Guarantee of Registered Securities (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES
CASH (USED FOR) PROVIDED BY OPERATING ACTIVITIES	$ 1,018	$ 783	$ 500
CASH FLOWS FROM INVESTING ACTIVITIES
Sale of long-term investments	190	90	73
Purchase of long-term investments	(30)	(34)	(158)
Net sales of short-term investments - non-fiduciary	(8)	(337)	259
Acquisition of businesses, net of cash acquired	(97)	(2,078)	(263)
Capital expenditures	(241)	(180)	(140)
CASH USED FOR INVESTING ACTIVITIES	(186)	(2,539)	(229)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury shares	(828)	(250)	(590)
Issuance of shares for employee benefit plans	201	194	163
Issuance of debt	1,673	2,905	1,093
Repayment of debt	(1,688)	(816)	(1,118)
Cash dividends to shareholders	(200)	(175)	(165)
Purchase of shares from noncontrolling interests	(24)	(15)	(3)
Dividends paid to noncontrolling interests	(30)	(20)	(32)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	(896)	1,823	(652)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(10)	62	16
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(74)	129	(365)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	346	217	582
CASH AND CASH EQUIVALENTS AT END OF YEAR	272	346	217
Subsidiary Issuer
CASH FLOWS FROM OPERATING ACTIVITIES
CASH (USED FOR) PROVIDED BY OPERATING ACTIVITIES	(201)	(99)	102
CASH FLOWS FROM INVESTING ACTIVITIES
Sale of long-term investments	133	54	68
Purchase of long-term investments	(20)	(24)	(18)
Net sales of short-term investments - non-fiduciary	115	(262)	300
Acquisition of businesses, net of cash acquired	(5)	(2,001)	(150)
CASH USED FOR INVESTING ACTIVITIES	223	(2,233)	200
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury shares	(828)	(250)	(590)
Advances from (to) affiliates	768	163	300
Issuance of shares for employee benefit plans	201	194	163
Issuance of debt	1,290	2,592
Repayment of debt	(1,288)	(173)
Cash dividends to shareholders	(200)	(175)	(165)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	(57)	2,351	(292)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(35)	19	10
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	14	(5)	(15)
CASH AND CASH EQUIVALENTS AT END OF YEAR	(21)	14	(5)
Other Non-Guarantor Subsidiaries
CASH FLOWS FROM OPERATING ACTIVITIES
CASH (USED FOR) PROVIDED BY OPERATING ACTIVITIES	1,219	882	398
CASH FLOWS FROM INVESTING ACTIVITIES
Sale of long-term investments	57	36	5
Purchase of long-term investments	(10)	(10)	(140)
Net sales of short-term investments - non-fiduciary	(123)	(75)	(41)
Acquisition of businesses, net of cash acquired	(92)	(77)	(113)
Capital expenditures	(241)	(180)	(140)
CASH USED FOR INVESTING ACTIVITIES	(409)	(306)	(429)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances from (to) affiliates	(768)	(163)	(300)
Issuance of debt	383	313	1,093
Repayment of debt	(400)	(643)	(1,118)
Purchase of shares from noncontrolling interests	(24)	(15)	(3)
Dividends paid to noncontrolling interests	(30)	(20)	(32)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	(839)	(528)	(360)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(10)	62	16
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(39)	110	(375)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	332	222	597
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 293	$ 332	$ 222

The cash inflow or outflow from sales or purchases of marketable securities.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation).

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The increase (decrease) during the reporting period in cash and cash equivalents. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The effect of exchange rate changes on cash balances held in foreign currencies.

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The increase (decrease) in obligations owed to an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.

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The net cash inflow or outflow from financing activity for the period.

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The net cash inflow or outflow from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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- Definition

The cash outflow to reacquire common stock during the period.

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The cash outflow from the distribution of an entity's earnings in the form of dividends to common shareholders.

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The cash outflow for the return on capital for noncontrolled interest in the entity.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash outflow to return capital to noncontrolled interest, which generally occurs when noncontrolling shareholders reduce their ownership stake (in a subsidiary of the entity). This element does not include dividends paid to noncontrolling shareholders.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy.

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