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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 |

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition 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. + References No definition available. + Details
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Period Type: | instant

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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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