The reporting currency-denominated asset value.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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Balance Type:	debit
Period Type:	instant

- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

+ Details

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

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Period Type:	duration

- Definition

The amount of cash paid for interest during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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- Definition

Amount Recognized in Income Due to Inflationary Accounting, Net of Tax

+ References

No definition available.

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Supplemental Cash Flow Information (Schedule of Cash Paid for Interest and Taxes) (Details) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2014 Venezuelan Bolivar [Member] USD ($)	Dec. 31, 2014 Venezuelan Bolivar [Member] USD ($)	Dec. 31, 2013 Venezuelan Bolivar [Member] USD ($)	Feb. 13, 2013 Venezuelan Bolivar [Member] VEB	Feb. 12, 2013 Venezuelan Bolivar [Member] VEB
Interest paid, net of capitalized interest	$ 511us-gaap_InterestPaid	$ 525us-gaap_InterestPaid	$ 478us-gaap_InterestPaid
Income taxes paid, net of refunds	386us-gaap_IncomeTaxesPaidNet	442us-gaap_IncomeTaxesPaidNet	443us-gaap_IncomeTaxesPaidNet
Foreign Currency Exchange Rate, Translation							6.30	4.30
Amount Recognized in Income Due to Inflationary Accounting, Net of Tax				(245)	(252)	(94)
Asset, Reporting Currency Denominated, Value				$ (92)	$ (92)