Fair Value Measurements (Valuation Of Financial Instruments By Pricing Categories) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 1,339	$ 1,395
Foreign currency exchange forward contracts	25	3
Total	4,077	4,345
Liabilities:
Deferred compensation arrangements	72	57
Contingent consideration	59	103
Foreign currency exchange forward contracts	2	1
Total	133	161
Available-for-sale marketable securities
ASSETS
Marketable securities	2,641	2,890
Available-for-sale marketable securities \| Corporate and asset-backed debt securities
ASSETS
Marketable securities	1,177	1,280
Available-for-sale marketable securities \| Foreign government debt securities
ASSETS
Marketable securities	845	848
Available-for-sale marketable securities \| United States agency debt securities
ASSETS
Marketable securities	211	288
Available-for-sale marketable securities \| United States treasury debt securities
ASSETS
Marketable securities	350	343
Available-for-sale marketable securities \| Certificates of deposit
ASSETS
Marketable securities	53	114
Available-for-sale marketable securities \| Other
ASSETS
Marketable securities	5	17
Trading marketable securities
ASSETS
Marketable securities	72	57
(Level 1)
ASSETS
Cash and cash equivalents	1,339	1,395
Total	1,411	1,452
Liabilities:
Deferred compensation arrangements	72	57
Total	72	57
(Level 1) \| Trading marketable securities
ASSETS
Marketable securities	72	57
(Level 2)
ASSETS
Foreign currency exchange forward contracts	25	3
Total	2,666	2,893
Liabilities:
Foreign currency exchange forward contracts	2	1
Total	2	1
(Level 2) \| Available-for-sale marketable securities
ASSETS
Marketable securities	2,641	2,890
(Level 2) \| Available-for-sale marketable securities \| Corporate and asset-backed debt securities
ASSETS
Marketable securities	1,177	1,280
(Level 2) \| Available-for-sale marketable securities \| Foreign government debt securities
ASSETS
Marketable securities	845	848
(Level 2) \| Available-for-sale marketable securities \| United States agency debt securities
ASSETS
Marketable securities	211	288
(Level 2) \| Available-for-sale marketable securities \| United States treasury debt securities
ASSETS
Marketable securities	350	343
(Level 2) \| Available-for-sale marketable securities \| Certificates of deposit
ASSETS
Marketable securities	53	114
(Level 2) \| Available-for-sale marketable securities \| Other
ASSETS
Marketable securities	5	17
(Level 3)
Liabilities:
Contingent consideration	59	103
Total	$ 59	$ 103

Fair Value, Liabilities Measured on Recurring Basis, Deferred Compensation Plan Liabilities

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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

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Fair value portion 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. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the 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 assets not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

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