Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2017

The components of accumulated other comprehensive income (loss) are as follows (in millions):


	Currency Translation Adjustments			Derivative Financial Instruments, Net of Tax			Defined Benefit Plans, Net of Tax			Total
Balance at December 31, 2016	$	(1,376	)	$	(39	)	$	(37	)	$	(1,452	)
Accumulated other comprehensive income (loss) before reclassifications		166			26			—			192
Amounts reclassified from accumulated other comprehensive income (loss)		—			2			—			2

Balance at June 30, 2017	$	(1,210	)	$	(11	)	$	(37	)	$	(1,258	)

The components of amounts reclassified from accumulated other comprehensive income (loss) are as follows (in millions):


	Three Months Ended June 30,
	2017										2016
	Currency Translation Adjustments		Derivative Financial Instruments			Defined Benefit Plans		Total			Currency Translation Adjustments		Derivative Financial Instruments			Defined Benefit Plans		Total
Revenue	$	—	$	1		$	—	$	1		$	—	$	(2	)	$	—	$	(2	)
Cost of revenue		—		8			—		8			—		46			—		46
Tax effect		—		(2	)		—		(2	)		—		(12	)		—		(12	)

	$	—	$	7		$	—	$	7		$	—	$	32		$	—	$	32


	Six Months Ended June 30,
	2017										2016
	Currency Translation Adjustments		Derivative Financial Instruments			Defined Benefit Plans		Total			Currency Translation Adjustments		Derivative Financial Instruments			Defined Benefit Plans		Total
Revenue	$	—	$	(4	)	$	—	$	(4	)	$	—	$	(3	)	$	—	$	(3	)
Cost of revenue		—		4			—		4			—		122			—		122
Tax effect		—		2			—		2			—		(35	)		—		(35	)

	$	—	$	2		$	—	$	2		$	—	$	84		$	—	$	84