Employee Benefit Plans - Additional Information (Detail) (North America, USD $) In Millions, unless otherwise specified	6 Months Ended	1 Months Ended
Jun. 28, 2014	Jul. 31, 2014 Subsequent Event
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement contributions, current period	$ 38	$ 4
Pension and other postretirement contributions, remainder of fiscal year	$ 12

Amount of benefits from a defined benefit plan expected to be paid in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant