Financial Instruments, Derivatives and Fair Value Measures (Details 4) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Fair value, asset and liability measures
Fair Value - Assets	$ 379	$ 358
Fair Value - Liabilities	567	575
Available-for-sale equity securities in an unrealized loss position
Fair value of securities in an unrealized loss position	2,812	6
Unrealized gross losses	797
Recurring
Fair value, asset and liability measures
Equity securities	2,817	9
Interest rate swap derivative financial instruments, assets	172	101
Total Assets	3,196	373
Fair value of hedged long-term debt	4,196	1,637
Contingent consideration related to business combinations	180	243
Total Liabilities	4,501	2,015
Recurring \| Foreign currency forward exchange contracts
Fair value, asset and liability measures
Fair Value - Assets	207	263
Fair Value - Liabilities	125	135
Recurring \| Quoted Prices in Active Markets
Fair value, asset and liability measures
Equity securities	2,817	9
Total Assets	2,817	9
Recurring \| Significant Other Observable Inputs
Fair value, asset and liability measures
Interest rate swap derivative financial instruments, assets	172	101
Total Assets	379	364
Fair value of hedged long-term debt	4,196	1,637
Total Liabilities	4,321	1,772
Recurring \| Significant Other Observable Inputs \| Foreign currency forward exchange contracts
Fair value, asset and liability measures
Fair Value - Assets	207	263
Fair Value - Liabilities	125	135
Recurring \| Significant Unobservable Inputs
Fair value, asset and liability measures
Contingent consideration related to business combinations	180	243
Total Liabilities	$ 180	$ 243

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

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Fair value of financial and nonfinancial obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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