Future Minimum Operating Lease Payments and Committed Subleases Under Non-cancelable Leases (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]
Operating lease obligations - Total Amounts	$ 73
Operating lease obligations - 2014	22
Operating lease obligations - 2015	20
Operating lease obligations - 2016	13
Operating lease obligations - 2017	10
Operating lease obligations - 2018	8
Sublease rentals - Total Amounts	(11)
Sublease rentals - 2014	(3)
Sublease rentals - 2015	(3)
Sublease rentals - 2016	(3)
Sublease rentals - 2017	(2)
Sublease rentals - 2018	0
Total committed operating leases less sublease rentals - Total Amounts	62
Total committed operating leases less sublease rentals - 2014	19
Total committed operating leases less sublease rentals - 2015	17
Total committed operating leases less sublease rentals - 2016	10
Total committed operating leases less sublease rentals - 2017	8
Total committed operating leases less sublease rentals - 2018	$ 8

Operating leases future minimum payments net.

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Operating leases future minimum payments net current.

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Operating leases future minimum payments net in five years.

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Operating leases future minimum payments net in four years.

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- Definition

Operating leases future minimum payments net in three years.

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Operating leases future minimum payments net in two years.

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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