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

$mmc Overview Financials Valuation SEC Filings Company Website

2012 Form 8-K Financial Statement

#000006270913000019 Filed on May 10, 2013

Income Statement

Concept	2012	2011 Q4	2011
Revenue	$11.92B	$2.908B	$11.53B
YoY Change	3.45%	4.42%	9.25%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$7.134B	$1.767B	$6.969B
YoY Change	2.37%	4.56%	7.8%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$349.0M	$82.00M	$332.0M
YoY Change	5.12%	-1.2%	14.09%
% of Gross Profit
Operating Expenses	$10.10B	$2.517B	$9.888B
YoY Change	2.09%	2.32%	2.88%
Operating Profit	$1.829B		$1.638B
YoY Change	11.66%		74.44%
Interest Expense	$181.0M	-$47.00M	$199.0M
YoY Change	-9.05%	74.07%	-14.59%
% of Operating Profit	9.9%		12.15%
Other Income/Expense, Net
YoY Change
Pretax Income	$1.696B	$344.0M	$1.404B
YoY Change	20.8%	15.44%	82.57%
Income Tax	$492.0M	$100.0M	$422.0M
% Of Pretax Income	29.01%	29.07%	30.06%
Net Earnings	$1.176B	$256.0M	$993.0M
YoY Change	18.43%	26.11%	16.14%
Net Earnings / Revenue	9.86%	8.8%	8.62%
Basic Earnings Per Share	$2.16		$1.82
Diluted Earnings Per Share	$2.13	$467.2K	$1.79
COMMON SHARES
Basic Shares Outstanding	544.0M shares	538.0M shares	542.0M shares
Diluted Shares Outstanding	552.0M shares		551.0M shares

Balance Sheet

Concept	2012	2011 Q4	2011
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.301B	$2.113B	$2.113B
YoY Change	8.9%	11.56%	11.56%
Cash & Equivalents	$2.301B	$2.113B	$2.113B
Short-Term Investments
Other Short-Term Assets	$604.0M	$253.0M	$629.0M
YoY Change	-3.97%	48.82%	81.27%
Inventory
Prepaid Expenses
Receivables	$3.058B	$2.873B	$2.873B
Other Receivables	$0.00	$33.00M	$33.00M
Total Short-Term Assets	$5.963B	$5.648B	$5.648B
YoY Change	5.58%	7.05%	7.05%
LONG-TERM ASSETS
Property, Plant & Equipment	$809.0M	$804.0M	$804.0M
YoY Change	0.62%	-2.19%	-2.19%
Goodwill		$6.562B
YoY Change		2.21%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.977B	$795.0M	$1.795B
YoY Change	10.14%	-13.49%	-24.86%
Total Long-Term Assets	$10.33B	$9.806B	$9.806B
YoY Change	5.29%	-2.27%	-2.27%
TOTAL ASSETS
Total Short-Term Assets	$5.963B	$5.648B	$5.648B
Total Long-Term Assets	$10.33B	$9.806B	$9.806B
Total Assets	$16.29B	$15.45B	$15.45B
YoY Change	5.4%	0.94%	0.94%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.721B	$2.016B	$2.016B
YoY Change	-14.63%	15.8%	15.8%
Accrued Expenses	$1.473B	$1.400B	$1.400B
YoY Change	5.21%	8.19%	8.19%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$260.0M	$0.00
YoY Change		3150.0%
Long-Term Debt Due	$260.0M	$260.0M	$260.0M
YoY Change	0.0%	3150.0%	3150.0%
Total Short-Term Liabilities	$3.564B	$3.739B	$3.739B
YoY Change	-4.68%	20.42%	20.42%
LONG-TERM LIABILITIES
Long-Term Debt	$2.658B	$2.668B	$2.668B
YoY Change	-0.37%	-11.83%	-11.83%
Other Long-Term Liabilities	$3.460B	$984.0M	$3.107B
YoY Change	11.36%	-12.38%	12.41%
Total Long-Term Liabilities	$6.118B	$984.0M	$5.775B
YoY Change	5.94%	-12.38%	-0.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.564B	$3.739B	$3.739B
Total Long-Term Liabilities	$6.118B	$984.0M	$5.775B
Total Liabilities	$9.746B	$4.723B	$9.571B
YoY Change	1.83%	11.71%	7.03%
SHAREHOLDERS EQUITY
Retained Earnings		$7.949B
YoY Change		6.9%
Common Stock		$1.717B
YoY Change		-1.66%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$595.0M
YoY Change		15.76%
Treasury Stock Shares		21.54M shares
Shareholders Equity	$6.542B	$5.883B	$5.883B
YoY Change
Total Liabilities & Shareholders Equity	$16.29B	$15.45B	$15.45B
YoY Change	5.4%	0.94%	0.94%

Cashflow Statement

Concept	2012	2011 Q4	2011
OPERATING ACTIVITIES
Net Income	$1.176B	$256.0M	$993.0M
YoY Change	18.43%	26.11%	16.14%
Depreciation, Depletion And Amortization	$349.0M	$82.00M	$332.0M
YoY Change	5.12%	-1.2%	14.09%
Cash From Operating Activities	$1.322B	$710.0M	$1.705B
YoY Change	-22.46%	5.65%	136.15%
INVESTING ACTIVITIES
Capital Expenditures	$320.0M	-$75.00M	$280.0M
YoY Change	14.29%	-3.85%	3.32%
Acquisitions	$292.0M		$237.0M
YoY Change	23.21%		-51.83%
Other Investing Activities	-$3.000M	-$109.0M	$5.000M
YoY Change	-160.0%	-46.57%	400.0%
Cash From Investing Activities	-$583.0M	-$184.0M	-$457.0M
YoY Change	27.57%	-34.75%	-185.42%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$230.0M		$361.0M
YoY Change	-36.29%		319.77%
Debt Paid & Issued, Net	$259.0M		$11.00M
YoY Change	2254.55%		-98.03%
Cash From Financing Activities	-$633.0M	-116.0M	-$1.007B
YoY Change	-37.14%	-41.71%	-10.88%
NET CHANGE
Cash From Operating Activities	$1.322B	710.0M	$1.705B
Cash From Investing Activities	-$583.0M	-184.0M	-$457.0M
Cash From Financing Activities	-$633.0M	-116.0M	-$1.007B
Net Change In Cash	$106.0M	410.0M	$241.0M
YoY Change	-56.02%	114.66%	89.76%
FREE CASH FLOW
Cash From Operating Activities	$1.322B	$710.0M	$1.705B
Capital Expenditures	$320.0M	-$75.00M	$280.0M
Free Cash Flow	$1.002B	$785.0M	$1.425B
YoY Change	-29.68%	4.67%	215.96%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2012Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	2858000000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	110000000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	63000000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1582000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1469000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3451000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3152000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-42000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	140000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3307000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt		USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3188000000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1107000000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1156000000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	165000000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	174000000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	152000000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	106000000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	105000000	USD
CY2010Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	114000000	USD
CY2009Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	107000000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	72000000	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
CY2012Q4	us-gaap	Assets Assets	16288000000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	5963000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	5648000000	USD
CY2012Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	628000000	USD
CY2011Q4	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	367000000	USD
CY2012Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	16000000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	16000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	38000000	USD
CY2012Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	46000000	USD
CY2011Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	33000000	USD
CY2010Q4	us-gaap	Business Acquisition Contingent Consideration At Fair Value BusinessAcquisitionContingentConsiderationAtFairValue	81000000	USD
CY2012Q4	us-gaap	Business Acquisition Cost Of Acquired Entity Purchase Price BusinessAcquisitionCostOfAcquiredEntityPurchasePrice	360000000	USD
CY2012Q4	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	0	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
CY2010	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.59
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	2.18
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.84
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.81
CY2010	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.57
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	2.14
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
CY2012	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	2.18
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	1.78
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	1.75
CY2012	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	2.15
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CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	21000000	USD
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CY2012Q4	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets	5000000	USD
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CY2011	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	1001000000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	1187000000	USD
CY2010	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	10839000000	USD
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CY2011	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	11778000000	USD
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CY2011Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	619000000	USD
CY2011Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	244000000	USD
CY2012Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	278000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2113000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1894000000	USD
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CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1777000000	USD
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CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	219000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	188000000	USD
CY2011	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
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CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
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CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
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CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	545000000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	539000000	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	561000000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	561000000	USD
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CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7000000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	42000000	USD
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CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	249000000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	289000000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	336000000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	320000000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	180000000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	402000000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	24000000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	21000000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	24000000	USD
CY2011Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2928000000	USD
CY2012Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2918000000	USD
CY2012Q4	us-gaap	Debtor In Possession Financing Letters Of Credit Outstanding DebtorInPossessionFinancingLettersOfCreditOutstanding	247000000	USD
CY2011Q4	us-gaap	Debtor In Possession Financing Letters Of Credit Outstanding DebtorInPossessionFinancingLettersOfCreditOutstanding	248000000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-28000000	USD
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CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	89000000	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
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	96000000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	178000000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7000000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2000000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	19000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	62000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	75000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1939000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1892000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	376000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	410000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	1205000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	1223000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	129000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	104000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	159000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	188000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1223000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1205000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	224000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	169000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	604000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	507000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	107000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	164000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	114000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	77000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	589000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	559000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	344000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	358000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	-12000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	-18000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	233000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	245000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	9000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	99000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	107000000	USD
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CY2012Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	260000000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	39000000	USD
CY2012	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.0448
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	48000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	50000000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	48000000	USD
CY2012Q4	us-gaap	Deposit Contracts Assets DepositContractsAssets	23000000	USD
CY2011Q4	us-gaap	Deposit Contracts Assets DepositContractsAssets	20000000	USD
CY2010	us-gaap	Depreciation Depreciation	291000000	USD
CY2011	us-gaap	Depreciation Depreciation	267000000	USD
CY2012	us-gaap	Depreciation Depreciation	277000000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	0	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
CY2012	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operation Net Of Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationNetOfTax		USD
CY2010	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operation Net Of Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationNetOfTax	-7000000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-2000000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	58000000	USD
CY2011	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	25000000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	-3000000	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
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 Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	36000000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	0	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-17000000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax		USD
CY2010	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	13000000	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
CY2012	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	0	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	-25000000	USD
CY2010	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	-235000000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	1000000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	0	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
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	381000000	USD
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.13
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CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	82000000	USD
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CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-22000000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	-2000000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	0	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Discontinued Operations EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations	0	USD
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.290
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CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
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CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.065
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.061
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CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.000
CY2010	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.016
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1400000000	USD
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1473000000	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
CY2012	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	179300000	USD
CY2013	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	100000000	USD
CY2012Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2011Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	61000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-194000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-46000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	254000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	311000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	275000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	251000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	263000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-1000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	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
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1430000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-44000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	3000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	27000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	14000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	30000000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	13000000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	63000000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	110000000	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	106000000	USD
CY2012Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	2237000000	USD
CY2011Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	1793000000	USD
CY2012Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	828000000	USD
CY2011Q4	us-gaap	Financial Instruments Owned Principal Investments At Fair Value FinancialInstrumentsOwnedPrincipalInvestmentsAtFairValue	780000000	USD
CY2012	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P10Y
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	345000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	265000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	182000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	67000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	45000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	50000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	61000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	64000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	666000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	814000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	401000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	469000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Thereafter FutureMinimumSubleaseRentalsSaleLeasebackTransactionsThereafter	109000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Five Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFiveYears	40000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Four Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears	42000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within One Year FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear	49000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Three Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinThreeYears	43000000	USD
CY2012Q4	us-gaap	Future Minimum Sublease Rentals Sale Leaseback Transactions Within Two Years FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinTwoYears	48000000	USD
CY2012	us-gaap	Gain Loss On Investments GainLossOnInvestments	24000000	USD
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	40000000	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	8000000	USD
CY2010	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	17000000	USD
CY2011	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-35000000	USD
CY2012	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-23000000	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		USD
CY2010	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
CY2012Q4	us-gaap	Goodwill Goodwill	6792000000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	226000000	USD
CY2011	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	124000000	USD
CY2011	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment		USD
CY2012	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	8000000	USD
CY2010	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment		USD
CY2012	us-gaap	Goodwill Other Changes GoodwillOtherChanges	-4000000	USD
CY2011	us-gaap	Goodwill Other Changes GoodwillOtherChanges	-18000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	121000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	398000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-296000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	769000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1404000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1696000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1283000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1065000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1298000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1696000000	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 Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1404000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1204000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	982000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	565000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.01
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.16
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.76
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.13
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
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	306000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	33000000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-3000000	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
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-3000000	USD
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.55
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.06
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.55
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.06
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	492000000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	422000000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	350000000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	37000000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	39000000	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
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	44000000	USD
CY2012	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	72000000	USD
CY2011	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	107000000	USD
CY2010	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-13000000	USD
CY2010	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-55000000	USD
CY2011	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	108000000	USD
CY2012	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-210000000	USD
CY2010	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-51000000	USD
CY2012	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	37000000	USD
CY2011	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	225000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	177000000	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
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	32000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	174000000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-145000000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	144000000	USD
CY2010	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	216000000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-143000000	USD
CY2012Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	0	USD
CY2012	us-gaap	Ineffectiveness On Interest Rate Fair Value Hedges Is Immaterial IneffectivenessOnInterestRateFairValueHedgesIsImmaterial	0
CY2012	us-gaap	Interest Expense InterestExpense	181000000	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
CY2012	us-gaap	Interest Paid InterestPaid	183000000	USD
CY2010	us-gaap	Interest Paid InterestPaid	232000000	USD
CY2012Q4	us-gaap	Interest Rate Fair Value Hedge Asset At Fair Value InterestRateFairValueHedgeAssetAtFairValue	6000000	USD
CY2011Q4	us-gaap	Interest Rate Fair Value Hedge Asset At Fair Value InterestRateFairValueHedgeAssetAtFairValue	7000000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	20000000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	28000000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	24000000	USD
CY2012	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	24000000	USD
CY2010	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	43000000	USD
CY2011	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	9000000	USD
CY2012Q4	us-gaap	Investments Investments	12225000000	USD
CY2011Q4	us-gaap	Investments Investments	10719000000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6969000000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	7134000000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6465000000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15454000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16288000000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3739000000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3564000000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	0	USD
CY2011Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	0	USD
CY2010Q2	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	500000000	USD
CY2012Q1	us-gaap	Loans Receivable Basis Spread On Variable Rate LoansReceivableBasisSpreadOnVariableRate	0.03726
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2658000000	USD
CY2011Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2668000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	260000000	USD
CY2011Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	260000000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2958000000	USD
CY2012Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2986000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	260000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	262000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	11000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	491000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	330000000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	57000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	64000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1130000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-633000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1007000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-583000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	535000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-457000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1705000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1322000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	722000000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	855000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	1176000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	993000000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	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
CY2012	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	380000000	USD
CY2011Q1	us-gaap	Number Of Interest Rate Derivatives Held NumberOfInterestRateDerivativesHeld	2
CY2011	us-gaap	Operating Expenses OperatingExpenses	9888000000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	10095000000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	9611000000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	939000000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1829000000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	1638000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	355000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	196000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	237000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	272000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	311000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1118000000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	430000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	421000000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	416000000	USD
CY2012	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	10000000	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
CY2012Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	1721000000	USD
CY2011Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	2016000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	194000000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	253000000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	795000000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	772000000	USD
CY2012	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	-12000000	USD
CY2010	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	-13000000	USD
CY2011	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	-13000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-431000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-235000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-901000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-217000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-111000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-388000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-31000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-34000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	-32000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	-19000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	-21000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	-19000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-1223000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-197000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-271000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-34000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	177000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-100000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	182000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-27000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-104000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-5000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-7000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	4000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-119000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-129000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-888000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	447000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	1114000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	146000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	299000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	90000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	779000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-648000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-346000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-1289000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	148000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	56000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	335000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	90000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	48000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	68000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-152000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-68000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-335000000	USD
CY2012	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	270000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	144000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	213000000	USD
CY2012	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	180000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	96000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	145000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-17000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-12000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-5000000	USD
CY2012	us-gaap	Other Restructuring Costs OtherRestructuringCosts	-1000000	USD
CY2011	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-62000000	USD
CY2010	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-91000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4000000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	3146000000	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2961000000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	2919000000	USD
CY2012Q4	us-gaap	Other Investments OtherInvestments	339000000	USD
CY2011Q4	us-gaap	Other Investments OtherInvestments	237000000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	906000000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	984000000	USD
CY2011Q4	us-gaap	Other Receivables OtherReceivables	249000000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	244000000	USD
CY2011	us-gaap	Other Restructuring Costs OtherRestructuringCosts	1000000	USD
CY2012	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-20000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3000000	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
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	230000000	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
	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	361000000	USD
CY2012	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	230000000	USD
CY2011	us-gaap	Payments For Restructuring PaymentsForRestructuring	82000000	USD
CY2012	us-gaap	Payments For Restructuring PaymentsForRestructuring	88000000	USD
CY2010	us-gaap	Payments For Restructuring PaymentsForRestructuring	189000000	USD
CY2012	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts		USD
CY2010	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts		USD
CY2011	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	672000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	480000000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	452000000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	497000000	USD
CY2011	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	160000000	USD
CY2010	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	427000000	USD
CY2012	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	230000000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	237000000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	492000000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	292000000	USD
CY2011	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4000000	USD
CY2012	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3000000	USD
CY2010	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3000000	USD
CY2012	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates		USD
CY2011	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	21000000	USD
CY2010	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	15000000	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
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	320000000	USD
CY2012	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	16000000	USD
CY2010	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders		USD
CY2011	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	11000000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2094000000	USD
CY2011Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1655000000	USD
CY2011	us-gaap	Performance Fees PerformanceFees	74000000	USD
CY2012	us-gaap	Performance Fees PerformanceFees	78000000	USD
CY2012Q4	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
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	6000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates		USD
CY2010	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	1202000000	USD
CY2012	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates		USD
CY2011	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	162000000	USD
CY2010	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	41000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	248000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	496000000	USD
CY2012	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	248000000	USD
CY2010	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6000000	USD
CY2012	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
CY2011	us-gaap	Profit Loss ProfitLoss	1015000000	USD
CY2010	us-gaap	Profit Loss ProfitLoss	871000000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	1201000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2391000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2273000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	809000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	804000000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	822000000	USD
CY2010	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	20000000	USD
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11000000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11000000	USD
CY2012Q4	us-gaap	Real Estate Investments Other RealEstateInvestmentsOther	376000000	USD
CY2011Q4	us-gaap	Real Estate Investments Other RealEstateInvestmentsOther	337000000	USD
CY2011Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	2906000000	USD
CY2012Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	3058000000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	259000000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	559000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11000000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	250000000	USD
CY2012	us-gaap	Restricted Stock Expense RestrictedStockExpense	193000000	USD
CY2010	us-gaap	Restricted Stock Expense RestrictedStockExpense	182000000	USD
CY2011	us-gaap	Restricted Stock Expense RestrictedStockExpense	197000000	USD
CY2011	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	51000000	USD
CY2012	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	78000000	USD
CY2010	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	141000000	USD
CY2012	us-gaap	Restructuring Charges RestructuringCharges	78000000	USD
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	211000000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	181000000	USD
CY2012Q4	us-gaap	Restructuring Reserve RestructuringReserve	170000000	USD
CY2009Q4	us-gaap	Restructuring Reserve RestructuringReserve	259000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	8628000000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	7949000000	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	11924000000	USD
CY2011	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	11526000000	USD
CY2010	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	10550000000	USD
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	106606000	USD
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y6M
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	0
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2012	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
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	31700	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	51700	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
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	47.31
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-20000	shares
CY2012	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	46.14
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	16115605	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	28.85
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	57700000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	500000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	23600000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	-2644296	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	-860022	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	3547733	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.04
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
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
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	186467000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	38895109	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	32045793	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.21
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.10
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	185871000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	32004297	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	29.12
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	26.01
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	42.85
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27.69
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	31.88
CY2011Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	38900000	shares
CY2012Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	32000000	shares
CY2010Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	43400000	shares
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y4M24D
CY2012	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P3Y9M18D
CY2011Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	260000000	USD
CY2012Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	260000000	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	414000000	USD
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	330000000	USD
CY2011Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	261000000	USD
CY2012Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	261000000	USD
CY2010	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	7600000	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-6892731	shares
CY2010	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	18000000	USD
CY2012	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	26000000	USD
CY2011	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	21000000	USD
CY2012	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	323000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5940000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6606000000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6415000000	USD
CY2012Q4	us-gaap	Trading Liabilities Fair Value Disclosure TradingLiabilitiesFairValueDisclosure	319000000	USD
CY2011Q4	us-gaap	Trading Liabilities Fair Value Disclosure TradingLiabilitiesFairValueDisclosure	367000000	USD
CY2012Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	2018000000	USD
CY2011Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	1739000000	USD
CY2012Q4	us-gaap	Treasury Stock Deferred Employee Stock Ownership Plan TreasuryStockDeferredEmployeeStockOwnershipPlan	375000000	USD
CY2011Q4	us-gaap	Treasury Stock Deferred Employee Stock Ownership Plan TreasuryStockDeferredEmployeeStockOwnershipPlan	366000000	USD
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15133774	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	21543833	shares
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12300000	shares
CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	6900000	shares
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	595000000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	447000000	USD
CY2012Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	318000000	USD
CY2011Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	378000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	143000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	199000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	117000000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	206000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	91000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	41000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	35000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	17000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	13000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	26000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	35000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	39000000	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
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	-6000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	40000000	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
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
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	96000000	USD
CY2012	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
CY2012	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	23000000	USD
CY2012Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	16000000	USD
CY2011Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	7000000	USD
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	544000000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	552000000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	551000000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	540000000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	544000000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	542000000	shares
CY2010	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-26000000	USD
CY2011	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-21000000	USD
CY2012	mmc	Accounts Written Off Net Of Recoveries AccountsWrittenOffNetOfRecoveries	-12000000	USD
CY2012Q4	mmc	Accumulated Other Comprehensive Income Foreign Currency Translation Adjustments Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentsPortionOfDeferredTax	9000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Foreign Currency Translation Adjustments Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentsPortionOfDeferredTax	14000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansPortionOfDeferredTax	1508000000	USD
CY2012Q4	mmc	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansPortionOfDeferredTax	1657000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Net Of Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsNetOfTax	6000000	USD
CY2012Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Net Of Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsNetOfTax	4000000	USD
CY2012Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsPortionOfDeferredTax	2000000	USD
CY2011Q4	mmc	Accumulated Other Comprehensive Income Net Unrealized Investment Gains Portion Of Deferred Tax AccumulatedOtherComprehensiveIncomeNetUnrealizedInvestmentGainsPortionOfDeferredTax	1000000	USD
CY2012Q4	mmc	Advanced Premiums And Claims Receivables AdvancedPremiumsAndClaimsReceivables	62000000	USD
CY2011Q4	mmc	Advanced Premiums And Claims Receivables AdvancedPremiumsAndClaimsReceivables	86000000	USD
CY2010	mmc	Amortization Of Intangible Assets Excluding Discontinued Operations AmortizationOfIntangibleAssetsExcludingDiscontinuedOperations	50000000	USD
CY2010Q2	mmc	Amount Covered By Insurance AmountCoveredByInsurance	100000000	USD
CY2012Q4	mmc	Business Acquisition Purchase Price Allocation Liabilities Assumed Including Equity And Affiliates BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumedIncludingEquityAndAffiliates	53000000	USD
CY2012Q4	mmc	Business Acquisition Purchase Price Allocation Other Current Assets BusinessAcquisitionPurchasePriceAllocationOtherCurrentAssets	0	USD
CY2012Q4	mmc	Cash And Cash Equivalents Continuing Operations CashAndCashEquivalentsContinuingOperations	2301000000	USD
CY2011Q4	mmc	Cash And Cash Equivalents Continuing Operations CashAndCashEquivalentsContinuingOperations	2113000000	USD
CY2012Q4	mmc	Commissions Fees Premiums Claims And Other Receivables Gross CommissionsFeesPremiumsClaimsAndOtherReceivablesGross	3164000000	USD
CY2011Q4	mmc	Commissions Fees Premiums Claims And Other Receivables Gross CommissionsFeesPremiumsClaimsAndOtherReceivablesGross	3011000000	USD
CY2011	mmc	Common Stock Dividends Equivalents Pershare Declared CommonStockDividendsEquivalentsPershareDeclared	0.86
CY2012	mmc	Common Stock Dividends Equivalents Pershare Declared CommonStockDividendsEquivalentsPershareDeclared	0.90
CY2010	mmc	Common Stock Dividends Equivalents Pershare Declared CommonStockDividendsEquivalentsPershareDeclared	0.81
CY2010	mmc	Contingent Acquisition Consideration Adjustment ContingentAcquisitionConsiderationAdjustment		USD
CY2012	mmc	Contingent Acquisition Consideration Adjustment ContingentAcquisitionConsiderationAdjustment	44000000	USD
CY2011	mmc	Contingent Acquisition Consideration Adjustment ContingentAcquisitionConsiderationAdjustment		USD
CY2012	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions	30000000	USD
CY2011	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions	16000000	USD
CY2010	mmc	Contingent Payments For Acquisitions ContingentPaymentsForAcquisitions		USD
CY2012	mmc	Contractual Term Of Stock Option Awards ContractualTermOfStockOptionAwards	P10Y
CY2012	mmc	Decrease In Fair Value Of Contigent Considertion Due To Five Percent Decrease In Projections DecreaseInFairValueOfContigentConsidertionDueToFivePercentDecreaseInProjections	20000000	USD
CY2011	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	102000000	USD
CY2012	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	90000000	USD
CY2010	mmc	Deferred Income Tax Expense Benefit Continuing Operations DeferredIncomeTaxExpenseBenefitContinuingOperations	24000000	USD
CY2011	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	-11000000	USD
CY2012	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	-59000000	USD
CY2010	mmc	Deferred Purchase Consideration From Prior Year Acquisitions DeferredPurchaseConsiderationFromPriorYearAcquisitions	-62000000	USD
CY2011Q1	mmc	Deferred Purchase Consideration Paid DeferredPurchaseConsiderationPaid	13000000	USD
CY2011Q4	mmc	Deferred Tax Liabilities Included In Other Liabilities DeferredTaxLiabilitiesIncludedInOtherLiabilities	-21000000	USD
CY2012Q4	mmc	Deferred Tax Liabilities Included In Other Liabilities DeferredTaxLiabilitiesIncludedInOtherLiabilities	-34000000	USD
CY2011Q4	mmc	Defined Contribution Plan Fair Value Of Plan Assets DefinedContributionPlanFairValueOfPlanAssets	20000000	USD
CY2012Q4	mmc	Defined Contribution Plan Fair Value Of Plan Assets DefinedContributionPlanFairValueOfPlanAssets	19000000	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
CY2012	mmc	Discontinued Subsidiary Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedSubsidiaryOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2012	mmc	Domestic Deferred Tax Assets DomesticDeferredTaxAssets	270000000	USD
CY2010	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	-79000000	USD
CY2011	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	12000000	USD
CY2012	mmc	Effect Exchange Rate Operating Cash Flows EffectExchangeRateOperatingCashFlows	35000000	USD
CY2010	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	13000000	USD
CY2011	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	1000000	USD
CY2012	mmc	Effect Of Exchange Rate Changes And Other EffectOfExchangeRateChangesAndOther	2000000	USD
CY2013Q4	mmc	Expected Fund In Non Us Pension Plans ExpectedFundInNonUSPensionPlans	623000000	USD
CY2012Q4	mmc	Expected Fund In Us Non Qualified Plan ExpectedFundInUsNonQualifiedPlan	25000000	USD
CY2012Q4	mmc	Fair Value Assets Measured On Recurring Basis Money Market Funds FairValueAssetsMeasuredOnRecurringBasisMoneyMarketFunds	483000000	USD
CY2011Q4	mmc	Fair Value Assets Measured On Recurring Basis Money Market Funds FairValueAssetsMeasuredOnRecurringBasisMoneyMarketFunds	226000000	USD
CY2012Q4	mmc	Fair Value Assets Measured On Recurring Basis Mutual Funds FairValueAssetsMeasuredOnRecurringBasisMutualFunds	139000000	USD
CY2011Q4	mmc	Fair Value Assets Measured On Recurring Basis Mutual Funds FairValueAssetsMeasuredOnRecurringBasisMutualFunds	134000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis FairValueFiduciaryAssetsMeasuredOnRecurringBasis	248000000	USD
CY2012Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis FairValueFiduciaryAssetsMeasuredOnRecurringBasis	152000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Corporate And Other Debt FairValueFiduciaryAssetsMeasuredOnRecurringBasisCorporateAndOtherDebt	2000000	USD
CY2012Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Money Market Funds FairValueFiduciaryAssetsMeasuredOnRecurringBasisMoneyMarketFunds	149000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Money Market Funds FairValueFiduciaryAssetsMeasuredOnRecurringBasisMoneyMarketFunds	186000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis Other Sovereign Government Obligations And Supranational Agencies FairValueFiduciaryAssetsMeasuredOnRecurringBasisOtherSovereignGovernmentObligationsAndSupranationalAgencies	47000000	USD
CY2012Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis State And Local Obligations FairValueFiduciaryAssetsMeasuredOnRecurringBasisStateAndLocalObligations	3000000	USD
CY2011Q4	mmc	Fair Value Fiduciary Assets Measured On Recurring Basis State And Local Obligations FairValueFiduciaryAssetsMeasuredOnRecurringBasisStateAndLocalObligations	13000000	USD
CY2012Q4	mmc	Fair Value Interest Rate Discount Rate FairValueInterestRateDiscountRate	0.016
CY2012	mmc	Fair Value Level1 To Level2 Transfers Assets Or Labilities Amount FairValueLevel1ToLevel2TransfersAssetsOrLabilitiesAmount	0	USD
CY2012	mmc	Fair Value Level2 To Level3 Transfers Assets Or Labilities Amount FairValueLevel2ToLevel3TransfersAssetsOrLabilitiesAmount	0	USD
CY2011	mmc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTranslationAdjustment	-10000000	USD
CY2012	mmc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTranslationAdjustment	-29000000	USD
CY2011Q4	mmc	Fair Value On Senior Notes FairValueOnSeniorNotes	257000000	USD
CY2012Q4	mmc	Fair Value On Senior Notes FairValueOnSeniorNotes	256000000	USD
CY2011Q4	mmc	Fiduciary Liabilities FiduciaryLiabilities	4082000000	USD
CY2012Q4	mmc	Fiduciary Liabilities FiduciaryLiabilities	3992000000	USD
CY2012Q4	mmc	Fixed Future Minimum Commitments Due Current FixedFutureMinimumCommitmentsDueCurrent	168000000	USD
CY2012Q4	mmc	Fixed Future Minimum Commitments Due In Year Five FixedFutureMinimumCommitmentsDueInYearFive	421000000	USD
CY2012Q4	mmc	Fixed Future Minimum Commitments Due In Year Four FixedFutureMinimumCommitmentsDueInYearFour	118000000	USD
CY2012Q4	mmc	Fixed Future Minimum Commitments Due In Year Three FixedFutureMinimumCommitmentsDueInYearThree	48000000	USD
CY2012Q4	mmc	Fixed Future Minimum Commitments Due In Year Two FixedFutureMinimumCommitmentsDueInYearTwo	87000000	USD
CY2012Q4	mmc	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	7261000000	USD
CY2011Q4	mmc	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	6963000000	USD
CY2012Q4	mmc	Gross Rental Commitments Five Year GrossRentalCommitmentsFiveYear	236000000	USD
CY2012Q4	mmc	Gross Rental Commitments Four Year GrossRentalCommitmentsFourYear	279000000	USD
CY2012Q4	mmc	Gross Rental Commitments One Year GrossRentalCommitmentsOneYear	404000000	USD
CY2012Q4	mmc	Gross Rental Commitments Thereafter GrossRentalCommitmentsThereafter	1227000000	USD
CY2012Q4	mmc	Gross Rental Commitments Three Year GrossRentalCommitmentsThreeYear	315000000	USD
CY2012Q4	mmc	Gross Rental Commitments Two Year GrossRentalCommitmentsTwoYear	359000000	USD
CY2012	mmc	Increase In Fair Value Of Contigent Considertion Due To Five Percent Increase In Projections IncreaseInFairValueOfContigentConsidertionDueToFivePercentIncreaseInProjections	30000000	USD
CY2011Q1	mmc	Interest Rate Swap For Hedging InterestRateSwapForHedging	125000000	USD
CY2011Q1	mmc	Interest Rate Swap Maturity InterestRateSwapMaturity	3.5	Years
CY2012Q1	mmc	Interest Rate Swaps Fair Value Adjustment InterestRateSwapsFairValueAdjustment	0	USD
CY2012Q4	mmc	Investments In Foreign Subsidiaries InvestmentsInForeignSubsidiaries	4300000000	USD
CY2012	mmc	Lease Obligations For Office Space LeaseObligationsForOfficeSpace	0.98
CY2011Q4	mmc	Less Cash And Investments Held In Fiduciary Capacity LessCashAndInvestmentsHeldInFiduciaryCapacity	4082000000	USD
CY2012Q4	mmc	Less Cash And Investments Held In Fiduciary Capacity LessCashAndInvestmentsHeldInFiduciaryCapacity	3992000000	USD
CY2011Q4	mmc	Liability For Errors And Omissions LiabilityForErrorsAndOmissions	468000000	USD
CY2012Q4	mmc	Liability For Errors And Omissions LiabilityForErrorsAndOmissions	460000000	USD
CY2012	mmc	Mmc Caps Its Share Of Health Care Trend MmcCapsItsShareOfHealthCareTrend	0.0547
CY2012Q4	mmc	Net Fiduciary Assets NetFiduciaryAssets	0	USD
CY2011Q4	mmc	Net Fiduciary Assets NetFiduciaryAssets	0	USD
CY2012	mmc	Net Operating Loss Carryforwards NetOperatingLossCarryforwards	0.73
CY2010	mmc	Operating Income Loss Adjusted OperatingIncomeLossAdjusted	0	USD
CY2012	mmc	Operating Income Loss Adjusted OperatingIncomeLossAdjusted	0	USD
CY2011	mmc	Operating Income Loss Adjusted OperatingIncomeLossAdjusted	0	USD
CY2012	mmc	Operating Income Loss Originally Reported OperatingIncomeLossOriginallyReported	1829000000	USD
CY2010	mmc	Operating Income Loss Originally Reported OperatingIncomeLossOriginallyReported	939000000	USD
CY2011	mmc	Operating Income Loss Originally Reported OperatingIncomeLossOriginallyReported	1638000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentBeforeTax	-113000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentBeforeTax	89000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentBeforeTax	-14000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentNetOfTax	-87000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentNetOfTax	71000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentNetOfTax	-11000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentTax	-26000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentTax	18000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignCurrencyTranslationAdjustmentTax	-3000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostBeforeTax	239000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostBeforeTax	110000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostBeforeTax	181000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostNetOfTax	161000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostNetOfTax	75000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostNetOfTax	126000000	USD
CY2012	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostTax	-78000000	USD
CY2010	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostTax	-35000000	USD
CY2011	mmc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Subtotal Amortization Net Prior Service Cost And Net Gain Loss Recoginzed In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansSubtotalAmortizationNetPriorServiceCostAndNetGainLossRecoginzedInNetPeriodicBenefitCostTax	-55000000	USD
CY2012	mmc	Other Pension Related Adjustments To Oci Net Of Tax OtherPensionRelatedAdjustmentsToOciNetOfTax	58000000	USD
CY2010	mmc	Other Pension Related Adjustments To Oci Net Of Tax OtherPensionRelatedAdjustmentsToOciNetOfTax	-1000000	USD
CY2011	mmc	Other Pension Related Adjustments To Oci Net Of Tax OtherPensionRelatedAdjustmentsToOciNetOfTax	7000000	USD
CY2012	mmc	Other Pension Related Adjustments To Oci Pre Tax OtherPensionRelatedAdjustmentsToOciPreTax	75000000	USD
CY2010	mmc	Other Pension Related Adjustments To Oci Pre Tax OtherPensionRelatedAdjustmentsToOciPreTax	1000000	USD
CY2011	mmc	Other Pension Related Adjustments To Oci Pre Tax OtherPensionRelatedAdjustmentsToOciPreTax	8000000	USD
CY2012	mmc	Other Pension Related Adjustments To Oci Tax OtherPensionRelatedAdjustmentsToOciTax	-17000000	USD
CY2010	mmc	Other Pension Related Adjustments To Oci Tax OtherPensionRelatedAdjustmentsToOciTax	-2000000	USD
CY2011	mmc	Other Pension Related Adjustments To Oci Tax OtherPensionRelatedAdjustmentsToOciTax	-1000000	USD
CY2012	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	0	USD
CY2011	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	62000000	USD
CY2010	mmc	Payments To Acquire Business Escrow Deposit PaymentsToAcquireBusinessEscrowDeposit	0	USD
CY2012	mmc	Payments To Acquire Business Excluding Escrow Payment PaymentsToAcquireBusinessExcludingEscrowPayment	292000000	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
CY2011Q4	mmc	Premiums Receivables At Carrying Value PremiumsReceivablesAtCarryingValue	9000000000	USD
CY2012Q4	mmc	Premiums Receivables At Carrying Value PremiumsReceivablesAtCarryingValue	9100000000	USD
CY2011	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	0	USD
CY2010	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	3000000	USD
CY2012	mmc	Reductions Due To Reclassification Of Tax Indemnifications On Sale Of Kroll ReductionsDueToReclassificationOfTaxIndemnificationsOnSaleOfKroll	0	USD
CY2012Q4	mmc	Reinsured Policies Covered By Related Party Guarantee ReinsuredPoliciesCoveredByRelatedPartyGuarantee	40000000	USD
CY2010	mmc	Sales Revenue Services Net Adjusted SalesRevenueServicesNetAdjusted	0	USD
CY2012	mmc	Sales Revenue Services Net Adjusted SalesRevenueServicesNetAdjusted	0	USD
CY2011	mmc	Sales Revenue Services Net Adjusted SalesRevenueServicesNetAdjusted	0	USD
CY2010	mmc	Sales Revenue Services Net Originally Reported SalesRevenueServicesNetOriginallyReported	10550000000	USD
CY2012	mmc	Sales Revenue Services Net Originally Reported SalesRevenueServicesNetOriginallyReported	11924000000	USD
CY2011	mmc	Sales Revenue Services Net Originally Reported SalesRevenueServicesNetOriginallyReported	11526000000	USD
CY2010Q2	mmc	Settlement Agreement Recognized Charge After Insurance SettlementAgreementRecognizedChargeAfterInsurance	400000000	USD
CY2012	mmc	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled Or Exchanged In Period Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledOrExchangedInPeriodExercisePrice	0	shares
CY2012	mmc	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled Or Exchanged In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledOrExchangedInPeriodWeightedAverageExercisePrice	0
CY2012	mmc	Shares Of Common Stock Represnting Percentage Of Plan Assets SharesOfCommonStockRepresntingPercentageOfPlanAssets	0.07
CY2012	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-97000000	USD
CY2011	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-93000000	USD
CY2010	mmc	Shares Withheld For Taxes On Vested Units SharesWithheldForTaxesOnVestedUnits	-59000000	USD
CY2012Q4	mmc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Maximum Change SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedMaximumChange	25000000	USD
CY2012Q4	mmc	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Minimum Change SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedMinimumChange	0	USD
CY2011Q4	mmc	Stockholders Equity Subtotal Before Treasury Stock StockholdersEquitySubtotalBeforeTreasuryStock	6535000000	USD
CY2012Q4	mmc	Stockholders Equity Subtotal Before Treasury Stock StockholdersEquitySubtotalBeforeTreasuryStock	7053000000	USD
CY2012Q4	mmc	Swaps Swaps	4000000	USD
CY2011Q4	mmc	Swaps Swaps	5000000	USD
CY2012	mmc	Tax Position Amount Recognized TaxPositionAmountRecognized	0.50
CY2012Q4	mmc	United Kingdom Holds Limited Partnership Interest In Trident Ii Private Equity Fund UnitedKingdomHoldsLimitedPartnershipInterestInTridentIiPrivateEquityFund	200000000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Document Type DocumentType	8-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000062709
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012	dei	Entity Registrant Name EntityRegistrantName	MARSH & MCLENNAN COMPANIES, INC.
CY2012	dei	Trading Symbol TradingSymbol	MMC

Files In Submission

Name	View Source	Status
0000062709-13-000019-index-headers.html	Edgar Link	pending
0000062709-13-000019-index.html	Edgar Link	pending
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$MMC
MARSH & MCLENNAN COMPANIES, INC. Stock $mmc

2012 Form 8-K Financial Statement

#000006270913000019 Filed on May 10, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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

2012 Form 8-K Financial Statement

#000006270913000019 Filed on May 10, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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