$IVZ
Invesco Ltd Stock $ivz

$ivz Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-K Financial Statement

#000091420813000308 Filed on February 22, 2013

Income Statement

Concept	2012 Q4	2011 Q4	2009
Revenue	$1.066B	$997.1M	$2.627B
YoY Change	6.95%	-3.05%	-20.57%
Cost Of Revenue	$350.0M	$301.8M	$693.4M
YoY Change	15.97%	-4.37%	-20.8%
Gross Profit	$716.4M	$695.3M	$1.934B
YoY Change	3.03%	-2.47%	-20.48%
Gross Profit Margin	67.18%	69.73%	73.61%
Selling, General & Admin	$488.6M	$478.2M	$232.1M
YoY Change	2.17%	-1.91%	-86.22%
% of Gross Profit	68.2%	68.78%	12.0%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$22.50M	$22.10M	$77.60M
YoY Change	1.81%	-29.39%	14.79%
% of Gross Profit	3.14%	3.18%	4.01%
Operating Expenses	$488.6M	$478.2M	$2.143B
YoY Change	2.17%	-1.91%	27.23%
Operating Profit	$227.8M	$217.1M	$484.3M
YoY Change	4.93%	-3.68%	-35.24%
Interest Expense	$1.000M	$97.70M	$64.50M
YoY Change	-98.98%	-460.52%	-4131.25%
% of Operating Profit	0.44%	45.0%	13.32%
Other Income/Expense, Net	-$29.10M	$76.60M	$7.800M
YoY Change	-137.99%	87.75%	-113.45%
Pretax Income	$172.8M	$385.9M	$357.5M
YoY Change	-55.22%	81.69%	-45.59%
Income Tax	$55.60M	$76.00M	$148.2M
% Of Pretax Income	32.18%	19.69%	41.45%
Net Earnings	$158.7M	$202.3M	$322.5M
YoY Change	-21.55%	15.47%	-33.05%
Net Earnings / Revenue	14.88%	20.29%	12.27%
Basic Earnings Per Share			$0.77
Diluted Earnings Per Share	$351.6K	$441.4K	$0.76
COMMON SHARES
Basic Shares Outstanding			417.2M shares
Diluted Shares Outstanding			423.6M shares

Balance Sheet

Concept	2012 Q4	2011 Q4	2009
SHORT-TERM ASSETS
Cash & Short-Term Investments	$836.0M	$1.110B	$790.0M
YoY Change	-24.68%	-19.39%	20.06%
Cash & Equivalents	$835.5M	$727.4M	$790.0M
Short-Term Investments
Other Short-Term Assets	$94.50M	$150.0M	$58.00M
YoY Change	-37.0%	47.35%	3.57%
Inventory
Prepaid Expenses	$50.30M	$51.20M
Receivables	$449.4M	$424.4M	$672.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.908B	$3.834B	$1.520B
YoY Change	1.92%	-10.3%	20.92%
LONG-TERM ASSETS
Property, Plant & Equipment	$349.6M	$312.8M	$221.0M
YoY Change	11.76%	14.83%	7.8%
Goodwill	$7.048B	$6.908B
YoY Change	2.03%	-1.04%
Intangibles	$1.288B	$1.323B
YoY Change	-2.65%	-1.08%
Long-Term Investments	$228.2M	$193.1M	$1.025B
YoY Change	18.18%	23.07%	-5.88%
Other Assets	$26.80M	$17.90M	$147.0M
YoY Change	49.72%	-14.35%	-0.68%
Total Long-Term Assets	$13.58B	$15.51B	$9.390B
YoY Change	-12.43%	-4.06%	10.47%
TOTAL ASSETS
Total Short-Term Assets	$3.908B	$3.834B	$1.520B
Total Long-Term Assets	$13.58B	$15.51B	$9.390B
Total Assets	$17.49B	$19.35B	$10.91B
YoY Change	-9.59%	-5.37%	11.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$287.9M	$272.6M	$516.0M
YoY Change	5.61%	-9.88%	17.54%
Accrued Expenses	$115.2M	$168.6M	$395.0M
YoY Change	-31.67%	-7.62%	-15.6%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$215.1M
YoY Change	-100.0%
Total Short-Term Liabilities	$2.713B	$2.974B	$2.277B
YoY Change	-8.79%	-8.89%	9.37%
LONG-TERM LIABILITIES
Long-Term Debt	$1.186B	$1.070B	$746.0M
YoY Change	10.88%	-18.7%	-13.46%
Other Long-Term Liabilities	$306.2M	$297.3M	$267.0M
YoY Change	2.99%	13.34%	23.04%
Total Long-Term Liabilities	$5.730B	$7.235B	$1.013B
YoY Change	-20.8%	-7.47%	-6.12%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.713B	$2.974B	$2.277B
Total Long-Term Liabilities	$5.730B	$7.235B	$1.013B
Total Liabilities	$8.443B	$10.21B	$3.997B
YoY Change	-17.3%	-7.88%	-1.72%
SHAREHOLDERS EQUITY
Retained Earnings	$2.801B	$2.413B
YoY Change	16.08%	26.72%
Common Stock	$6.239B	$6.279B
YoY Change	-0.63%	-1.29%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.383B	$1.280B
YoY Change	8.01%	29.14%
Treasury Stock Shares	59.20M shares	54.00M shares
Shareholders Equity	$8.317B	$8.119B	$6.913B
YoY Change
Total Liabilities & Shareholders Equity	$17.49B	$19.35B	$10.91B
YoY Change	-9.59%	-5.37%	11.82%

Cashflow Statement

Concept	2012 Q4	2011 Q4	2009
OPERATING ACTIVITIES
Net Income	$158.7M	$202.3M	$322.5M
YoY Change	-21.55%	15.47%	-33.05%
Depreciation, Depletion And Amortization	$22.50M	$22.10M	$77.60M
YoY Change	1.81%	-29.39%	14.79%
Cash From Operating Activities	$501.6M	$322.8M	$362.7M
YoY Change	55.39%	8624.32%	-30.98%
INVESTING ACTIVITIES
Capital Expenditures	-$30.90M	-$46.40M	$39.50M
YoY Change	-33.41%	44.1%	-146.97%
Acquisitions			$0.00
YoY Change
Other Investing Activities	-$87.00M	$40.70M	-$62.90M
YoY Change	-313.76%	-87.99%	339.86%
Cash From Investing Activities	-$117.9M	-$5.700M	-$102.4M
YoY Change	1968.42%	-101.86%	4.07%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$441.8M
YoY Change			89.13%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-428.5M	-346.8M	-$100.7M
YoY Change	23.56%	47.32%	-84.89%
NET CHANGE
Cash From Operating Activities	501.6M	322.8M	$362.7M
Cash From Investing Activities	-117.9M	-5.700M	-$102.4M
Cash From Financing Activities	-428.5M	-346.8M	-$100.7M
Net Change In Cash	-44.80M	-29.70M	$159.6M
YoY Change	50.84%	-139.65%	-166.69%
FREE CASH FLOW
Cash From Operating Activities	$501.6M	$322.8M	$362.7M
Capital Expenditures	-$30.90M	-$46.40M	$39.50M
Free Cash Flow	$532.5M	$369.2M	$323.2M
YoY Change	44.23%	928.41%	-46.98%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	287900000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	272600000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	449400000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	424400000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	77900000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	59600000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	115200000	USD
CY2011Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	168600000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	-524900000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	-523500000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	530500000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	373300000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	495500000	USD
CY2012	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P9Y
CY2011	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P8Y6M
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	6180600000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	6141000000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	117800000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	136400000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	115100000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	14800000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	12700000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	14700000	USD
CY2012	us-gaap	Advertising Revenue Cost AdvertisingRevenueCost	32200000	USD
CY2011	us-gaap	Advertising Revenue Cost AdvertisingRevenueCost	19800000	USD
CY2010	us-gaap	Advertising Revenue Cost AdvertisingRevenueCost	17900000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	42200000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29600000	USD
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5700000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
CY2012Q4	us-gaap	Assets Assets	17492400000	USD
CY2011Q4	us-gaap	Assets Assets	19347000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	3834100000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	3907600000	USD
CY2011Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1752200000	USD
CY2012Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1786600000	USD
CY2012Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	13584800000	USD
CY2011Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	15512900000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	65700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	114200000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	7000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	122100000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	63500000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	4400000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	500000	USD
CY2012Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	8400000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	2200000	USD
CY2010Q2	us-gaap	Business Acquisition Cost Of Acquired Entity Cash Paid BusinessAcquisitionCostOfAcquiredEntityCashPaid	770000000	USD
CY2010Q2	us-gaap	Business Acquisition Equity Interest Issued Or Issuable Value Assigned BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned	567800000	USD
CY2010	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	5700000	USD
CY2012	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2011	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2010	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	150000000	USD
CY2011	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	29400000	USD
CY2012	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	8200000	USD
CY2011	us-gaap	Business Exit Costs BusinessExitCosts	29400000	USD
CY2012	us-gaap	Business Exit Costs BusinessExitCosts	8200000	USD
CY2010	us-gaap	Business Exit Costs BusinessExitCosts	144300000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	727400000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	835500000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	740500000	USD
CY2008Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	762000000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-24500000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-9200000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	91000000	USD
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.6400
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.4325
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.4775
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.20
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.20
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1050000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1050000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	490400000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	490400000	shares
CY2010Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	460100000	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	441400000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	446000000	shares
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	98100000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	98100000	USD
CY2011	us-gaap	Communications Information Technology And Occupancy CommunicationsInformationTechnologyAndOccupancy	254600000	USD
CY2010	us-gaap	Communications Information Technology And Occupancy CommunicationsInformationTechnologyAndOccupancy	238400000	USD
CY2012	us-gaap	Communications Information Technology And Occupancy CommunicationsInformationTechnologyAndOccupancy	277600000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	834300000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	572800000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	607500000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	165800000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-84600000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-90700000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	738600000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	743600000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	522900000	USD
CY2009	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	274300000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	44600000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	113600000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	94400000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	108700000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	114600000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	122800000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	244500000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	177300000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	218500000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15400000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16300000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9900000	USD
CY2011Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	336000000	USD
CY2012Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	346800000	USD
CY2011Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	184400000	USD
CY2012Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	213500000	USD
CY2012Q4	us-gaap	Deferred Costs DeferredCosts	47700000	USD
CY2011Q4	us-gaap	Deferred Costs DeferredCosts	40500000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	30200000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10200000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	54100000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	11500000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	6900000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	12400000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	19700000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	27700000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	67600000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-9400000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1100000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	320400000	USD
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CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-273000000	USD
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CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	28700000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	430800000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	428000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	137500000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	140900000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	440300000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	424800000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	311400000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	274000000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	3500000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	4300000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.047
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	-5800000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	-300000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	6900000	USD
CY2012	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	300000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	340800000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	294600000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	47000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	54200000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	53200000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	96700000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	117400000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	95000000	USD
CY2011	us-gaap	Depreciation Nonproduction DepreciationNonproduction	60300000	USD
CY2012	us-gaap	Depreciation Nonproduction DepreciationNonproduction	65400000	USD
CY2010	us-gaap	Depreciation Nonproduction DepreciationNonproduction	46400000	USD
CY2011Q4	us-gaap	Derivative Assets DerivativeAssets	10800000	USD
CY2011Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	-5800000	USD
CY2010	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2011	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2012	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2010	us-gaap	Distribution And Servicing Fees DistributionAndServicingFees	645500000	USD
CY2012	us-gaap	Distribution And Servicing Fees DistributionAndServicingFees	771600000	USD
CY2011	us-gaap	Distribution And Servicing Fees DistributionAndServicingFees	780300000	USD
CY2010	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	197900000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	289000000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	220900000	USD
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.57
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	17100000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-3900000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	3000000	USD
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.315
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.317
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.092
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.097
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.1
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.03
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.033
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.061
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.007
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015
CY2010	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.012
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	74800000	USD
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	64300000	USD
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	258400000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y40D
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-52200000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-63400000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-77800000	USD
CY2012	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	15600000	USD
CY2011	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	21300000	USD
CY2010	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	26000000	USD
CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	228200000	USD
CY2011Q4	us-gaap	Equity Method Investments EquityMethodInvestments	193100000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	12700000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	14700000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	14800000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	14800000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	12700000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	14700000	USD
CY2012	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Investment Income FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome	28300000	USD
CY2011	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Investment Income FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome	24100000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	139700000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	155200000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	19000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	11200000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	11200000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11300000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13600000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1442900000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1462500000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1287700000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1322800000	USD
CY2011	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	600000	USD
CY2010	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	200000	USD
CY2012	us-gaap	Foreign Currency Transaction Loss Before Tax ForeignCurrencyTransactionLossBeforeTax	0	USD
CY2010	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	0	USD
CY2011	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	5800000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	900000	USD
CY2011	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	9400000	USD
CY2012	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	5300000	USD
CY2010	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	9900000	USD
CY2012	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2010	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2011	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	45000000	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-23500000	USD
CY2010	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2011	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	295400000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	307200000	USD
CY2010	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	262200000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	7048200000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	6907900000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	6980200000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	17300000	USD
CY2011	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	30500000	USD
CY2012Q4	us-gaap	Guarantees Fair Value Disclosure GuaranteesFairValueDisclosure	1000000	USD
CY2011Q4	us-gaap	Guarantees Fair Value Disclosure GuaranteesFairValueDisclosure	1000000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	833800000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	908100000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	859500000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	29700000	USD
CY2010	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	40200000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	30500000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	272200000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	197000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	286100000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	214400000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	172300000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	199800000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-160700000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	243000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-494300000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-113800000	USD
CY2010	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	223300000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-213400000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1322800000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1287700000	USD
CY2011	us-gaap	Interest Expense InterestExpense	61800000	USD
CY2012	us-gaap	Interest Expense InterestExpense	52300000	USD
CY2010	us-gaap	Interest Expense InterestExpense	58600000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	53500000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	52800000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	50600000	USD
CY2011	us-gaap	Investment Advisory Fees InvestmentAdvisoryFees	3138500000	USD
CY2010	us-gaap	Investment Advisory Fees InvestmentAdvisoryFees	2720900000	USD
CY2012	us-gaap	Investment Advisory Fees InvestmentAdvisoryFees	3236900000	USD
CY2010	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	10400000	USD
CY2011	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	11000000	USD
CY2012	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	9800000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1114900000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1297700000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1246200000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	8443400000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	10209400000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17492400000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	19347000000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2974400000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2713000000	USD
CY2011Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1261300000	USD
CY2012Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1158500000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	5730400000	USD
CY2011Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	7235000000	USD
CY2012Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1831000000	USD
CY2011Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1722100000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	586500000	USD
CY2012	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.01437
CY2012	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0015
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	1186000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2011Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	215100000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	599500000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	586500000	USD
CY2011Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1069600000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1186000000	USD
CY2011Q4	us-gaap	Long Term Investments LongTermInvestments	200800000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	246800000	USD
CY2011Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	16800000	USD
CY2012Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	3400000	USD
CY2012	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	800000	USD
CY2010	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	7000000	USD
CY2011	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	1000000	USD
CY2012	us-gaap	Marketing Expense MarketingExpense	103000000	USD
CY2010	us-gaap	Marketing Expense MarketingExpense	78500000	USD
CY2011	us-gaap	Marketing Expense MarketingExpense	86000000	USD
CY2009	us-gaap	Marketing Expense MarketingExpense	65300000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	1018500000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	732200000	USD
CY2011Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	257700000	USD
CY2012Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	292200000	USD
CY2011Q4	us-gaap	Municipal Debt Securities At Carrying Value MunicipalDebtSecuritiesAtCarryingValue	1100000	USD
CY2012Q4	us-gaap	Municipal Debt Securities At Carrying Value MunicipalDebtSecuritiesAtCarryingValue	1800000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1322100000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-645900000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-65900000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-337800000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	348100000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-82400000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	379200000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	819300000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	964800000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	677100000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	729700000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	465700000	USD
CY2010	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	171100000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-89800000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-107700000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	677100000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	465700000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	729700000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	465700000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	729700000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	677100000	USD
CY2011Q4	us-gaap	Noncurrent Assets NoncurrentAssets	312800000	USD
CY2010Q4	us-gaap	Noncurrent Assets NoncurrentAssets	272400000	USD
CY2012Q4	us-gaap	Noncurrent Assets NoncurrentAssets	349600000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	2897800000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	3194100000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	3305500000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	871500000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	898100000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	589900000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	-571500000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	-68500000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	-41600000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	-48500000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	-61700000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	-67600000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	-66900000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	-258300000	USD
CY2012	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	11400000	USD
CY2010	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	11400000	USD
CY2011	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	11400000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	150000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	94500000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	26800000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	17900000	USD
CY2012	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest	-14000000	USD
CY2011	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest	12200000	USD
CY2010	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest	-11500000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	6200000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-9300000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	200000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-500000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	0	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	10100000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	9900000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-12300000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1200000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1800000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-800000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	157100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-110700000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	108800000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	77300000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	145000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-48800000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	500000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	156300000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	101800000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-99100000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	18700000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-42400000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-4400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	11600000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-7000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-800000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2700000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1700000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1000000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	824700000	USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	841500000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	306200000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	297300000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	8300000	USD
CY2011	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	49000000	USD
CY2010	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	15600000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8300000	USD
CY2010	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	15600000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	49000000	USD
CY2012Q4	us-gaap	Other Postretirement Benefits Payable Current And Noncurrent OtherPostretirementBenefitsPayableCurrentAndNoncurrent	20500000	USD
CY2011	us-gaap	Performance Fees PerformanceFees	37900000	USD
CY2011	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	11200000	USD
CY2012	us-gaap	Payments For Deposits With Other Institutions PaymentsForDepositsWithOtherInstitutions	11300000	USD
CY2011Q4	us-gaap	Other Postretirement Benefits Payable Current And Noncurrent OtherPostretirementBenefitsPayableCurrentAndNoncurrent	20000000	USD
CY2011Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	500000	USD
CY2012Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	500000	USD
CY2012	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	37200000	USD
CY2010	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	26300000	USD
CY2011	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	16800000	USD
CY2012	us-gaap	Payments For Purchase Of Securities Operating Activities PaymentsForPurchaseOfSecuritiesOperatingActivities	10192500000	USD
CY2010	us-gaap	Payments For Purchase Of Securities Operating Activities PaymentsForPurchaseOfSecuritiesOperatingActivities	7093100000	USD
CY2011	us-gaap	Payments For Purchase Of Securities Operating Activities PaymentsForPurchaseOfSecuritiesOperatingActivities	10548600000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	265000000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	192200000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	436500000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	289000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	220900000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	197900000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	85900000	USD
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	33900000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	31400000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	14900000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	749600000	USD
CY2011	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	12300000	USD
CY2012	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2010	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2012	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	126000000	USD
CY2011	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	143400000	USD
CY2010	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	69400000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	99300000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	89600000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	107000000	USD
CY2012	us-gaap	Performance Fees PerformanceFees	58800000	USD
CY2010	us-gaap	Performance Fees PerformanceFees	26100000	USD
CY2011Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	51200000	USD
CY2012Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	50300000	USD
CY2012	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	5100000	USD
CY2010	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	7700000	USD
CY2011	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	14500000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	595100000	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2012	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	47500000	USD
CY2011	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-31000000	USD
CY2010	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	570000000	USD
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	64700000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	60200000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	50600000	USD
CY2010	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	42400000	USD
CY2012	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	83600000	USD
CY2011	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	64600000	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	12600000	USD
CY2012	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	600000	USD
CY2010	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2012	us-gaap	Proceeds From Sale Of Securities Operating Activities ProceedsFromSaleOfSecuritiesOperatingActivities	10185300000	USD
CY2010	us-gaap	Proceeds From Sale Of Securities Operating Activities ProceedsFromSaleOfSecuritiesOperatingActivities	7032700000	USD
CY2011	us-gaap	Proceeds From Sale Of Securities Operating Activities ProceedsFromSaleOfSecuritiesOperatingActivities	10537600000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	23000000	USD
CY2011	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12400000	USD
CY2010	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	19600000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	587300000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	622000000	USD
CY2010	us-gaap	Profit Loss ProfitLoss	636800000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	873100000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	837700000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	312800000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	349600000	USD
CY2011	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
CY2012	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	745700000	USD
CY2010	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2801300000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2413200000	USD
CY2010	us-gaap	Revenue Other Financial Services RevenueOtherFinancialServices	95200000	USD
CY2011	us-gaap	Revenue Other Financial Services RevenueOtherFinancialServices	135500000	USD
CY2012	us-gaap	Revenue Other Financial Services RevenueOtherFinancialServices	109700000	USD
CY2011	us-gaap	Revenues Revenues	4092200000	USD
CY2011	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	0	USD
CY2010	us-gaap	Revenues Revenues	3487700000	USD
CY2012	us-gaap	Revenues Revenues	4177000000	USD
CY2010	us-gaap	Revenues From External Customers RevenuesFromExternalCustomers	3487700000	USD
CY2012	us-gaap	Revenues From External Customers RevenuesFromExternalCustomers	4177000000	USD
CY2011	us-gaap	Revenues From External Customers RevenuesFromExternalCustomers	4092200000	USD
CY2012	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	0	USD
CY2010	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	0	USD
CY2012Q4	us-gaap	Security Deposit SecurityDeposit	1900000	USD
CY2011Q4	us-gaap	Security Deposit SecurityDeposit	2100000	USD
CY2011Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	81200000	USD
CY2012Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	27400000	USD
CY2011Q4	us-gaap	Separate Account Assets SeparateAccountAssets	1243500000	USD
CY2012Q4	us-gaap	Separate Account Assets SeparateAccountAssets	1153600000	USD
CY2012Q4	us-gaap	Separate Accounts Liability SeparateAccountsLiability	1153600000	USD
CY2011Q4	us-gaap	Separate Accounts Liability SeparateAccountsLiability	1243500000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	117800000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	136400000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	115100000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	19.65
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	21.43
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	19.36
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	0.00
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2010	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	19.11
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	26.34
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	24.84
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	0.00
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	0	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	20.34
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	15.24
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.25
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	22.36
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	11.25
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	12.90
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	0	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	125300000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	151600000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	207800000	USD
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	18.96
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	9.66
CY2010	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	10.01
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	11.89
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	18.68
CY2010	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	16.04
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.31
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.85
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.85
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	18500000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9200000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	19600000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	14.80
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	21.90
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	19.70
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.85
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.33
CY2010	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.70
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.08
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.99
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.85
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.31
CY2012	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	6.39
CY2012	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	9.55
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	37400000	USD
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y11M22D
CY2011Q4	us-gaap	Shares Issued SharesIssued	490400000	shares
CY2010Q4	us-gaap	Shares Issued SharesIssued	490400000	shares
CY2012Q4	us-gaap	Shares Issued SharesIssued	490400000	shares
CY2009Q4	us-gaap	Shares Issued SharesIssued	459500000	shares
CY2012	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	2100000	shares
CY2011	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	3100000	shares
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	283700000	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	363900000	USD
CY2012Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Lower Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound	0	USD
CY2012Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound	10000000	USD
CY2012	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2010	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	30900000	shares
CY2011	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2010	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	19600000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	23000000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	12400000	USD
CY2012	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	467000000	USD
CY2011	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	731900000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	8119100000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	8316800000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9137600000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9049000000	USD
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7620800000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9360900000	USD
CY2012Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	300000	USD
CY2011	us-gaap	Trading Securities Unrealized Holding Gain TradingSecuritiesUnrealizedHoldingGain	0	USD
CY2012	us-gaap	Trading Securities Unrealized Holding Gain TradingSecuritiesUnrealizedHoldingGain	19700000	USD
CY2010	us-gaap	Trading Securities Unrealized Holding Gain TradingSecuritiesUnrealizedHoldingGain	14200000	USD
CY2012	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	18200000	USD
CY2011	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	-3300000	USD
CY2011	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	2600000	USD
CY2010	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	0	USD
CY2012	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	0	USD
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	54000000	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	59200000	shares
CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	13200000	shares
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	21800000	shares
CY2010	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	11300000	shares
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1280400000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1382900000	USD
CY2010	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	240100000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	314200000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	513100000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22600000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19500000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	39000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	27100000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	500000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1200000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5200000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4300000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1400000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1800000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	13200000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3800000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	14500000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	17900000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;padding-left:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;text-align:justify;text-indent:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In preparing the financial statements, management is required to make estimates and assumptions that affect reported revenues, expenses, assets, liabilities and disclosure of contingent liabilities. The primary estimates relate to investment and debt valuation for consolidated investment products, goodwill and intangible impairment, and taxes. Use of available information and application of judgment are inherent in the formation of estimates. Actual results in the future could differ from such estimates and the differences may be material to the financial statements.</font></div></div>
CY2010	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2800000	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1800000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1500000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	463200000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	464700000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	453800000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	452300000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	462900000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	460400000	shares
CY2011Q4	ivz	Accounts Receivable Of Consolidated Investment Products AccountsReceivableOfConsolidatedInvestmentProducts	98500000	USD
CY2012Q4	ivz	Accounts Receivable Of Consolidated Investment Products AccountsReceivableOfConsolidatedInvestmentProducts	84100000	USD
CY2012Q4	ivz	Accumulated Other Comprehensive Income Loss Of Equity Method Investments AccumulatedOtherComprehensiveIncomeLossOfEquityMethodInvestments	2100000	USD
CY2011Q4	ivz	Accumulated Other Comprehensive Income Loss Of Equity Method Investments AccumulatedOtherComprehensiveIncomeLossOfEquityMethodInvestments	-4300000	USD
CY2010Q4	ivz	Accumulated Other Comprehensive Income Loss Of Equity Method Investments AccumulatedOtherComprehensiveIncomeLossOfEquityMethodInvestments	2900000	USD
CY2010Q2	ivz	Business Acquisition Equity Interest Issued Or Issuable Amount Of Shares Issued BusinessAcquisitionEquityInterestIssuedOrIssuableAmountOfSharesIssued	30900000	shares
CY2012	ivz	Business Combination Acquisition And Integration Related Costs BusinessCombinationAcquisitionAndIntegrationRelatedCosts	8200000	USD
CY2011	ivz	Business Combination Acquisition And Integration Related Costs BusinessCombinationAcquisitionAndIntegrationRelatedCosts	29400000	USD
CY2012	ivz	Callpremiumondebtextinguishment Callpremiumondebtextinguishment	23000000	USD
CY2011	ivz	Callpremiumondebtextinguishment Callpremiumondebtextinguishment	0	USD
CY2010	ivz	Callpremiumondebtextinguishment Callpremiumondebtextinguishment	0	USD
CY2011	ivz	Capital Distributed By Consolidated Investment Products CapitalDistributedByConsolidatedInvestmentProducts	172400000	USD
CY2010	ivz	Capital Distributed By Consolidated Investment Products CapitalDistributedByConsolidatedInvestmentProducts	97200000	USD
CY2012	ivz	Capital Distributed By Consolidated Investment Products CapitalDistributedByConsolidatedInvestmentProducts	277000000	USD
CY2011	ivz	Capital Invested Into Consolidated Investment Products CapitalInvestedIntoConsolidatedInvestmentProducts	37200000	USD
CY2012	ivz	Capital Invested Into Consolidated Investment Products CapitalInvestedIntoConsolidatedInvestmentProducts	20000000	USD
CY2010	ivz	Capital Invested Into Consolidated Investment Products CapitalInvestedIntoConsolidatedInvestmentProducts	24300000	USD
CY2011Q4	ivz	Cash And Cash Equivalents Of Consolidated Investment Products CashAndCashEquivalentsOfConsolidatedInvestmentProducts	382300000	USD
CY2012Q4	ivz	Cash And Cash Equivalents Of Consolidated Investment Products CashAndCashEquivalentsOfConsolidatedInvestmentProducts	287800000	USD
CY2011	ivz	Cash Investments In Time Deposits CashInvestmentsInTimeDeposits	2800000	USD
CY2012	ivz	Cash Investments In Time Deposits CashInvestmentsInTimeDeposits	7200000	USD
CY2011Q4	ivz	Cash To Facilitate Trust Operations And Customer Transactions CashToFacilitateTrustOperationsAndCustomerTransactions	2900000	USD
CY2012Q4	ivz	Cash To Facilitate Trust Operations And Customer Transactions CashToFacilitateTrustOperationsAndCustomerTransactions	3100000	USD
CY2010	ivz	Change In Accumulated Oci Of Equity Method Investments ChangeInAccumulatedOciOfEquityMethodInvestments	-2900000	USD
CY2011	ivz	Change In Accumulated Oci Of Equity Method Investments ChangeInAccumulatedOciOfEquityMethodInvestments	7200000	USD
CY2012	ivz	Change In Accumulated Oci Of Equity Method Investments ChangeInAccumulatedOciOfEquityMethodInvestments	-6400000	USD
CY2011	ivz	Change In Cash Held At Consolidated Investment Products ChangeInCashHeldAtConsolidatedInvestmentProducts	-264200000	USD
CY2010	ivz	Change In Cash Held At Consolidated Investment Products ChangeInCashHeldAtConsolidatedInvestmentProducts	336200000	USD
CY2012	ivz	Change In Cash Held At Consolidated Investment Products ChangeInCashHeldAtConsolidatedInvestmentProducts	36200000	USD
CY2010	ivz	Change In Noncontrolling Interests In Consolidated Entities Net ChangeInNoncontrollingInterestsInConsolidatedEntitiesNet	69200000	USD
CY2012	ivz	Change In Noncontrolling Interests In Consolidated Entities Net ChangeInNoncontrollingInterestsInConsolidatedEntitiesNet	284200000	USD
CY2011	ivz	Change In Noncontrolling Interests In Consolidated Entities Net ChangeInNoncontrollingInterestsInConsolidatedEntitiesNet	154400000	USD
CY2012	ivz	Charges To Other Comprehensive Income From Other Than Temporary Impairment Related To Non Credit Factors ChargesToOtherComprehensiveIncomeFromOtherThanTemporaryImpairmentRelatedToNonCreditFactors	0	USD
CY2011	ivz	Collateral Assets Default Percentage CollateralAssetsDefaultPercentage	0.01
CY2012	ivz	Collateral Assets Default Percentage CollateralAssetsDefaultPercentage	0.018
CY2012Q4	ivz	Collateralized Loan Obligations CollateralizedLoanObligations	2400000	USD
CY2012	ivz	Collateralized Loan Obligations Terms Of Arrangements Interest Rate Margin Spread High CollateralizedLoanObligationsTermsOfArrangementsInterestRateMarginSpreadHigh	0.125
CY2012	ivz	Common Shares Market Price Per Share CommonSharesMarketPricePerShare	26.09
CY2012	ivz	Company Ownership High Range CompanyOwnershipHighRange	0.50
CY2012	ivz	Company Ownership Low Range CompanyOwnershipLowRange	0.20
CY2011	ivz	Comprehensive Income Of Equity Method Investments ComprehensiveIncomeOfEquityMethodInvestments	-7200000	USD
CY2012	ivz	Comprehensive Income Of Equity Method Investments ComprehensiveIncomeOfEquityMethodInvestments	6400000	USD
CY2010	ivz	Comprehensive Income Of Equity Method Investments ComprehensiveIncomeOfEquityMethodInvestments	2900000	USD
CY2012Q4	ivz	Contingently Issuable Share Excluded ContingentlyIssuableShareExcluded	200000	shares
CY2010Q4	ivz	Contingently Issuable Share Excluded ContingentlyIssuableShareExcluded	0	shares
CY2011Q4	ivz	Contingently Issuable Share Excluded ContingentlyIssuableShareExcluded	0	shares
CY2011Q4	ivz	Corporate Equities CorporateEquities	1000000	USD
CY2012Q4	ivz	Corporate Equities CorporateEquities	1500000	USD
CY2011Q4	ivz	Corporate Stock CorporateStock	1100000	USD
CY2012Q4	ivz	Corporate Stock CorporateStock	1500000	USD
CY2012Q4	ivz	Cost Method Investments Noncurrent CostMethodInvestmentsNoncurrent	9900000	USD
CY2011Q4	ivz	Cost Method Investments Noncurrent CostMethodInvestmentsNoncurrent	7700000	USD
CY2012	ivz	Covenant Ratio Coverage Maximum Denominator CovenantRatioCoverageMaximumDenominator	1
CY2012	ivz	Covenant Ratio Coverage Maximum Numerator CovenantRatioCoverageMaximumNumerator	4
CY2012	ivz	Covenant Ratio Debt Ebitda Maximum Denominator CovenantRatioDebtEbitdaMaximumDenominator	1
CY2012	ivz	Covenant Ratio Debt Ebitda Maximum Denominator Thereafter CovenantRatioDebtEbitdaMaximumDenominatorThereafter	1
CY2012	ivz	Covenant Ratio Debt Ebitda Maximum Numerator CovenantRatioDebtEbitdaMaximumNumerator	3.25
CY2012	ivz	Covenant Ratio Debt Ebitda Maximum Numerator Thereafter CovenantRatioDebtEbitdaMaximumNumeratorThereafter	3
CY2012Q4	ivz	Cumulative Foreign Currency Translation Adjustments CumulativeForeignCurrencyTranslationAdjustments	598600000	USD
CY2011Q4	ivz	Cumulative Foreign Currency Translation Adjustments CumulativeForeignCurrencyTranslationAdjustments	452700000	USD
CY2010Q4	ivz	Cumulative Foreign Currency Translation Adjustments CumulativeForeignCurrencyTranslationAdjustments	524600000	USD
CY2010	ivz	Currency Translation Differences On Investments In Overseas Subsidiaries Reclassified To Appropriated Retained Earnings CurrencyTranslationDifferencesOnInvestmentsInOverseasSubsidiariesReclassifiedToAppropriatedRetainedEarnings		USD
CY2012	ivz	Currency Translation Differences On Investments In Overseas Subsidiaries Reclassified To Appropriated Retained Earnings CurrencyTranslationDifferencesOnInvestmentsInOverseasSubsidiariesReclassifiedToAppropriatedRetainedEarnings		USD
CY2011	ivz	Currency Translation Differences On Investments In Overseas Subsidiaries Reclassified To Appropriated Retained Earnings CurrencyTranslationDifferencesOnInvestmentsInOverseasSubsidiariesReclassifiedToAppropriatedRetainedEarnings		USD
CY2012Q4	ivz	Current Assets Fair Value Disclosure CurrentAssetsFairValueDisclosure	1777900000	USD
CY2011Q2	ivz	Debt Instrument Due Date DebtInstrumentDueDate	June 3, 2016
CY2012	ivz	Deconsolidation Of Consolidated Investment Products DeconsolidationOfConsolidatedInvestmentProducts	116900000	USD
CY2012	ivz	Global Sales Tax Reversed GlobalSalesTaxReversed	20800000	USD
CY2012	ivz	Goodwill Translation And Other Adjustments GoodwillTranslationAndOtherAdjustments	123000000	USD
CY2011	ivz	Goodwill Translation And Other Adjustments GoodwillTranslationAndOtherAdjustments	-102800000	USD
CY2012	ivz	Effective Income Tax Rate Reconciliation Change In Valuation Allowance For Unrecognized Tax Losses EffectiveIncomeTaxRateReconciliationChangeInValuationAllowanceForUnrecognizedTaxLosses	0.007
CY2011	ivz	Effective Income Tax Rate Reconciliation Change In Valuation Allowance For Unrecognized Tax Losses EffectiveIncomeTaxRateReconciliationChangeInValuationAllowanceForUnrecognizedTaxLosses	0.015
CY2010	ivz	Effective Income Tax Rate Reconciliation Change In Valuation Allowance For Unrecognized Tax Losses EffectiveIncomeTaxRateReconciliationChangeInValuationAllowanceForUnrecognizedTaxLosses	0.023
CY2010Q4	ivz	Employee Benefit Plan Liability Adjustments EmployeeBenefitPlanLiabilityAdjustments	55800000	USD
CY2012Q4	ivz	Employee Benefit Plan Liability Adjustments EmployeeBenefitPlanLiabilityAdjustments	102600000	USD
CY2011Q4	ivz	Employee Benefit Plan Liability Adjustments EmployeeBenefitPlanLiabilityAdjustments	98200000	USD
CY2012Q4	ivz	European Sub Group Cash And Cash Equivalent EuropeanSubGroupCashAndCashEquivalent	528300000	USD
CY2011Q4	ivz	European Sub Group Cash And Cash Equivalent EuropeanSubGroupCashAndCashEquivalent	440000000	USD
CY2010Q4	ivz	Exercise Price Of Outstanding Options Weighted Average Anti Dilutive ExercisePriceOfOutstandingOptionsWeightedAverageAntiDilutive	19.47
CY2011Q4	ivz	Exercise Price Of Outstanding Options Weighted Average Anti Dilutive ExercisePriceOfOutstandingOptionsWeightedAverageAntiDilutive	18.11
CY2012	ivz	Fair Value Of Recognized Acquired Assets FairValueOfRecognizedAcquiredAssets	1
CY2011	ivz	Fair Value Of Shares Withheld FairValueOfSharesWithheld	76600000	USD
CY2012	ivz	Fair Value Of Shares Withheld FairValueOfSharesWithheld	48900000	USD
CY2012Q4	ivz	Foreign Time Deposits ForeignTimeDeposits	31300000	USD
CY2011Q4	ivz	Foreign Time Deposits ForeignTimeDeposits	32200000	USD
CY2012	ivz	Gain On Sale Of Clo Management Contracts GainOnSaleOfCloManagementContracts	8300000	USD
CY2010	ivz	Gain On Sale Of Clo Management Contracts GainOnSaleOfCloManagementContracts	0	USD
CY2011	ivz	Gain On Sale Of Clo Management Contracts GainOnSaleOfCloManagementContracts	0	USD
CY2012	ivz	Gains And Losses Of Consolidated Investment Products Net GainsAndLossesOfConsolidatedInvestmentProductsNet	-97700000	USD
CY2011	ivz	Gains And Losses Of Consolidated Investment Products Net GainsAndLossesOfConsolidatedInvestmentProductsNet	-138900000	USD
CY2010	ivz	Gains And Losses Of Consolidated Investment Products Net GainsAndLossesOfConsolidatedInvestmentProductsNet	114000000	USD
CY2012	ivz	Non Controlling Interest In Acquisitions NonControllingInterestInAcquisitions	1
CY2012Q4	ivz	Non Us Cash And Cash Equivalents NonUSCashAndCashEquivalents	662900000	USD
CY2011Q4	ivz	Non Us Cash And Cash Equivalents NonUSCashAndCashEquivalents	551800000	USD
CY2012	ivz	Notes Issued By Collateralized Loan Obligations Cumulative Average Default Rate Range Maximum NotesIssuedByCollateralizedLoanObligationsCumulativeAverageDefaultRateRangeMaximum	0.05
CY2012	ivz	Notes Issued By Collateralized Loan Obligations Cumulative Average Default Rate Range Minimum NotesIssuedByCollateralizedLoanObligationsCumulativeAverageDefaultRateRangeMinimum	0.01
CY2012	ivz	Notes Issued By Collateralized Loan Obligations Terms Of Arrangements Interest Rate Margin Spread High NotesIssuedByCollateralizedLoanObligationsTermsOfArrangementsInterestRateMarginSpreadHigh	0.071
CY2012	ivz	Notes Issued By Collateralized Loan Obligations Terms Of Arrangements Interest Rate Margin Spread Low NotesIssuedByCollateralizedLoanObligationsTermsOfArrangementsInterestRateMarginSpreadLow	0.0021
CY2011	ivz	Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income ReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	-100000	USD
CY2010	ivz	Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income ReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	-1600000	USD
CY2010	ivz	Income Tax Benefit From Share Based Compensation Agreements IncomeTaxBenefitFromShareBasedCompensationAgreements	35000000	USD
CY2012	ivz	Income Tax Benefit From Share Based Compensation Agreements IncomeTaxBenefitFromShareBasedCompensationAgreements	39100000	USD
CY2011	ivz	Income Tax Benefit From Share Based Compensation Agreements IncomeTaxBenefitFromShareBasedCompensationAgreements	32500000	USD
CY2010	ivz	Increase In Equity Due To Business Combination IncreaseInEquityDueToBusinessCombination	1082200000	USD
CY2010	ivz	Interest Expense Including Interest Expense Of Consolidated Investment Products InterestExpenseIncludingInterestExpenseOfConsolidatedInvestmentProducts	177200000	USD
CY2012	ivz	Interest Expense Including Interest Expense Of Consolidated Investment Products InterestExpenseIncludingInterestExpenseOfConsolidatedInvestmentProducts	220600000	USD
CY2011	ivz	Interest Expense Including Interest Expense Of Consolidated Investment Products InterestExpenseIncludingInterestExpenseOfConsolidatedInvestmentProducts	248800000	USD
CY2011	ivz	Interest Expense Of Consolidated Investment Products InterestExpenseOfConsolidatedInvestmentProducts	187000000	USD
CY2010	ivz	Interest Expense Of Consolidated Investment Products InterestExpenseOfConsolidatedInvestmentProducts	118600000	USD
CY2012	ivz	Interest Expense Of Consolidated Investment Products InterestExpenseOfConsolidatedInvestmentProducts	168300000	USD
CY2012	ivz	Interest Income Of Consolidated Investment Products InterestIncomeOfConsolidatedInvestmentProducts	258500000	USD
CY2010	ivz	Interest Income Of Consolidated Investment Products InterestIncomeOfConsolidatedInvestmentProducts	240900000	USD
CY2011	ivz	Interest Income Of Consolidated Investment Products InterestIncomeOfConsolidatedInvestmentProducts	307200000	USD
CY2010	ivz	Investment Income Interest Including Interest Income Of Consolidated Investment Products InvestmentIncomeInterestIncludingInterestIncomeOfConsolidatedInvestmentProducts	251300000	USD
CY2012	ivz	Investment Income Interest Including Interest Income Of Consolidated Investment Products InvestmentIncomeInterestIncludingInterestIncomeOfConsolidatedInvestmentProducts	268300000	USD
CY2011	ivz	Investment Income Interest Including Interest Income Of Consolidated Investment Products InvestmentIncomeInterestIncludingInterestIncomeOfConsolidatedInvestmentProducts	318200000	USD
CY2012Q4	ivz	Investments Of Consolidated Investment Products InvestmentsOfConsolidatedInvestmentProducts	4550600000	USD
CY2011Q4	ivz	Investments Of Consolidated Investment Products InvestmentsOfConsolidatedInvestmentProducts	6629000000	USD
CY2012	ivz	Letters Of Credit Renewable Term LettersOfCreditRenewableTerm	P1Y
CY2012	ivz	Line Of Credit Maturity Term LineOfCreditMaturityTerm	P5Y
CY2012Q4	ivz	Long Term Debt Of Consolidated Investment Products LongTermDebtOfConsolidatedInvestmentProducts	3899400000	USD
CY2011Q4	ivz	Long Term Debt Of Consolidated Investment Products LongTermDebtOfConsolidatedInvestmentProducts	5512900000	USD
CY2012	ivz	Margin For Base Rate Loans Percentage MarginForBaseRateLoansPercentage	0.0010
CY2012	ivz	Margin For Libor Base Loans Percentage MarginForLiborBaseLoansPercentage	0.0110
CY2010	ivz	Net Foreign Exchange Gains Before Tax NetForeignExchangeGainsBeforeTax	0	USD
CY2012	ivz	Net Foreign Exchange Gains Before Tax NetForeignExchangeGainsBeforeTax	300000	USD
CY2011	ivz	Net Foreign Exchange Gains Before Tax NetForeignExchangeGainsBeforeTax	0	USD
CY2010	ivz	Net Income Reclassified To Appropriated Retained Earnings NetIncomeReclassifiedToAppropriatedRetainedEarnings		USD
CY2012	ivz	Net Income Reclassified To Appropriated Retained Earnings NetIncomeReclassifiedToAppropriatedRetainedEarnings		USD
CY2011	ivz	Net Income Reclassified To Appropriated Retained Earnings NetIncomeReclassifiedToAppropriatedRetainedEarnings		USD
CY2011	ivz	Net Realized Gains Losses Transferred From Other Comprehensive Income NetRealizedGainsLossesTransferredFromOtherComprehensiveIncome	8200000	USD
CY2010	ivz	Net Realized Gains Losses Transferred From Other Comprehensive Income NetRealizedGainsLossesTransferredFromOtherComprehensiveIncome	8600000	USD
CY2012	ivz	Net Realized Gains Losses Transferred From Other Comprehensive Income NetRealizedGainsLossesTransferredFromOtherComprehensiveIncome	4700000	USD
CY2012Q4	ivz	Net Unrealized Gains Losses On Available For Sale Investments NetUnrealizedGainsLossesOnAvailableForSaleInvestments	-7900000	USD
CY2010Q4	ivz	Net Unrealized Gains Losses On Available For Sale Investments NetUnrealizedGainsLossesOnAvailableForSaleInvestments	-10100000	USD
CY2011Q4	ivz	Net Unrealized Gains Losses On Available For Sale Investments NetUnrealizedGainsLossesOnAvailableForSaleInvestments	2200000	USD
CY2012Q4	ivz	Other Current Liabilities Of Consolidated Investment Products OtherCurrentLiabilitiesOfConsolidatedInvestmentProducts	104300000	USD
CY2011Q4	ivz	Number Of Futures Contracts NumberOfFuturesContracts	10
CY2012Q4	ivz	Number Of Futures Contracts NumberOfFuturesContracts	10
CY2012	ivz	Number Of Investment Trusts Entered Into Contingent Support Agreements NumberOfInvestmentTrustsEnteredIntoContingentSupportAgreements	2
CY2012	ivz	Number Of Share Awards By Type NumberOfShareAwardsByType	2	awards
CY2012	ivz	Number Of Share Option Plans NumberOfShareOptionPlans	2	plans
CY2012	ivz	Number Of Trusts Entered Into Contingent Support Agreements NumberOfTrustsEnteredIntoContingentSupportAgreements	2	trusts
CY2011Q4	ivz	Other Current Liabilities Of Consolidated Investment Products OtherCurrentLiabilitiesOfConsolidatedInvestmentProducts	175100000	USD
CY2012Q4	ivz	Other Debt Securities OtherDebtSecurities	6300000	USD
CY2011	ivz	Proceeds From Returns Of Capital And Distributions From Equity Method Investments ProceedsFromReturnsOfCapitalAndDistributionsFromEquityMethodInvestments	36600000	USD
CY2010	ivz	Proceeds From Sale Of Investments By Consolidated Investment Products ProceedsFromSaleOfInvestmentsByConsolidatedInvestmentProducts	2866300000	USD
CY2011	ivz	Operating Leases Expense OperatingLeasesExpense	64200000	USD
CY2012	ivz	Operating Leases Expense OperatingLeasesExpense	67400000	USD
CY2010	ivz	Operating Leases Expense OperatingLeasesExpense	60100000	USD
CY2012Q4	ivz	Operating Leases Future Minimum Payments Due Net OperatingLeasesFutureMinimumPaymentsDueNet	-529900000	USD
CY2011Q4	ivz	Other Current Cost Method Investments OtherCurrentCostMethodInvestments	500000	USD
CY2012Q4	ivz	Other Current Cost Method Investments OtherCurrentCostMethodInvestments	500000	USD
CY2011Q4	ivz	Other Non Current Cost Method Investments OtherNonCurrentCostMethodInvestments	7700000	USD
CY2012Q4	ivz	Other Non Current Cost Method Investments OtherNonCurrentCostMethodInvestments	9900000	USD
CY2011	ivz	Other Nonoperating Gains OtherNonoperatingGains	54400000	USD
CY2010	ivz	Other Nonoperating Gains OtherNonoperatingGains	24100000	USD
CY2012	ivz	Other Nonoperating Gains OtherNonoperatingGains	37700000	USD
CY2010	ivz	Other Nonoperating Income Expense Excluding Interest OtherNonoperatingIncomeExpenseExcludingInterest	129600000	USD
CY2012	ivz	Other Nonoperating Income Expense Excluding Interest OtherNonoperatingIncomeExpenseExcludingInterest	-89400000	USD
CY2011	ivz	Other Nonoperating Income Expense Excluding Interest OtherNonoperatingIncomeExpenseExcludingInterest	-89900000	USD
CY2010	ivz	Other Nonoperating Losses OtherNonoperatingLosses	8500000	USD
CY2012	ivz	Other Nonoperating Losses OtherNonoperatingLosses	29400000	USD
CY2011	ivz	Other Nonoperating Losses OtherNonoperatingLosses	5400000	USD
CY2010	ivz	Other Realized Gains OtherRealizedGains	0	USD
CY2012	ivz	Other Realized Gains OtherRealizedGains	4100000	USD
CY2011	ivz	Other Realized Gains OtherRealizedGains	0	USD
CY2011	ivz	Other Realized Losses OtherRealizedLosses	1200000	USD
CY2010	ivz	Other Realized Losses OtherRealizedLosses	1300000	USD
CY2012	ivz	Other Realized Losses OtherRealizedLosses	5100000	USD
CY2012Q4	ivz	Other Stockholders Equity OtherStockholdersEquity	8188000000	USD
CY2011Q4	ivz	Other Stockholders Equity OtherStockholdersEquity	7784800000	USD
CY2011	ivz	Outstanding Balance On Notes Issued By Consolidated Clos In Excess Of Fair Value OutstandingBalanceOnNotesIssuedByConsolidatedClosInExcessOfFairValue	1000000000	USD
CY2012	ivz	Outstanding Balance On Notes Issued By Consolidated Clos In Excess Of Fair Value OutstandingBalanceOnNotesIssuedByConsolidatedClosInExcessOfFairValue	300000000	USD
CY2012	ivz	Percentage Of Excess In Projected Benefit Obligation And Fair Value Assets To Be Amortized PercentageOfExcessInProjectedBenefitObligationAndFairValueAssetsToBeAmortized	0.1
CY2012	ivz	Percentage Of Vie Partnership Investment Products Owned PercentageOfViePartnershipInvestmentProductsOwned	0.01
CY2012	ivz	Prescription Drug Benefit Subsidy Maximum Claim PrescriptionDrugBenefitSubsidyMaximumClaim	6600	USD
CY2012	ivz	Prescription Drug Benefit Subsidy Minimum Claim PrescriptionDrugBenefitSubsidyMinimumClaim	325	USD
CY2012	ivz	Prescription Drug Benefit Subsidy Percentage PrescriptionDrugBenefitSubsidyPercentage	0.28
CY2010	ivz	Proceeds From Returns Of Capital And Distributions From Equity Method Investments ProceedsFromReturnsOfCapitalAndDistributionsFromEquityMethodInvestments	25300000	USD
CY2012	ivz	Proceeds From Returns Of Capital And Distributions From Equity Method Investments ProceedsFromReturnsOfCapitalAndDistributionsFromEquityMethodInvestments	20000000	USD
CY2012	ivz	Proceeds From Sale Of Investments By Consolidated Investment Products ProceedsFromSaleOfInvestmentsByConsolidatedInvestmentProducts	3346800000	USD
CY2011	ivz	Proceeds From Sale Of Investments By Consolidated Investment Products ProceedsFromSaleOfInvestmentsByConsolidatedInvestmentProducts	3479000000	USD
CY2011	ivz	Purchase Of Investments By Consolidated Investment Products PurchaseOfInvestmentsByConsolidatedInvestmentProducts	2991400000	USD
CY2012	ivz	Purchase Of Investments By Consolidated Investment Products PurchaseOfInvestmentsByConsolidatedInvestmentProducts	3252000000	USD
CY2010	ivz	Purchase Of Investments By Consolidated Investment Products PurchaseOfInvestmentsByConsolidatedInvestmentProducts	2367700000	USD
CY2010	ivz	Third Party Distribution Service And Advisory ThirdPartyDistributionServiceAndAdvisory	1053800000	USD
CY2011	ivz	Third Party Distribution Service And Advisory ThirdPartyDistributionServiceAndAdvisory	1282500000	USD
CY2012	ivz	Third Party Distribution Service And Advisory ThirdPartyDistributionServiceAndAdvisory	1311800000	USD
CY2009	ivz	Third Party Distribution Service And Advisory ThirdPartyDistributionServiceAndAdvisory	737000000	USD
CY2012Q4	ivz	Tax On Employee Benefit Plan Liability Adjustments TaxOnEmployeeBenefitPlanLiabilityAdjustments	-23200000	USD
CY2011	ivz	Tax On Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income TaxOnReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	100000	USD
CY2010	ivz	Tax On Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income TaxOnReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	1900000	USD
CY2012	ivz	Tax On Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income TaxOnReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	-200000	USD
CY2012Q4	ivz	Tax On Unrealized Losses Gains On Available For Sale Investments TaxOnUnrealizedLossesGainsOnAvailableForSaleInvestments	1800000	USD
CY2010Q4	ivz	Tax On Unrealized Losses Gains On Available For Sale Investments TaxOnUnrealizedLossesGainsOnAvailableForSaleInvestments	2400000	USD
CY2012	ivz	Reclassification Adjustments For Net Gains And Losses On Available For Sale Investments Included In Net Income ReclassificationAdjustmentsForNetGainsAndLossesOnAvailableForSaleInvestmentsIncludedInNetIncome	-3900000	USD
CY2010	ivz	Total Transaction And Integration Charges TotalTransactionAndIntegrationCharges	150000000	USD
CY2011	ivz	Total Transaction And Integration Charges TotalTransactionAndIntegrationCharges	29400000	USD
CY2012	ivz	Total Transaction And Integration Charges TotalTransactionAndIntegrationCharges	8200000	USD
CY2012	ivz	Transaction And Integration Charges Net Of Tax TransactionAndIntegrationChargesNetOfTax	5100000	USD
CY2011	ivz	Transaction And Integration Charges Net Of Tax TransactionAndIntegrationChargesNetOfTax	18200000	USD
CY2012	ivz	Recognized Expense For Employee Stock Purchase RecognizedExpenseForEmployeeStockPurchase	300000	USD
CY2012	ivz	Recognized Liabilities Acquired RecognizedLiabilitiesAcquired	1
CY2010	ivz	Repayments Of Consolidated Investment Products RepaymentsOfConsolidatedInvestmentProducts	207300000	USD
CY2011	ivz	Repayments Of Consolidated Investment Products RepaymentsOfConsolidatedInvestmentProducts	513300000	USD
CY2012	ivz	Repayments Of Consolidated Investment Products RepaymentsOfConsolidatedInvestmentProducts	-232500000	USD
CY2012Q4	ivz	Reporting Units For Goodwill ReportingUnitsForGoodwill	1	reporting_units
CY2011Q4	ivz	Retained Earnings Accumulated Deficit Appropriated For Investors In Consolidated Investment Products RetainedEarningsAccumulatedDeficitAppropriatedForInvestorsInConsolidatedInvestmentProducts	334300000	USD
CY2012Q4	ivz	Retained Earnings Accumulated Deficit Appropriated For Investors In Consolidated Investment Products RetainedEarningsAccumulatedDeficitAppropriatedForInvestorsInConsolidatedInvestmentProducts	128800000	USD
CY2011	ivz	Sale Of Management Contracts SaleOfManagementContracts	0	USD
CY2010	ivz	Sale Of Management Contracts SaleOfManagementContracts	0	USD
CY2012	ivz	Sale Of Management Contracts SaleOfManagementContracts	16400000	USD
CY2010Q4	ivz	Tax On Cumulative Foreign Currency Translation Adjustments TaxOnCumulativeForeignCurrencyTranslationAdjustments	-2000000	USD
CY2010Q4	ivz	Tax On Employee Benefit Plan Liability Adjustments TaxOnEmployeeBenefitPlanLiabilityAdjustments	-14100000	USD
CY2011Q4	ivz	Tax On Employee Benefit Plan Liability Adjustments TaxOnEmployeeBenefitPlanLiabilityAdjustments	-23400000	USD
CY2010	ivz	Transaction And Integration Charges Net Of Tax TransactionAndIntegrationChargesNetOfTax	103100000	USD
CY2012Q4	ivz	Security Deposit Assets And Receivables SecurityDepositAssetsAndReceivables	27400000	USD
CY2011Q4	ivz	Security Deposit Assets And Receivables SecurityDepositAssetsAndReceivables	81200000	USD
CY2011	ivz	Security Deposit Assets Receivable Description Of Interest Rate SecurityDepositAssetsReceivableDescriptionOfInterestRate	.001
CY2012	ivz	Security Deposit Assets Receivable Description Of Interest Rate SecurityDepositAssetsReceivableDescriptionOfInterestRate	.001
CY2011	ivz	Seed Money SeedMoney	63500000	USD
CY2012	ivz	Seed Money SeedMoney	113400000	USD
CY2012	ivz	Share Based Compensation Arrangement By Share Based Payment Award Share Units Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardShareUnitsOutstandingWeightedAverageRemainingContractualTerm	1.41	years
CY2012	ivz	Share Based Payment Estimated Forfeitures Percentage ShareBasedPaymentEstimatedForfeituresPercentage	0.05
CY2012	ivz	Share Options Expiration Date ShareOptionsExpirationDate	10	years
CY2012	ivz	Short Term Debt Letters Of Credit ShortTermDebtLettersOfCredit	35500000	USD
CY2012	ivz	Stock Price StockPrice	26.09	USD
CY2011	ivz	Stock Price StockPrice	20.09	USD
CY2010	ivz	Tax Benefit Realized From Share Based Payment Awards TaxBenefitRealizedFromShareBasedPaymentAwards	4100000	USD
CY2012	ivz	Tax Benefit Realized From Share Based Payment Awards TaxBenefitRealizedFromShareBasedPaymentAwards	5400000	USD
CY2011	ivz	Tax Benefit Realized From Share Based Payment Awards TaxBenefitRealizedFromShareBasedPaymentAwards	3500000	USD
CY2011Q4	ivz	Tax On Cumulative Foreign Currency Translation Adjustments TaxOnCumulativeForeignCurrencyTranslationAdjustments	-2500000	USD
CY2012Q4	ivz	Tax On Cumulative Foreign Currency Translation Adjustments TaxOnCumulativeForeignCurrencyTranslationAdjustments	-3100000	USD
CY2011Q4	ivz	Tax On Unrealized Losses Gains On Available For Sale Investments TaxOnUnrealizedLossesGainsOnAvailableForSaleInvestments	600000	USD
CY2012Q4	ivz	Unsettled Fund Receivables UnsettledFundReceivables	550100000	USD
CY2011Q4	ivz	Treasury Shares Held As Unvested Restricted Stock Awards TreasurySharesHeldAsUnvestedRestrictedStockAwards	9600000	shares
CY2012Q4	ivz	Treasury Shares Held As Unvested Restricted Stock Awards TreasurySharesHeldAsUnvestedRestrictedStockAwards	10200000	shares
CY2012	ivz	Treasury Stock Common Shares Aggregate Market Value TreasuryStockCommonSharesAggregateMarketValue	1500000000	USD
CY2011	ivz	Treasury Stock Common Shares Distributed TreasuryStockCommonSharesDistributed	9600000	shares
CY2010	ivz	Treasury Stock Common Shares Distributed TreasuryStockCommonSharesDistributed	7000000	shares
CY2012	ivz	Treasury Stock Common Shares Distributed TreasuryStockCommonSharesDistributed	6300000	shares
CY2011	ivz	Treasury Stock Common Shares Distributed To Meet Option Exercises TreasuryStockCommonSharesDistributedToMeetOptionExercises	900000	shares
CY2010	ivz	Treasury Stock Common Shares Distributed To Meet Option Exercises TreasuryStockCommonSharesDistributedToMeetOptionExercises	1800000	shares
CY2012	ivz	Treasury Stock Common Shares Distributed To Meet Option Exercises TreasuryStockCommonSharesDistributedToMeetOptionExercises	1700000	shares
CY2009Q4	ivz	Treasury Stock Held Including Shares For Unvested Restricted Stock Awards TreasuryStockHeldIncludingSharesForUnvestedRestrictedStockAwards	40200000	shares
CY2010Q4	ivz	Treasury Stock Held Including Shares For Unvested Restricted Stock Awards TreasuryStockHeldIncludingSharesForUnvestedRestrictedStockAwards	42700000	shares
CY2011Q4	ivz	Treasury Stock Held Including Shares For Unvested Restricted Stock Awards TreasuryStockHeldIncludingSharesForUnvestedRestrictedStockAwards	54000000	shares
CY2012Q4	ivz	Treasury Stock Held Including Shares For Unvested Restricted Stock Awards TreasuryStockHeldIncludingSharesForUnvestedRestrictedStockAwards	59200000	shares
CY2012Q4	ivz	Treasury Stock Shares Acquired Net Of Shares Witheld For Vesting Events TreasuryStockSharesAcquiredNetOfSharesWitheldForVestingEvents	3000000	shares
CY2011	ivz	Treasury Stock Shares Acquired Net Of Shares Witheld For Vesting Events TreasuryStockSharesAcquiredNetOfSharesWitheldForVestingEvents	18800000	shares
CY2012	ivz	Treasury Stock Shares Acquired Net Of Shares Witheld For Vesting Events TreasuryStockSharesAcquiredNetOfSharesWitheldForVestingEvents	11100000	shares
CY2012Q4	ivz	Treasury Stock Shares For Which Dividend And Voting Rights Do Not Apply TreasuryStockSharesForWhichDividendAndVotingRightsDoNotApply	49000000	shares
CY2010Q4	ivz	Treasury Stock Shares For Which Dividend And Voting Rights Do Not Apply TreasuryStockSharesForWhichDividendAndVotingRightsDoNotApply	30300000	shares
CY2011Q4	ivz	Treasury Stock Shares For Which Dividend And Voting Rights Do Not Apply TreasuryStockSharesForWhichDividendAndVotingRightsDoNotApply	44400000	shares
CY2012	ivz	Treasury Stock Value Acquired Cost Method Net Of Shares Withheld For Vesting Events TreasuryStockValueAcquiredCostMethodNetOfSharesWithheldForVestingEvents	265000000	USD
CY2011	ivz	Treasury Stock Value Acquired Cost Method Net Of Shares Withheld For Vesting Events TreasuryStockValueAcquiredCostMethodNetOfSharesWithheldForVestingEvents	436500000	USD
CY2012Q4	ivz	Treasury Stock Value Acquired Cost Method Net Of Shares Withheld For Vesting Events TreasuryStockValueAcquiredCostMethodNetOfSharesWithheldForVestingEvents	75000000	USD
CY2011Q4	ivz	Uit UIT	900000	USD
CY2012Q4	ivz	Uit UIT	1600000	USD
CY2012	ivz	Undrawn Capital Commitments UndrawnCapitalCommitments	209300000	USD
CY2011	ivz	Undrawn Capital Commitments UndrawnCapitalCommitments	161200000	USD
CY2011Q4	ivz	Unremitted Foreign Earnings UnremittedForeignEarnings	977200000	USD
CY2012Q4	ivz	Unremitted Foreign Earnings UnremittedForeignEarnings	1029900000	USD
CY2011Q4	ivz	Unsettled Fund Payables UnsettledFundPayables	439600000	USD
CY2012Q4	ivz	Unsettled Fund Payables UnsettledFundPayables	552500000	USD
CY2011Q4	ivz	Unsettled Fund Receivables UnsettledFundReceivables	444400000	USD
CY2010	ivz	Vested Shares VestedShares		USD
CY2012	ivz	Vested Shares VestedShares		USD
CY2011	ivz	Vested Shares VestedShares		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	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000914208
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	440933312	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q2	dei	Entity Public Float EntityPublicFloat	8300000000	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	Invesco Ltd.
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

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$IVZ
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2012 Q4 Form 10-K Financial Statement

#000091420813000308 Filed on February 22, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IVZ Invesco Ltd Stock $ivz

2012 Q4 Form 10-K Financial Statement

#000091420813000308 Filed on February 22, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IVZ
Invesco Ltd Stock $ivz