v3.3.1.900

Fair Value Measurements (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	$ 268	$ 781
Short-term investments	177	245
Net derivative contracts	86	70
Long-term debt converted to floating interest rates by interest rate swaps - net	(94)	(74)
Quoted prices in active markets for identical assets (Level 1) [Member]
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	268	781
Short-term investments	177	245
Net derivative contracts	0	0
Long-term debt converted to floating interest rates by interest rate swaps - net	0	0
Other observable inputs (Level 2) [Member]
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	0	0
Short-term investments	0	0
Net derivative contracts	86	70
Long-term debt converted to floating interest rates by interest rate swaps - net	(94)	(74)
Unobservable inputs (Level 3) [Member]
Summary of financial instruments recognized at fair value and fair value measurement used
Cash	0	0
Short-term investments	0	0
Net derivative contracts	0	0
Long-term debt converted to floating interest rates by interest rate swaps - net	$ 0	$ 0

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Summary of financial instruments recognized at fair value and fair value measurement used.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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Fair value of all derivatives designated as interest rate fair value hedging instruments.

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Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

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-Name Regulation S-X (SX)
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-Section 03
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-Article 7

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