Gain on Contract Settlements/Extinguishments, net - Additional Information (Detail) - FDR Holdings, Ltd. [Member] $ in Millions	12 Months Ended
Dec. 31, 2013 USD ($)
Additional Expenditures by Other Contractual Commitments [Line Items]
Net gain recognized on contract settlements/ extinguishments, net line	$ 45
Settlement amount allocated to discontinued operations	$ 14

Cash received for the settlement of litigation during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

Name:	us-gaap_ProceedsFromLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration