Employee Benefit Plans - Summary of Changes in Benefit Obligation and Fair Value of Assets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Fair value of plan assets, beginning of year	$ 497
Employer contribution	3
Fair value of plan assets, end of year	523
Defined Benefit Pension Plans [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Benefit obligation, beginning of year	663	614
Interest cost	24	25	27
Actuarial (gain) loss	(83)	44
Benefits paid	(24)	(24)
Currency translation adjustment	1	4
Benefit obligation, end of year	581	663	614
Fair value of plan assets, beginning of year	497	440
Return on plan assets	46	51
Employer contribution	3	26
Benefits paid	(24)	(24)
Currency translation adjustment	1	4
Fair value of plan assets, end of year	523	497	440
Funded status	(58)	(166)
Post-Retirement Benefit Plans [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Benefit obligation, beginning of year	8	9
Interest cost			1
Actuarial (gain) loss	(1)
Benefits paid		(1)
Benefit obligation, end of year	7	8	9
Fair value of plan assets, beginning of year
Employer contribution		1
Benefits paid		(1)
Fair value of plan assets, end of year
Funded status	$ (7)	$ (8)