$MMC
MARSH & MCLENNAN COMPANIES, INC. Stock $mmc

$mmc Overview Financials Valuation SEC Filings Company Website

2010 Q4 Form 10-K Financial Statement

#000006270912000016 Filed on February 28, 2012

Income Statement

Concept	2010 Q4	2009 Q4	2009
Revenue	$2.785B	$2.564B	$9.831B
YoY Change	8.62%	-2.95%	-8.38%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$1.690B	$1.629B	$6.182B
YoY Change	3.74%	-2.75%	-9.49%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$83.00M	$88.00M	$307.0M
YoY Change	-5.68%	-13.73%	-24.01%
% of Gross Profit
Operating Expenses	$2.460B	$2.592B	$9.053B
YoY Change	-5.09%	1.73%	-7.7%
Operating Profit			$778.0M
YoY Change
Interest Expense	-$27.00M	-$34.00M	$241.0M
YoY Change	-20.59%	21.43%	-230.27%
% of Operating Profit			30.98%
Other Income/Expense, Net
YoY Change
Pretax Income	$298.0M	-$62.00M	$552.0M
YoY Change	-580.65%	-193.94%	11.74%
Income Tax	$106.0M	-$57.00M	$21.00M
% Of Pretax Income	35.57%		3.8%
Net Earnings	$203.0M	$23.00M	$227.0M
YoY Change	782.61%	-71.25%	-410.96%
Net Earnings / Revenue	7.29%	0.9%	2.31%
Basic Earnings Per Share			$0.43
Diluted Earnings Per Share	$369.8K	$43.56K	$0.42
COMMON SHARES
Basic Shares Outstanding			522.0M shares
Diluted Shares Outstanding			524.0M shares

Balance Sheet

Concept	2010 Q4	2009 Q4	2009
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.894B	$1.707B	$1.707B
YoY Change	10.95%	1.31%	1.31%
Cash & Equivalents	$1.894B	$1.777B	$1.707B
Short-Term Investments
Other Short-Term Assets	$170.0M	$500.0M	$500.0M
YoY Change	-66.0%	45.35%	45.35%
Inventory
Prepaid Expenses
Receivables	$2.712B	$2.549B	$2.549B
Other Receivables	$323.0M	$175.0M	$175.0M
Total Short-Term Assets	$5.276B	$4.931B	$4.931B
YoY Change	7.0%	3.07%	3.07%
LONG-TERM ASSETS
Property, Plant & Equipment	$822.0M	$850.0M	$850.0M
YoY Change	-3.29%	-12.28%	-12.28%
Goodwill	$6.420B	$5.990B
YoY Change	7.18%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$919.0M	$3.337B	$3.337B
YoY Change	-72.46%	45.72%	60.74%
Total Long-Term Assets	$10.03B	$10.41B	$10.41B
YoY Change	-3.57%	-0.15%	-0.15%
TOTAL ASSETS
Total Short-Term Assets	$5.276B	$4.931B	$4.931B
Total Long-Term Assets	$10.03B	$10.41B	$10.41B
Total Assets	$15.31B	$15.34B	$15.34B
YoY Change	-0.18%	0.86%	0.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.741B	$1.751B	$1.751B
YoY Change	-0.57%	3.73%	3.73%
Accrued Expenses	$1.294B	$1.290B	$1.290B
YoY Change	0.31%	5.39%	5.39%
Deferred Revenue
YoY Change
Short-Term Debt	$8.000M	$0.00	$0.00
YoY Change
Long-Term Debt Due	$8.000M	$558.0M	$558.0M
YoY Change	-98.57%	36.76%	36.76%
Total Short-Term Liabilities	$3.105B	$3.715B	$3.715B
YoY Change	-16.42%	9.72%	9.72%
LONG-TERM LIABILITIES
Long-Term Debt	$3.026B	$3.034B	$3.034B
YoY Change	-0.26%	-5.01%	-5.01%
Other Long-Term Liabilities	$1.123B	$2.725B	$2.725B
YoY Change	-58.79%	-4.92%	-4.92%
Total Long-Term Liabilities	$1.123B	$5.759B	$5.759B
YoY Change	-80.5%	-4.97%	-4.97%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.105B	$3.715B	$3.715B
Total Long-Term Liabilities	$1.123B	$5.759B	$5.759B
Total Liabilities	$4.228B	$9.509B	$9.509B
YoY Change	-55.54%	0.26%	0.26%
SHAREHOLDERS EQUITY
Retained Earnings	$7.436B
YoY Change
Common Stock	$1.746B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$514.0M
YoY Change
Treasury Stock Shares	15.13M shares
Shareholders Equity	$6.368B	$5.828B	$5.828B
YoY Change
Total Liabilities & Shareholders Equity	$15.31B	$15.34B	$15.34B
YoY Change	-0.18%	0.86%	0.86%

Cashflow Statement

Concept	2010 Q4	2009 Q4	2009
OPERATING ACTIVITIES
Net Income	$203.0M	$23.00M	$227.0M
YoY Change	782.61%	-71.25%	-410.96%
Depreciation, Depletion And Amortization	$83.00M	$88.00M	$307.0M
YoY Change	-5.68%	-13.73%	-24.01%
Cash From Operating Activities	$672.0M	$235.0M	$640.0M
YoY Change	185.96%	-63.11%	-31.91%
INVESTING ACTIVITIES
Capital Expenditures	-$78.00M	-$96.00M	$305.0M
YoY Change	-18.75%	84.62%	-179.02%
Acquisitions			$73.00M
YoY Change
Other Investing Activities	-$204.0M	-$26.00M	-$7.000M
YoY Change	684.62%	-148.15%	-118.42%
Cash From Investing Activities	-$282.0M	-$122.0M	-$236.0M
YoY Change	131.15%	-6200.0%	-32.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net			$408.0M
YoY Change
Cash From Financing Activities	-199.0M	-106.0M	-$464.0M
YoY Change	87.74%	12.77%	-27.84%
NET CHANGE
Cash From Operating Activities	672.0M	235.0M	$640.0M
Cash From Investing Activities	-282.0M	-122.0M	-$236.0M
Cash From Financing Activities	-199.0M	-106.0M	-$464.0M
Net Change In Cash	191.0M	7.000M	-$60.00M
YoY Change	2628.57%	-98.72%	17.65%
FREE CASH FLOW
Cash From Operating Activities	$672.0M	$235.0M	$640.0M
Capital Expenditures	-$78.00M	-$96.00M	$305.0M
Free Cash Flow	$750.0M	$331.0M	$335.0M
YoY Change	126.59%	-51.96%	-74.74%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2010Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	2544000000	USD
CY2011Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	2676000000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	63000000	USD
CY2010Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	62000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1469000000	USD
CY2010Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1411000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	2373000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3152000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	62000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-42000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2300000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3188000000	USD
CY2010Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1185000000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1156000000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	165000000	USD
CY2009	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	193000000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	174000000	USD
CY2010Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	114000000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	105000000	USD
CY2008Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	93000000	USD
CY2009Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	107000000	USD
CY2009	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	58000000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	65000000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	66000000	USD
CY2011Q4	us-gaap	Assets Assets	15454000000	USD
CY2010Q4	us-gaap	Assets Assets	15310000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	5648000000	USD
CY2010Q4	us-gaap	Assets Current AssetsCurrent	5276000000	USD
CY2011Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	367000000	USD
CY2010Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	146000000	USD
CY2011Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	15000000000	USD
CY2010Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	39000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	37000000	USD
CY2010Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	81000000	USD
CY2011Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	33000000	USD
CY2009Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	100000000	USD
CY2011Q4	us-gaap	Business Acquisition Cost Of Acquired Entity Purchase Price BusinessAcquisitionCostOfAcquiredEntityPurchasePrice	197000000	USD
CY2010Q4	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	183000000	USD
CY2011Q4	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	0	USD
CY2009Q4	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	229000000	USD
CY2009	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.49
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.83
CY2010	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.59
CY2010	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.57
CY2009	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.49
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.80
CY2009	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	1.02
CY2011	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	1.77
CY2010	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	1.03
CY2009	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	1.01
CY2010	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	1.02
CY2011	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	1.74
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Amortizable Intangible Assets BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets	80000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired BusinessAcquisitionPurchasePriceAllocationAssetsAcquired	218000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired Liabilities Assumed Net BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet	197000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Current Assets Cash And Cash Equivalents BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents	4000000	USD
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CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Current Liabilities BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities	14000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Amount BusinessAcquisitionPurchasePriceAllocationGoodwillAmount	122000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	21000000	USD
CY2010Q4	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	176000000	USD
CY2009Q4	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	24000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Noncurrent Liabilities BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilities	7000000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets	1000000	USD
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CY2009	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	572000000	USD
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CY2010	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	870000000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	996000000	USD
CY2009	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	10436000000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	11563000000	USD
CY2010	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	10839000000	USD
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CY2011Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	619000000	USD
CY2010Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	572000000	USD
CY2011Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	244000000	USD
CY2010Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	215000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1894000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2113000000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1777000000	USD
CY2008Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1685000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	1894000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	2113000000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	117000000	USD
CY2009	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	92000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	219000000	USD
CY2009	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-42000000	USD
CY2010	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-14000000	USD
CY2011	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2009	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	50000000	USD
CY2010	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-6000000	USD
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CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2010Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
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CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.81
CY2011Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	4847000000	USD
CY2010Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	4471000000	USD
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2010Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2010Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1600000000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1600000000	shares
CY2010Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	560641640	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	560641640	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	539000000	shares
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CY2010Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	541000000	shares
CY2010Q4	us-gaap	Common Stock Value CommonStockValue	561000000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	561000000	USD
CY2011Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	-253000000	USD
CY2010Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	-219000000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	726000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	105000000	USD
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CY2011	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	22000000	USD
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CY2009	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	168000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	127000000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	742000000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-90000000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7000000	USD
CY2009	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-308000000	USD
CY2009	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	264000000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	249000000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	289000000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	180000000	USD
CY2009	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-29000000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	320000000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	24000000	USD
CY2009	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15000000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	21000000	USD
CY2010Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	3034000000	USD
CY2011Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2928000000	USD
CY2011Q4	us-gaap	Debtor In Possession Financing Letters Of Credit Outstanding DebtorInPossessionFinancingLettersOfCreditOutstanding	248000000	USD
CY2010Q4	us-gaap	Debtor In Possession Financing Letters Of Credit Outstanding DebtorInPossessionFinancingLettersOfCreditOutstanding	272000000	USD
CY2009	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	16000000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5000000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-28000000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	90000000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	50000000	USD
CY2009	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	39000000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	178000000	USD
CY2009	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	42000000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16000000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2000000	USD
CY2009	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-5000000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	57000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	62000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1892000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1780000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	376000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	177000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	1205000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	1205000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	190000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	129000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	188000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	310000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1205000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1205000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	169000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	129000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	507000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	344000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	164000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	45000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	181000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	114000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	559000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	524000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	398000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	344000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	0	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	-12000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	203000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	233000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	15000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	9000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	174000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	99000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	6000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	3000000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	39000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	265000000	USD
CY2011	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	100000000	USD
CY2011	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.049
CY2009	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	52000000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	48000000	USD
CY2011Q4	us-gaap	Deposit Contracts Assets DepositContractsAssets	20000000	USD
CY2010Q4	us-gaap	Deposit Contracts Assets DepositContractsAssets	20000000	USD
CY2009	us-gaap	Depreciation Depreciation	307000000	USD
CY2010	us-gaap	Depreciation Depreciation	291000000	USD
CY2011	us-gaap	Depreciation Depreciation	267000000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	0	USD
CY2011	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operation Net Of Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationNetOfTax	-17000000	USD
CY2010	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operation Net Of Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationNetOfTax	-7000000	USD
CY2009	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operation Net Of Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationNetOfTax	0	USD
CY2011	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	25000000	USD
CY2009	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	8000000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	58000000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	293000000	USD
CY2011	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	50000000	USD
CY2009	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	-7000000	USD
CY2010	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	36000000	USD
CY2009	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	-259000000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	0	USD
CY2010	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	13000000	USD
CY2009	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-283000000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-17000000	USD
CY2010Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	265000000	USD
CY2010	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	16000000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	0	USD
CY2009	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	24000000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	-25000000	USD
CY2009	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	15000000	USD
CY2010	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	-235000000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	0	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	345000000	USD
CY2009	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	958000000	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	381000000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2009	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	699000000	USD
CY2009	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.79
CY2009	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-10000000	USD
CY2009	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	152000000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-22000000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	0	USD
CY2009	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	5000000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	-2000000	USD
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.265
CY2009	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.038
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2009	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.065
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.095
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.159
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.007
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2009	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.016
CY2009	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.013
CY2010	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2010Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1294000000	USD
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1400000000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	111700000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	1500000	USD
CY2009	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	0	USD
CY2011	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition	1.6
CY2011	us-gaap	Fair Value Level1 To Level2 Transfers Amount FairValueLevel1ToLevel2TransfersAmount	0	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	23000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	61000000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome	54000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome	-46000000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	301000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	311000000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	219000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	251000000	USD
CY2010	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-1000000	USD
CY2009Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1122000000	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1245000000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1329000000	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	106000000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	110000000	USD
CY2011Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	1793000000	USD
CY2010Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	1111000000	USD
CY2011Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	780000000	USD
CY2010Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	747000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	265000000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	212000000	USD
CY2010	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	50000000	USD
CY2011	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	65000000	USD
CY2009	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	26000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	121000000	USD
CY2011	us-gaap	Finite Lived Intangible Assets Future Amortization Expense FiniteLivedIntangibleAssetsFutureAmortizationExpense	401000000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	615000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	666000000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	403000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	401000000	USD
CY2011	us-gaap	Future Amortization Expense After Year Five FutureAmortizationExpenseAfterYearFive	130000000	USD
CY2011	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	40000000	USD
CY2011	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	53000000	USD
CY2011	us-gaap	Future Amortization Expense Year One FutureAmortizationExpenseYearOne	64000000	USD
CY2011	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	55000000	USD
CY2011	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	59000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Thereafter FutureMinimumSubleaseRentalsSaleLeasebackTransactionsThereafter	142000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Five Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFiveYears	39000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Four Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears	39000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within One Year FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear	49000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Three Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears	43000000	USD
CY2011Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Two Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears	45000000	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	8000000	USD
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	40000000	USD
CY2009	us-gaap	Gain Loss On Investments GainLossOnInvestments	-8000000	USD
CY2010	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	17000000	USD
CY2009	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-56000000	USD
CY2011	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-35000000	USD
CY2010	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		USD
CY2009	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-72000000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	6420000000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	6562000000	USD
CY2009Q4	us-gaap	Goodwill Goodwill	5990000000	USD
CY2010	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	502000000	USD
CY2011	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	124000000	USD
CY2010	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss		USD
CY2009	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	315000000	USD
CY2011	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss		USD
CY2010	us-gaap	Goodwill Other Changes GoodwillOtherChanges	72000000	USD
CY2011	us-gaap	Goodwill Other Changes GoodwillOtherChanges	-18000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-296000000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-438000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1404000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	769000000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	552000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1065000000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	990000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1283000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1404000000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	552000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	769000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	982000000	USD
CY2009	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	531000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	565000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.76
CY2010	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.01
CY2009	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.97
CY2009	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.96
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.73
CY2010	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.00
CY2009	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-290000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	33000000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	306000000	USD
CY2009	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-290000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	33000000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	306000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.06
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.55
CY2009	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.54
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.06
CY2009	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.54
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.55
CY2009	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	422000000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204000000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	39000000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	37000000	USD
CY2009	us-gaap	Income Taxes Paid IncomeTaxesPaid	219000000	USD
CY2010Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	323000000	USD
CY2011Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	33000000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1000000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	32000000	USD
CY2009	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-95000000	USD
CY2009	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	92000000	USD
CY2010	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-13000000	USD
CY2011	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	107000000	USD
CY2009	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	124000000	USD
CY2011	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	108000000	USD
CY2010	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-55000000	USD
CY2009	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	28000000	USD
CY2010	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-51000000	USD
CY2011	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	225000000	USD
CY2009	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-118000000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	216000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	94000000	USD
CY2009	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-487000000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-145000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	32000000	USD
CY2009	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	81000000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-143000000	USD
CY2010	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	216000000	USD
CY2011Q4	us-gaap	Indefinite Lived Intangible Assets IndefiniteLivedIntangibleAssets	0	USD
CY2010Q4	us-gaap	Indefinite Lived Intangible Assets IndefiniteLivedIntangibleAssets	0	USD
CY2011	us-gaap	Ineffectiveness On Interest Rate Fair Value Hedges Is Immaterial IneffectivenessOnInterestRateFairValueHedgesIsImmaterial	0
CY2009	us-gaap	Interest Expense InterestExpense	241000000	USD
CY2010	us-gaap	Interest Expense InterestExpense	233000000	USD
CY2011	us-gaap	Interest Expense InterestExpense	199000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	188000000	USD
CY2010	us-gaap	Interest Paid InterestPaid	232000000	USD
CY2009	us-gaap	Interest Paid InterestPaid	230000000	USD
CY2011Q4	us-gaap	Interest Rate Fair Value Hedge Asset At Fair Value InterestRateFairValueHedgeAssetAtFairValue	7000000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	28000000	USD
CY2009	us-gaap	Investment Income Interest InvestmentIncomeInterest	17000000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	20000000	USD
CY2011	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	9000000	USD
CY2009	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	-2000000	USD
CY2010	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	43000000	USD
CY2011Q4	us-gaap	Investments Investments	10719000000	USD
CY2010Q4	us-gaap	Investments Investments	10164000000	USD
CY2010Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	64000000	USD
CY2011Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	58000000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6969000000	USD
CY2009	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6182000000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6465000000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15454000000	USD
CY2010Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15310000000	USD
CY2010Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3105000000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3739000000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	0	USD
CY2011Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	1000000000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Initiation Date LineOfCreditFacilityInitiationDate	October 13, 2011
CY2010Q2	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	500000000	USD
CY2011Q1	us-gaap	Loans Receivable Basis Spread On Variable Rate LoansReceivableBasisSpreadOnVariableRate	0.03726
CY2011Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2668000000	USD
CY2010Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3026000000	USD
CY2011Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	260000000	USD
CY2010Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	8000000	USD
CY2010Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3234000000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2958000000	USD
CY2011Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	259000000	USD
CY2011Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	11000000	USD
CY2011Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	490000000	USD
CY2011Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	330000000	USD
CY2011Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	260000000	USD
CY2010Q4	us-gaap	Minority Interest MinorityInterest	47000000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	57000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1130000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-464000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1007000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-457000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	535000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-236000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	640000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	722000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1705000000	USD
CY2009	us-gaap	Net Income Loss NetIncomeLoss	227000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	993000000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	855000000	USD
CY2009	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	14000000	USD
CY2010	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16000000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2010	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	867000000	USD
CY2011	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	214000000	USD
CY2009	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	420000000	USD
CY2010	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	8
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-129000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-888000000	USD
CY2009	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-73000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	5000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	1000000	USD
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	1000000	USD
CY2011Q1	us-gaap	Number Of Interest Rate Derivatives Held NumberOfInterestRateDerivativesHeld	2
CY2011	us-gaap	Operating Expenses OperatingExpenses	9888000000	USD
CY2009	us-gaap	Operating Expenses OperatingExpenses	9053000000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	9611000000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	1638000000	USD
CY2009	us-gaap	Operating Income Loss OperatingIncomeLoss	778000000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	939000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	363000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	197000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	236000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	273000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	323000000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	991000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	421000000	USD
CY2009	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	397000000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	430000000	USD
CY2011	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	9000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	8000000	USD
CY2009	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	5000000	USD
CY2011Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	2016000000	USD
CY2010Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	1741000000	USD
CY2010Q4	us-gaap	Other Assets Current OtherAssetsCurrent	170000000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	253000000	USD
CY2010Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	919000000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	795000000	USD
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-417000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-779000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-90000000	USD
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	172000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	335000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	56000000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-27000000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-104000000	USD
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	346000000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	4000000	USD
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	54000000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-7000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	3000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	0	USD
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	1000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-7000000	USD
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4000000	USD
CY2009	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4000000	USD
CY2009	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2871000000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3146000000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2919000000	USD
CY2011Q4	us-gaap	Other Investments OtherInvestments	237000000	USD
CY2010Q4	us-gaap	Other Investments OtherInvestments	188000000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	984000000	USD
CY2010Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1123000000	USD
CY2011Q4	us-gaap	Other Receivables OtherReceivables	216000000	USD
CY2010Q4	us-gaap	Other Receivables OtherReceivables	186000000	USD
CY2011	us-gaap	Other Restructuring Costs OtherRestructuringCosts	1000000	USD
CY2010	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	2000000	USD
CY2011	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	0	USD
CY2009	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	6000000	USD
CY2009	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-53000000	USD
CY2010	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-91000000	USD
CY2011	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-62000000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5000000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000	USD
CY2009	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-7000000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	361000000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	86000000	USD
CY2009	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock		USD
CY2011	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	361000000	USD
CY2010	us-gaap	Payments For Restructuring PaymentsForRestructuring	189000000	USD
CY2011	us-gaap	Payments For Restructuring PaymentsForRestructuring	82000000	USD
CY2009	us-gaap	Payments For Restructuring PaymentsForRestructuring	206000000	USD
CY2011	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	672000000	USD
CY2010	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts		USD
CY2009	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts		USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	452000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	480000000	USD
CY2009	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	431000000	USD
CY2010	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	427000000	USD
CY2009	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	67000000	USD
CY2011	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	160000000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	237000000	USD
CY2009	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	73000000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	492000000	USD
CY2009	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2011	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4000000	USD
CY2010	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3000000	USD
CY2009	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	24000000	USD
CY2010	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	15000000	USD
CY2011	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	21000000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	280000000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	271000000	USD
CY2009	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	305000000	USD
CY2009	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders		USD
CY2010	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders		USD
CY2011	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	11000000	USD
CY2011Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1655000000	USD
CY2010Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1211000000	USD
CY2011	us-gaap	Performance Fees PerformanceFees	74000000	USD
CY2010Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2010Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6000000	shares
CY2010Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2010Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2009	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	75000000	USD
CY2010	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	1202000000	USD
CY2011	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates		USD
CY2011	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	496000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt		USD
CY2009	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	398000000	USD
CY2010	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	41000000	USD
CY2011	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	162000000	USD
CY2009	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	34000000	USD
CY2010	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6000000	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3000000	USD
CY2009	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	7000000	USD
CY2009	us-gaap	Profit Loss ProfitLoss	241000000	USD
CY2010	us-gaap	Profit Loss ProfitLoss	871000000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	1015000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2273000000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2233000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	804000000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	822000000	USD
CY2009Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	850000000	USD
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11000000	USD
CY2009	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	23000000	USD
CY2010	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	20000000	USD
CY2011Q4	us-gaap	Real Estate Investments Other RealEstateInvestmentsOther	337000000	USD
CY2010Q4	us-gaap	Real Estate Investments Other RealEstateInvestmentsOther	301000000	USD
CY2011Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	2906000000	USD
CY2010Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	3035000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11000000	USD
CY2009	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	408000000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	559000000	USD
CY2011	us-gaap	Restricted Stock Expense RestrictedStockExpense	197000000	USD
CY2009	us-gaap	Restricted Stock Expense RestrictedStockExpense	123000000	USD
CY2010	us-gaap	Restricted Stock Expense RestrictedStockExpense	182000000	USD
CY2011	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	51000000	USD
CY2010	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	141000000	USD
CY2009	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	243000000	USD
CY2011	us-gaap	Restructuring Charges RestructuringCharges	51000000	USD
CY2009Q4	us-gaap	Restructuring Reserve RestructuringReserve	259000000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	181000000	USD
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	211000000	USD
CY2008Q4	us-gaap	Restructuring Reserve RestructuringReserve	222000000	USD
CY2010Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7436000000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7949000000	USD
CY2011	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	11526000000	USD
CY2009	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	9831000000	USD
CY2010	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	10550000000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	38895109	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.33
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.21
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	29.38
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm	4.8
CY2009Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	46400000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue	0.00
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.00
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	51700	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	73900	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	46.86
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	41.41
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	22200	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	28.74
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0362
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	12913460	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	31.47
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	23600000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	500000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	26.26
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	2768763	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	37.12
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	294840	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	25.46
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	2827655	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	30.60
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.67
CY2009	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.63
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.85
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	155159000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	43386136	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	221216000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	38030022	shares
CY2010Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	43400000	shares
CY2011Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	38900000	shares
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	58228000	USD
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	4.6
CY2011Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm1	3.0
CY2011Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	260000000	USD
CY2010Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	8000000	USD
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	330000000	USD
CY2010Q4	us-gaap	Short Term Investments ShortTermInvestments	610000000	USD
CY2011Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	261000000	USD
CY2010Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	8000000	USD
CY2010	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	7600000	shares
CY2011	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	0	shares
CY2009	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	10700000	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	4255079	shares
CY2010	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	18000000	USD
CY2009	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	11000000	USD
CY2011	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	21000000	USD
CY2011Q3	us-gaap	Stock Repurchase Program Authorized Amount StockRepurchaseProgramAuthorizedAmount	1000000000	USD
CY2011	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	553000000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6415000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5940000000	USD
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5863000000	USD
CY2011Q4	us-gaap	Trading Liabilities Fair Value Disclosure TradingLiabilitiesFairValueDisclosure	367000000	USD
CY2010Q4	us-gaap	Trading Liabilities Fair Value Disclosure TradingLiabilitiesFairValueDisclosure	106000000	USD
CY2011Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	1739000000	USD
CY2010Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	1941000000	USD
CY2010Q4	us-gaap	Trading Securities Fair Value Disclosure TradingSecuritiesFairValueDisclosure	1000000	USD
CY2011	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	29.44
CY2011Q4	us-gaap	Treasury Stock Deferred Employee Stock Ownership Plan TreasuryStockDeferredEmployeeStockOwnershipPlan	366000000	USD
CY2010Q4	us-gaap	Treasury Stock Deferred Employee Stock Ownership Plan TreasuryStockDeferredEmployeeStockOwnershipPlan	334000000	USD
CY2010Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	20132120	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	21543833	shares
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12300000	shares
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	595000000	USD
CY2010Q4	us-gaap	Treasury Stock Value TreasuryStockValue	514000000	USD
CY2011Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	378000000	USD
CY2010Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	547000000	USD
CY2010Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsPortionOfDeferredTax	5000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsPortionOfDeferredTax	1000000	USD
CY2010Q4	mmc	Advanced Premiums And Claims Receivables AdvancedPremiumsAndClaimsReceivables	96000000	USD
CY2011Q4	mmc	Advanced Premiums And Claims Receivables AdvancedPremiumsAndClaimsReceivables	86000000	USD
CY2009Q4	mmc	Amount Agreed To Pay Without Admitting Liability AmountAgreedToPayWithoutAdmittingLiability	425000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	199000000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	206000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	143000000	USD
CY2008Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	293000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	91000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	17000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	35000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	39000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	28000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	-4000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	-4000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	-6000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	11000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	115000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	123000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	102000000	USD
CY2011	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-weight:bold;">Estimates:</font><font style="font-family:Arial;font-size:10pt;">  The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results may vary from those estimates.</font></div></div>
CY2011	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	1000000	USD
CY2010	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	4000000	USD
CY2011Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	7000000	USD
CY2010Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	1000000	USD
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	544000000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	551000000	shares
CY2009	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	524000000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	540000000	shares
CY2009	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	522000000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	542000000	shares
CY2011	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-21000000	USD
CY2010	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-26000000	USD
CY2009	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-14000000	USD
CY2010Q4	mmc	Accumulated Other Comprehensive Income Foreign Currency Translation Adjustments Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentsPortionOfDeferredTax	10000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Foreign Currency Translation Adjustments Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentsPortionOfDeferredTax	14000000	USD
CY2010Q4	mmc	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansPortionOfDeferredTax	1173000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansPortionOfDeferredTax	1508000000	USD
CY2009Q4	mmc	Amount Covered By Insurance AmountCoveredByInsurance	205000000	USD
CY2010Q2	mmc	Amount Covered By Insurance AmountCoveredByInsurance	100000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Net Of Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsNetOfTax	6000000	USD
CY2010Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Net Of Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsNetOfTax	11000000	USD
CY2009Q4	mmc	Assets Of Discontined Operations And Corporate Advisory And Restructuring Business AssetsOfDiscontinedOperationsAndCorporateAdvisoryAndRestructuringBusiness	1600000000	USD
CY2011Q4	mmc	Available For Sale Securities Gross Unrealized Gains On Fiduciary Assets Liabilities AvailableForSaleSecuritiesGrossUnrealizedGainsOnFiduciaryAssetsLiabilities	2000000	USD
CY2010Q4	mmc	Available For Sale Securities Gross Unrealized Gains On Fiduciary Assets Liabilities AvailableForSaleSecuritiesGrossUnrealizedGainsOnFiduciaryAssetsLiabilities	5000000	USD
CY2011Q4	mmc	Business Acquisition Purchase Price Allocation Other Current Assets BusinessAcquisitionPurchasePriceAllocationOtherCurrentAssets	0	USD
CY2011Q4	mmc	Cash And Cash Equivalents Continuing Operations CashAndCashEquivalentsContinuingOperations	2113000000	USD
CY2010Q4	mmc	Cash And Cash Equivalents Continuing Operations CashAndCashEquivalentsContinuingOperations	1894000000	USD
CY2009Q4	mmc	Cash And Cash Equivalents Continuing Operations CashAndCashEquivalentsContinuingOperations	1707000000	USD
CY2011Q4	mmc	Cash And Cash Equivalents Reported As Discontinued Operations CashAndCashEquivalentsReportedAsDiscontinuedOperations	0	USD
CY2010Q4	mmc	Cash And Cash Equivalents Reported As Discontinued Operations CashAndCashEquivalentsReportedAsDiscontinuedOperations	0	USD
CY2009Q4	mmc	Cash And Cash Equivalents Reported As Discontinued Operations CashAndCashEquivalentsReportedAsDiscontinuedOperations	70000000	USD
CY2011Q4	mmc	Commissions Fees Premiums Claims And Other Receivables Gross CommissionsFeesPremiumsClaimsAndOtherReceivablesGross	3011000000	USD
CY2010Q4	mmc	Commissions Fees Premiums Claims And Other Receivables Gross CommissionsFeesPremiumsClaimsAndOtherReceivablesGross	3149000000	USD
CY2010	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions		USD
CY2009	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions		USD
CY2011	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions	16000000	USD
CY2010	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	24000000	USD
CY2011	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	102000000	USD
CY2009	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	50000000	USD
CY2009	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	0	USD
CY2011	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	-11000000	USD
CY2010	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	-60000000	USD
CY2010Q1	mmc	Deferred Purchase Consideration Paid DeferredPurchaseConsiderationPaid	15000000	USD
CY2011Q4	mmc	Deferred Tax Liabilities Included In Other Liabilities DeferredTaxLiabilitiesIncludedInOtherLiabilities	-21000000	USD
CY2010Q4	mmc	Deferred Tax Liabilities Included In Other Liabilities DeferredTaxLiabilitiesIncludedInOtherLiabilities	0	USD
CY2011	mmc	Discontinued Operation Settlement Of Tax Audits DiscontinuedOperationSettlementOfTaxAudits	50000000	USD
CY2011	mmc	Discontinued Subsidiary Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedSubsidiaryOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2010	mmc	Discontinued Subsidiary Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedSubsidiaryOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	20000000	USD
CY2009	mmc	Discontinued Subsidiary Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedSubsidiaryOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-283000000	USD
CY2011	mmc	Domestic Deferred Tax Assets DomesticDeferredTaxAssets	240000000	USD
CY2010	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	-79000000	USD
CY2009	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	41000000	USD
CY2011	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	12000000	USD
CY2011	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	1000000	USD
CY2009	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	5000000	USD
CY2010	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	13000000	USD
CY2009	mmc	Effective Income Tax Rate Reconciliation Nondeductible Expense Change In Uncertain Tax Benefits EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInUncertainTaxBenefits	-0.168
CY2011	mmc	Effective Income Tax Rate Reconciliation Nondeductible Expense Change In Uncertain Tax Benefits EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInUncertainTaxBenefits	-0.001
CY2010	mmc	Effective Income Tax Rate Reconciliation Nondeductible Expense Change In Uncertain Tax Benefits EffectiveIncomeTaxRateReconciliationNondeductibleExpenseChangeInUncertainTaxBenefits	-0.002
CY2012Q4	mmc	Expected Fund In Non Us Pension Plans ExpectedFundInNonUSPensionPlans	395000000	USD
CY2011Q4	mmc	Expected Fund In Us Non Qualified Plan ExpectedFundInUsNonQualifiedPlan	24000000	USD
CY2011Q4	mmc	Fair Value Assets Measured On Recurring Basis Money Market Funds FairValueAssetsMeasuredOnRecurringBasisMoneyMarketFunds	226000000	USD
CY2010Q4	mmc	Fair Value Assets Measured On Recurring Basis Money Market Funds FairValueAssetsMeasuredOnRecurringBasisMoneyMarketFunds	8000000	USD
CY2011Q4	mmc	Fair Value Assets Measured On Recurring Basis Mutual Funds FairValueAssetsMeasuredOnRecurringBasisMutualFunds	134000000	USD
CY2010Q4	mmc	Fair Value Assets Measured On Recurring Basis Mutual Funds FairValueAssetsMeasuredOnRecurringBasisMutualFunds	137000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis FairValueFiduciaryAssetsMeasuredOnRecurringBasis	248000000	USD
CY2010Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis FairValueFiduciaryAssetsMeasuredOnRecurringBasis	435000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Corporate And Other Debt FairValueFiduciaryAssetsMeasuredOnRecurringBasisCorporateAndOtherDebt	2000000	USD
CY2010Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Corporate And Other Debt FairValueFiduciaryAssetsMeasuredOnRecurringBasisCorporateAndOtherDebt	30000000	USD
CY2010Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Money Market Funds FairValueFiduciaryAssetsMeasuredOnRecurringBasisMoneyMarketFunds	152000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Money Market Funds FairValueFiduciaryAssetsMeasuredOnRecurringBasisMoneyMarketFunds	186000000	USD
CY2010Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Other Sovereign Government Obligations And Supranational Agencies FairValueFiduciaryAssetsMeasuredOnRecurringBasisOtherSovereignGovernmentObligationsAndSupranationalAgencies	185000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Other Sovereign Government Obligations And Supranational Agencies FairValueFiduciaryAssetsMeasuredOnRecurringBasisOtherSovereignGovernmentObligationsAndSupranationalAgencies	47000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis State And Local Obligations FairValueFiduciaryAssetsMeasuredOnRecurringBasisStateAndLocalObligations	13000000	USD
CY2010Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis State And Local Obligations FairValueFiduciaryAssetsMeasuredOnRecurringBasisStateAndLocalObligations	68000000	USD
CY2011Q4	mmc	Fair Value Interest Rate Discount Rate FairValueInterestRateDiscountRate	0.016
CY2010	mmc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTranslationAdjustment	36000000	USD
CY2011	mmc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTranslationAdjustment	-10000000	USD
CY2011Q4	mmc	Fair Value On Senior Notes FairValueOnSeniorNotes	257000000	USD
CY2011	mmc	Fiduciary Assets Liabilities Fixed Income Securities Classified As Available For Sale FiduciaryAssetsLiabilitiesFixedIncomeSecuritiesClassifiedAsAvailableForSale	62000000	USD
CY2010	mmc	Fiduciary Assets Liabilities Fixed Income Securities Classified As Available For Sale FiduciaryAssetsLiabilitiesFixedIncomeSecuritiesClassifiedAsAvailableForSale	283000000	USD
CY2011Q4	mmc	Fiduciary Liabilities FiduciaryLiabilities	4082000000	USD
CY2010Q4	mmc	Fiduciary Liabilities FiduciaryLiabilities	3824000000	USD
CY2011Q4	mmc	Fixed Future Minimum Commitments Due Current FixedFutureMinimumCommitmentsDueCurrent	101000000	USD
CY2011Q4	mmc	Fixed Future Minimum Commitments Due In Year Five FixedFutureMinimumCommitmentsDueInYearFive	349000000	USD
CY2011Q4	mmc	Fixed Future Minimum Commitments Due In Year Four FixedFutureMinimumCommitmentsDueInYearFour	142000000	USD
CY2011Q4	mmc	Fixed Future Minimum Commitments Due In Year Three FixedFutureMinimumCommitmentsDueInYearThree	47000000	USD
CY2011Q4	mmc	Fixed Future Minimum Commitments Due In Year Two FixedFutureMinimumCommitmentsDueInYearTwo	59000000	USD
CY2010Q4	mmc	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	6823000000	USD
CY2011Q4	mmc	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	6963000000	USD
CY2009	mmc	Goodwill Impairment Charge From Discontinued Operations GoodwillImpairmentChargeFromDiscontinuedOperations	315000000	USD
CY2011Q4	mmc	Gross Rental Commitments Five Year GrossRentalCommitmentsFiveYear	236000000	USD
CY2011Q4	mmc	Gross Rental Commitments Four Year GrossRentalCommitmentsFourYear	275000000	USD
CY2011Q4	mmc	Gross Rental Commitments One Year GrossRentalCommitmentsOneYear	412000000	USD
CY2011Q4	mmc	Gross Rental Commitments Thereafter GrossRentalCommitmentsThereafter	1133000000	USD
CY2011Q4	mmc	Gross Rental Commitments Three Year GrossRentalCommitmentsThreeYear	316000000	USD
CY2011Q4	mmc	Gross Rental Commitments Two Year GrossRentalCommitmentsTwoYear	368000000	USD
CY2010	mmc	Gross Unrealized Gains During Period On Fiduciary Assets GrossUnrealizedGainsDuringPeriodOnFiduciaryAssets	7000000	USD
CY2011	mmc	Gross Unrealized Gains During Period On Fiduciary Assets GrossUnrealizedGainsDuringPeriodOnFiduciaryAssets	1000000	USD
CY2010	mmc	Gross Unrealized Losses Pre Tax During Period On Fiduciary Assets GrossUnrealizedLossesPreTaxDuringPeriodOnFiduciaryAssets	-10000000	USD
CY2011	mmc	Gross Unrealized Losses Pre Tax During Period On Fiduciary Assets GrossUnrealizedLossesPreTaxDuringPeriodOnFiduciaryAssets	-6000000	USD
CY2009	mmc	Gross Unrealized Losses Pre Tax During Period On Fiduciary Assets GrossUnrealizedLossesPreTaxDuringPeriodOnFiduciaryAssets	-7000000	USD
CY2011Q1	mmc	Interest Rate Swap For Hedging InterestRateSwapForHedging	125000000	USD
CY2011Q1	mmc	Interest Rate Swap Maturity InterestRateSwapMaturity	3.5	Years
CY2011Q1	mmc	Interest Rate Swaps Fair Value Adjustment InterestRateSwapsFairValueAdjustment	0	USD
CY2011Q4	mmc	Investments In Foreign Subsidiaries InvestmentsInForeignSubsidiaries	4100000000	USD
CY2011	mmc	Lease Obligations For Office Space LeaseObligationsForOfficeSpace	0.97
CY2010Q4	mmc	Less Cash And Investments Held In Fiduciary Capacity LessCashAndInvestmentsHeldInFiduciaryCapacity	3824000000	USD
CY2011Q4	mmc	Less Cash And Investments Held In Fiduciary Capacity LessCashAndInvestmentsHeldInFiduciaryCapacity	4082000000	USD
CY2011Q4	mmc	Liability For Errors And Omissions LiabilityForErrorsAndOmissions	468000000	USD
CY2010Q4	mmc	Liability For Errors And Omissions LiabilityForErrorsAndOmissions	430000000	USD
CY2011Q4	mmc	Long Term Investments Disclosure LongTermInvestmentsDisclosure	58000000	USD
CY2010Q4	mmc	Long Term Investments Disclosure LongTermInvestmentsDisclosure	68000000	USD
CY2011	mmc	Mmc Caps Its Share Of Health Care Trend MmcCapsItsShareOfHealthCareTrend	0.067
CY2011	mmc	Net Operating Loss Carryforwards NetOperatingLossCarryforwards	0.780
CY2010	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	0	USD
CY2009	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	0	USD
CY2011	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	62000000	USD
CY2011	mmc	Payments To Acquire Business Excluding Escrow Payment PaymentsToAcquireBusinessExcludingEscrowPayment	175000000	USD
CY2010	mmc	Payments To Acquire Business Excluding Escrow Payment PaymentsToAcquireBusinessExcludingEscrowPayment	492000000	USD
CY2009	mmc	Payments To Acquire Business Excluding Escrow Payment PaymentsToAcquireBusinessExcludingEscrowPayment	73000000	USD
CY2010Q4	mmc	Premiums Receivables At Carrying Value PremiumsReceivablesAtCarryingValue	9100000000	USD
CY2011Q4	mmc	Premiums Receivables At Carrying Value PremiumsReceivablesAtCarryingValue	9000000000	USD
CY2010	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	3000000	USD
CY2009	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	0	USD
CY2011	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	0	USD
CY2011Q4	mmc	Reinsured Policies Covered By Related Party Guarantee ReinsuredPoliciesCoveredByRelatedPartyGuarantee	40000000	GBP
CY2010	mmc	Revenue Target Period RevenueTargetPeriod	two to four years
CY2009Q4	mmc	Settlement Agreement Recognized Charge After Insurance SettlementAgreementRecognizedChargeAfterInsurance	220000000	USD
CY2010Q2	mmc	Settlement Agreement Recognized Charge After Insurance SettlementAgreementRecognizedChargeAfterInsurance	400000000	USD
CY2011	mmc	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled Or Exchanged In Period Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledOrExchangedInPeriodExercisePrice	0	shares
CY2011	mmc	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled Or Exchanged In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledOrExchangedInPeriodWeightedAverageExercisePrice	0.00
CY2011	mmc	Shares Of Common Stock Represnting Percentage Of Plan Assets SharesOfCommonStockRepresntingPercentageOfPlanAssets	0.07
CY2010	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-59000000	USD
CY2009	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-33000000	USD
CY2011	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-93000000	USD
CY2011Q4	mmc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Maximum Change SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedMaximumChange	80000000	USD
CY2011Q4	mmc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Minimum Change SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedMinimumChange	0	USD
CY2011Q3	mmc	Stock Repurchase Program Previous Authorized Amount StockRepurchaseProgramPreviousAuthorizedAmount	500000000	USD
CY2011Q4	mmc	Stockholders Equity Subtotal Before Treasury Stock StockholdersEquitySubtotalBeforeTreasuryStock	6535000000	USD
CY2010Q4	mmc	Stockholders Equity Subtotal Before Treasury Stock StockholdersEquitySubtotalBeforeTreasuryStock	6929000000	USD
CY2011Q4	mmc	Swaps Swaps	5000000	USD
CY2010Q4	mmc	Swaps Swaps	9000000	USD
CY2011	mmc	Tax Position Amount Recognized TaxPositionAmountRecognized	0.50
CY2011Q4	mmc	United Kingdom Holds Limited Partnership Interest In Trident Ii Private Equity Fund UnitedKingdomHoldsLimitedPartnershipInterestInTridentIiPrivateEquityFund	169000000	USD
CY2011	dei	Amendment Flag AmendmentFlag	false
CY2011	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2011	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2011	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2011
CY2011	dei	Document Period End Date DocumentPeriodEndDate	2011-12-31
CY2011	dei	Document Type DocumentType	10-K
CY2011	dei	Entity Central Index Key EntityCentralIndexKey	0000062709
CY2012Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	543417064	shares
CY2011	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2011	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2011Q2	dei	Entity Public Float EntityPublicFloat	16855445252	USD
CY2011	dei	Entity Registrant Name EntityRegistrantName	MARSH & MCLENNAN COMPANIES, INC.
CY2011	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2011	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2011	dei	Trading Symbol TradingSymbol	MMC

Files In Submission

Name	View Source	Status
0000062709-12-000016-index-headers.html	Edgar Link	pending
0000062709-12-000016-index.html	Edgar Link	pending
0000062709-12-000016.txt	Edgar Link	pending
0000062709-12-000016-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
formula.jpg	Edgar Link	pending
mmc-02172012ex_21.htm	Edgar Link	pending
mmc-1231201110k.htm	Edgar Link	pending
mmc-12312011ex23_1.htm	Edgar Link	pending
mmc-12312011ex_1030.htm	Edgar Link	pending
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mmc-12312011ex_321.htm	Edgar Link	pending
mmc-20111231.xml	Edgar Link	completed
mmc-20111231.xsd	Edgar Link	pending
mmc-20111231_cal.xml	Edgar Link	unprocessable
mmc-20111231_def.xml	Edgar Link	unprocessable
mmc-20111231_lab.xml	Edgar Link	unprocessable
mmc-20111231_pre.xml	Edgar Link	unprocessable
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$MMC
MARSH & MCLENNAN COMPANIES, INC. Stock $mmc

2010 Q4 Form 10-K Financial Statement

#000006270912000016 Filed on February 28, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMC MARSH & MCLENNAN COMPANIES, INC. Stock $mmc

2010 Q4 Form 10-K Financial Statement

#000006270912000016 Filed on February 28, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMC
MARSH & MCLENNAN COMPANIES, INC. Stock $mmc