Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2017

Accumulated Other Comprehensive Loss

Summary of accumulated other comprehensive loss

			Deferred				Unrealized		Accumulated
	Cumulative		Gain/(Loss)		Pension/		Loss		Other
	Translation		on Hedging		Postretirement		on		Comprehensive
(in millions)	Adjustment		Activities		Adjustment		Investment		Loss
Balance, December 31, 2016	$	(1,008)	$	(7)	$	(56)	$	—	$	(1,071)
Gains on cash-flow hedges, net of income tax effect of $3				5						5
Amount of losses on cash-flow hedges reclassified to earnings, net of income tax effect of $1				3						3
Currency translation adjustment		40								40
Balance, March 31, 2017	$	(968)	$	1	$	(56)	$	—	$	(1,023)

			Deferred				Unrealized		Accumulated
	Cumulative		Gain/(Loss)		Pension/		Loss		Other
	Translation		on Hedging		Postretirement		on		Comprehensive
(in millions)	Adjustment		Activities		Adjustment		Investment		Loss
Balance, December 31, 2015	$	(1,025)	$	(29)	$	(47)	$	(1)	$	(1,102)
Losses on cash-flow hedges, net of income tax effect $6				(11)						(11)
Amount of losses on cash-flow hedges reclassified to earnings, net of income tax effect of $3				7						7
Currency translation adjustment		39								39
Balance, March 31, 2016	$	(986)	$	(33)	$	(47)	$	(1)	$	(1,067)