Other Non-Current Assets - Summary of Other Non-Current Assets (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Assets Noncurrent [Abstract]
Deferred financing costs	$ 36	$ 40
Supplier prepayments	31	24
Prepaid incentives	20	22
Pension assets	12	11
Derivative assets	7	8
Other	27	15
Other non-current assets, Total	$ 133	$ 120