Pension and Other Benefit Plans - Expected Benefits to be Paid Under US and International Pension Plans and Postretirement Medical Plan (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
US Plan Assets
Pension Plans Postretirement And Other Employee Benefits [Line Items]
2014	$ 147
2015	153
2016	160
2017	168
2018	177
2019 - 2023	1,038
International
Pension Plans Postretirement And Other Employee Benefits [Line Items]
2014	204
2015	217
2016	236
2017	251
2018	275
2019 - 2023	1,562
Postretirement medical plan
Pension Plans Postretirement And Other Employee Benefits [Line Items]
2014	46
2015	49
2016	53
2017	57
2018	61
2019 - 2023	$ 376

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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