Loss) Income		Unrecognized				Total
	Currency		on Hedge		(Loss) Gain on				Accumulated Other
	Translation		Investments in		Derivative		Pension		Comprehensive
	Adjustments		Foreign Operations		Instruments		Adjustments		Income (Loss)
Balance as of December 31, 2015	$	154	$	(33)	$	18	$	30	$	169
Cumulative-effect of IFRS to U.S. GAAP conversion		(1)		—		—		(32)		(33)
Other comprehensive (loss) income		(2)		5		(9)		(9)		(15)
Tax benefit		—		—		1		1		2
Balance as of December 31, 2016		151		(28)		10		(10)		123
Other comprehensive (loss) income		7		—		(3)		(8)		(4)
Tax expense		—		—		—		(6)		(6)
Balance as of December 31, 2017		158		(28)		7		(24)		113
Other comprehensive (loss) income		4		(23)		(10)		(4)		(33)
Tax benefit (expense)		—		—		3		(1)		2
Balance as of December 31, 2018	$	162	$	(51)	$	—	$	(29)	$	82