XML 54 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9

Marketable Securities - Changes in Value of Marketable Securities Reported in Current Assets on Consolidated Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance	$ 57us-gaap_MarketableSecurities	$ 238us-gaap_MarketableSecurities
Purchase	333us-gaap_PaymentsToAcquireMarketableSecurities		450us-gaap_PaymentsToAcquireMarketableSecurities
Sale	(58)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities	(184)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities	(630)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities
Change in fair value included in OCI for available-for-sale marketable securities	1us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss
Change in fair value recognized in earnings	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Foreign exchange result through OCI	1us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	3us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
Ending Balance	334us-gaap_MarketableSecurities	57us-gaap_MarketableSecurities	238us-gaap_MarketableSecurities
U.S.Treasury Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Purchase	333us-gaap_PaymentsToAcquireMarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBondSecuritiesMember
Change in fair value included in OCI for available-for-sale marketable securities	1us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBondSecuritiesMember
Change in fair value recognized in earnings	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBondSecuritiesMember
Ending Balance	334us-gaap_MarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBondSecuritiesMember
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance	57us-gaap_MarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember	88us-gaap_MarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember
Sale	(58)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember	(34)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember
Change in fair value recognized in earnings	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember
Foreign exchange result through OCI	1us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember	3us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember
Ending Balance		57us-gaap_MarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_CorporateBondSecuritiesMember
U.S. Treasury Bills [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance		150us-gaap_MarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBillSecuritiesMember
Sale		(150)us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBillSecuritiesMember
Change in fair value recognized in earnings		$ 0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet / us-gaap_InvestmentTypeAxis = us-gaap_USTreasuryBillSecuritiesMember

X

- Definition

This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.4)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

+ Details

Name:	us-gaap_MarketableSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 35

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6939497&loc=d3e30304-110892



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section 45

-Paragraph 20

-Subparagraph (b,d)

-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

+ Details

Name:	us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireMarketableSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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

X

- Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_CorporateBondSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_USTreasuryBillSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_USTreasuryBondSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: