Supplemental Disclosures To The Consolidated Statements Of Cash Flows (Additional Information Concerning Acquisitions, Interest And Income Taxes Paid) (Details) (USD $) In Millions	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Supplemental Disclosures To The Consolidated Statements Of Cash Flows
Assets acquired, excluding cash	$ 128	$ 532
Liabilities assumed	(17)	(115)
Shares issued (7.4 million shares in 2010)		(178)
Contingent/deferred purchase consideration	(13)	(55)
Net cash outflow for current year acquisitions	98	184
Deferred purchase consideration from prior year acquisitions	15	14
Net cash outflow for acquisitions	113	198
Interest paid	100	113
Income taxes (refunded)/paid	$ (112)	$ 34
Shares issued		7.4

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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