$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly

$nly Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-K Financial Statement

#000115752313001038 Filed on February 26, 2013

Income Statement

Concept	2011 Q4	2011 Q3	2011 Q2
Revenue	$656.1M	$2.772M	-$77.00K
YoY Change	-58.37%	-99.19%	-100.07%
Cost Of Revenue	$130.1M	$353.3M	$113.3M
YoY Change	-57.2%	16.75%	-59.56%
Gross Profit	$526.0M	-$841.2M	$190.8M
YoY Change	-58.65%	-2224.24%	-213.03%
Gross Profit Margin	80.17%	-30346.32%
Selling, General & Admin	$63.10M	$65.20M	$57.20M
YoY Change	35.7%	50.23%	37.83%
% of Gross Profit	12.0%		29.98%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$0.00	$1.000M	$1.000M
YoY Change	-100.0%		0.0%
% of Gross Profit	0.0%		0.52%
Operating Expenses	$63.10M	$65.20M	$57.20M
YoY Change	35.7%	50.23%	37.5%
Operating Profit	$462.9M	-$906.4M	$133.6M
YoY Change	-62.23%	23752.63%	-163.5%
Interest Expense	$130.1M	$121.4M	$113.3M
YoY Change
% of Operating Profit	28.11%		84.82%
Other Income/Expense, Net	-$191.6M	-$1.651B	-$652.9M
YoY Change
Pretax Income	$462.9M	-$906.4M	$133.6M
YoY Change	-62.24%	23140.92%	-163.52%
Income Tax	$17.30M	$15.42M	$12.76M
% Of Pretax Income	3.74%		9.55%
Net Earnings	$445.6M	-$921.8M	$120.8M
YoY Change	-63.43%	6437.68%	-155.37%
Net Earnings / Revenue	67.91%	-33254.44%
Basic Earnings Per Share	$0.46	-$0.98	$0.14
Diluted Earnings Per Share	$0.44	-$0.98	$0.14
COMMON SHARES
Basic Shares Outstanding		948.5M shares	822.6M shares
Diluted Shares Outstanding		948.5M shares	827.8M shares

Balance Sheet

Concept	2011 Q4	2011 Q3	2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$994.0M	$3.474B	$402.0M
YoY Change	251.24%	1102.08%	22.56%
Cash & Equivalents	$994.2M	$3.474B	$401.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$23.00M	$426.0M	$64.00M
Other Receivables	$409.0M	$411.0M	$386.0M
Total Short-Term Assets	$1.426B	$4.311B	$852.0M
YoY Change	78.47%	88.25%	14.21%
LONG-TERM ASSETS
Property, Plant & Equipment
YoY Change
Goodwill	$42.03M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$108.1B	$109.2B	$99.63B
YoY Change	31.63%	36.16%	37.08%
Other Assets
YoY Change
Total Long-Term Assets	$108.2B	$109.3B	$99.71B
YoY Change	31.59%	36.15%	37.03%
TOTAL ASSETS
Total Short-Term Assets	$1.426B	$4.311B	$852.0M
Total Long-Term Assets	$108.2B	$109.3B	$99.71B
Total Assets	$109.6B	$113.6B	$100.6B
YoY Change	32.04%	37.59%	36.8%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$139.0M	$128.0M	$123.0M
YoY Change	19.83%	12.28%	24.24%
Deferred Revenue
YoY Change
Short-Term Debt	$84.90B	$87.40B	$78.89B
YoY Change	29.13%	42.6%	39.32%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$89.91B	$93.97B	$84.38B
YoY Change	26.91%	34.25%	36.15%
LONG-TERM LIABILITIES
Long-Term Debt	$540.0M	$557.0M	$600.0M
YoY Change	-10.0%	-7.17%	0.0%
Other Long-Term Liabilities	$3.387B	$3.165B	$1.606B
YoY Change	102.21%	34.8%	30.04%
Total Long-Term Liabilities	$3.927B	$3.722B	$2.206B
YoY Change	72.62%	26.26%	20.22%
TOTAL LIABILITIES
Total Short-Term Liabilities	$89.91B	$93.97B	$84.38B
Total Long-Term Liabilities	$3.927B	$3.722B	$2.206B
Total Liabilities	$93.84B	$97.69B	$86.59B
YoY Change	28.33%	33.93%	35.69%
SHAREHOLDERS EQUITY
Retained Earnings	-$2.504B
YoY Change	280.32%
Common Stock	$9.702M
YoY Change	53.61%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$15.76B	$15.91B	$13.93B
YoY Change
Total Liabilities & Shareholders Equity	$109.6B	$113.6B	$100.6B
YoY Change	32.04%	37.59%	36.8%

Cashflow Statement

Concept	2011 Q4	2011 Q3	2011 Q2
OPERATING ACTIVITIES
Net Income	$445.6M	-$921.8M	$120.8M
YoY Change	-63.43%	6437.68%	-155.37%
Depreciation, Depletion And Amortization	$0.00	$1.000M	$1.000M
YoY Change	-100.0%		0.0%
Cash From Operating Activities	-$1.628B	$1.668B	-$2.576B
YoY Change	-139.28%	215.31%	-158.97%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$53.00M	-$8.127B	$160.0M
YoY Change	-98.79%	48.9%	-104.65%
Cash From Investing Activities	-$53.00M	-$8.127B	$160.0M
YoY Change	-98.79%	48.9%	-104.65%
FINANCING ACTIVITIES
Cash Dividend Paid		$544.1M	$503.0M
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-799.0M	9.531B	2.461B
YoY Change	-461.54%	94.83%	-263.63%
NET CHANGE
Cash From Operating Activities	-1.628B	1.668B	-2.576B
Cash From Investing Activities	-53.00M	-8.127B	160.0M
Cash From Financing Activities	-799.0M	9.531B	2.461B
Net Change In Cash	-2.480B	3.072B	45.00M
YoY Change	30900.0%	-8402.7%	-107.79%
FREE CASH FLOW
Cash From Operating Activities	-$1.628B	$1.668B	-$2.576B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Other Debt Securities Available For Sale Or Held For Investment PledgedFinancialInstrumentsNotSeparatelyReportedOtherDebtSecuritiesAvailableForSaleOrHeldForInvestment	981727000
CY2012Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	825541000
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	947250377	shares
CY2011Q2	us-gaap	Capital Units Authorized CapitalUnitsAuthorized	1000000000	shares
CY2011Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1987987500	shares
CY2011Q2	us-gaap	Capital Units Authorized CapitalUnitsAuthorized	2000000000	shares
CY2011Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q2	dei	Entity Public Float EntityPublicFloat	16318867645
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	9554426000
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1504568000
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	9864900000
CY2010Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	404220000
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.33
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	282626000
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6891975	shares
CY2010Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	4575026000
CY2010Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	151460000
CY2011Q4	us-gaap	Securities For Reverse Repurchase Agreements SecuritiesForReverseRepurchaseAgreements	860866000
CY2011Q4	us-gaap	Goodwill Goodwill	42030000
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1087552000
CY2011Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Mortgage Related Securities Available For Sale Or Held For Investment PledgedFinancialInstrumentsNotSeparatelyReportedMortgageRelatedSecuritiesAvailableForSaleOrHeldForInvestment	90406535000
CY2011Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	409023000
CY2011Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	928732000
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4451693	shares
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	15760642000
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10807000
CY2011Q4	us-gaap	Other Assets OtherAssets	24295000
CY2011Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	138965000
CY2011Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	84097885000
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	118593000
CY2011Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4200000
CY2011Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	552806000
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1987987500	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.17
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	135122000
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	970161647	shares
CY2011Q4	us-gaap	Securities Loaned SecuritiesLoaned	804901000
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1970695000
CY2011Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	3272000
CY2011Q4	us-gaap	Liabilities Liabilities	93837088000
CY2011Q4	us-gaap	Notional Amount Of Interest Rate Derivatives NotionalAmountOfInterestRateDerivatives	40109880000
CY2011Q4	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	889580000
CY2011Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	2552687000
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2504006000
CY2011Q4	us-gaap	Assets Assets	109630002000
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.57
CY2011Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	3891000
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	109630002000
CY2011Q4	us-gaap	Accrued Fees And Other Revenue Receivable AccruedFeesAndOtherRevenueReceivable	19550000
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	883143000
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	994198000
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	970161647	shares
CY2011Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	7223000
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3008988000
CY2011Q4	us-gaap	Financial Instruments Sold Not Yet Purchased Us Government And Agency Obligations FinancialInstrumentsSoldNotYetPurchasedUSGovernmentAndAgencyObligations	826912000
CY2011Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	104251055000
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	16529000
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6216805	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	9702000
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Other Debt Securities Available For Sale Or Held For Investment PledgedFinancialInstrumentsNotSeparatelyReportedOtherDebtSecuritiesAvailableForSaleOrHeldForInvestment	567383000
CY2011Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	539913000
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5432000
CY2011Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	15068870000
CY2011Q4	nly	Receivables From Affiliates ReceivablesFromAffiliates	16245000
CY2011Q4	nly	Available For Sale Securities In Unrealized Loss Positions Number Of Positions Qualitative Disclosure AvailableForSaleSecuritiesInUnrealizedLossPositionsNumberOfPositionsQualitativeDisclosure	107	Securities
CY2011Q4	nly	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions12 Months Or Longer AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrLonger	36	Securities
CY2011Q4	nly	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than12 Months AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months	71	Securities
CY2011Q4	nly	Interest Rate Swaps Weighted Average Receive Rate InterestRateSwapsWeightedAverageReceiveRate	0.0033	pure
CY2011Q4	nly	Number Of Board Of Directors To Vote To Elect Failure To Pay Dividends NumberOfBoardOfDirectorsToVoteToElectFailureToPayDividends	2	Director
CY2011Q4	nly	Other Derivative Fair Value Of Derivative Asset OtherDerivativeFairValueOfDerivativeAsset	113000
CY2011Q4	nly	Notional Amount Of Interest Rate Derivatives Gross Unrealized Losses NotionalAmountOfInterestRateDerivativesGrossUnrealizedLosses	40100000000
CY2011Q4	nly	Number Of Quarters Failure To Pay Dividends Preferred Stock Trigger Voting Rights Minimum NumberOfQuartersFailureToPayDividendsPreferredStockTriggerVotingRightsMinimum	6	pure
CY2011Q4	nly	Collateral Held On Repurchase Agreements After Effect Of Interest Rate Swaps Fair Value CollateralHeldOnRepurchaseAgreementsAfterEffectOfInterestRateSwapsFairValue	91300000
CY2011Q4	nly	Held To Maturity Securities Corporate Debt HeldToMaturitySecuritiesCorporateDebt	52073000
CY2011Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	4315796000
CY2011Q4	nly	Pledged Assets Not Separately Reported Us Treasury Securities Available For Sale Or Held For Investment PledgedAssetsNotSeparatelyReportedUsTreasurySecuritiesAvailableForSaleOrHeldForInvestment	352820000
CY2011Q4	nly	Available For Sale Investments With Affiliates AvailableForSaleInvestmentsWithAffiliates	211970000
CY2011Q4	nly	Ratio Of Votes Required To Materially Change Terms Of Series Preferred Stock RatioOfVotesRequiredToMateriallyChangeTermsOfSeriesPreferredStock	0.667	pure
CY2011Q4	nly	Repurchase Agreements Weighted Average Borrowing Rates RepurchaseAgreementsWeightedAverageBorrowingRates	0.0159	pure
CY2011Q4	nly	Interest Rate Swaps Weighted Average Pay Rate InterestRateSwapsWeightedAveragePayRate	0.0255	pure
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CY2011Q4	nly	Trading Securities Debt Us Treasury Securities TradingSecuritiesDebtUSTreasurySecurities	928547000
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CY2011Q4	nly	Repurchase Agreements Weighted Average Rates RepurchaseAgreementsWeightedAverageRates	0.0053	pure
CY2012Q4	us-gaap	Securities For Reverse Repurchase Agreements SecuritiesForReverseRepurchaseAgreements	1811095000
CY2012Q4	us-gaap	Goodwill Goodwill	55417000
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	11220514000
CY2012Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Mortgage Related Securities Available For Sale Or Held For Investment PledgedFinancialInstrumentsNotSeparatelyReportedMortgageRelatedSecuritiesAvailableForSaleOrHeldForInvestment	107466084000
CY2012Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	419259000
CY2012Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	2160942000
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4988124	shares
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	15924444000
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6989000
CY2012Q4	us-gaap	Other Assets OtherAssets	41607000
CY2012Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	186896000
CY2012Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	102785697000
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	82721000
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	679000.0
CY2012Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	432154000
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CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.06
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CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	60000
CY2012Q4	us-gaap	Assets Assets	133452295000
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CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	147775000
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	615789000
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	947213204	shares
CY2012Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	2600000000
CY2012Q4	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	10798000
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3053242000
CY2012Q4	us-gaap	Financial Instruments Sold Not Yet Purchased Us Government And Agency Obligations FinancialInstrumentsSoldNotYetPurchasedUSGovernmentAndAgencyObligations	495437000
CY2012Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	123963207000
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	105280000
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5618686	shares
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5779000
CY2012Q4	us-gaap	Minimum Net Capital Required For Broker Dealer Subsidiary1 MinimumNetCapitalRequiredForBrokerDealerSubsidiary1	253850
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	5631000
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	14740774000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due In Two Years Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueInTwoYearsFutureMinimumSubleaseRentals
CY2012Q4	nly	Operating Leases Future Minimum Payments Due In Three Years Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueInThreeYearsFutureMinimumSubleaseRentals
CY2012Q4	nly	Operating Leases Future Minimum Payments Due In Four Years Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueInFourYearsFutureMinimumSubleaseRentals
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Thereafter Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueThereafterFutureMinimumSubleaseRentals
CY2012Q4	nly	Receivables From Affiliates ReceivablesFromAffiliates	14077000
CY2012Q4	nly	Payable Related To Share Repurchase PayableRelatedToShareRepurchase	141149000
CY2012Q4	nly	Available For Sale Securities In Unrealized Loss Positions Number Of Positions Qualitative Disclosure AvailableForSaleSecuritiesInUnrealizedLossPositionsNumberOfPositionsQualitativeDisclosure	226	Securities
CY2012Q4	nly	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions12 Months Or Longer AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrLonger	39	Securities
CY2012Q4	nly	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than12 Months AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months	187	Securities
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due NetOperatingLeasesFutureMinimumPaymentsDue	5571000
CY2012Q4	nly	Interest Rate Swaps Weighted Average Receive Rate InterestRateSwapsWeightedAverageReceiveRate	0.0024	pure
CY2012Q4	nly	Number Of Board Of Directors To Vote To Elect Failure To Pay Dividends NumberOfBoardOfDirectorsToVoteToElectFailureToPayDividends	2	Director
CY2012Q4	nly	Other Derivative Fair Value Of Derivative Asset OtherDerivativeFairValueOfDerivativeAsset	9830000
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due One Year Calendar Year NetOperatingLeasesFutureMinimumPaymentsDueOneYearCalendarYear	2877000
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due Three Years Calendar Year NetOperatingLeasesFutureMinimumPaymentsDueThreeYearsCalendarYear	159000
CY2012Q4	nly	Notional Amount Of Interest Rate Derivatives Gross Unrealized Losses NotionalAmountOfInterestRateDerivativesGrossUnrealizedLosses	45800000000
CY2012Q4	nly	Number Of Quarters Failure To Pay Dividends Preferred Stock Trigger Voting Rights Minimum NumberOfQuartersFailureToPayDividendsPreferredStockTriggerVotingRightsMinimum	6	pure
CY2012Q4	nly	Operating Leases Future Minimum Payments Due One Year Calendar Year OperatingLeasesFutureMinimumPaymentsDueOneYearCalendarYear	2937000
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due Two Years Calendar Year NetOperatingLeasesFutureMinimumPaymentsDueTwoYearsCalendarYear	2509000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Three Years Calendar Year OperatingLeasesFutureMinimumPaymentsDueThreeYearsCalendarYear	159000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Two Years Calendar Year OperatingLeasesFutureMinimumPaymentsDueTwoYearsCalendarYear	2509000
CY2012Q4	nly	Collateral Held On Repurchase Agreements After Effect Of Interest Rate Swaps Fair Value CollateralHeldOnRepurchaseAgreementsAfterEffectOfInterestRateSwapsFairValue	109200000
CY2012Q4	nly	Excess Net Capital ExcessNetCapital	297600000
CY2012Q4	nly	Held To Maturity Securities Corporate Debt HeldToMaturitySecuritiesCorporateDebt	63944000
CY2012Q4	nly	Interest Rate Derivatives Gross Unrealized Gains InterestRateDerivativesGrossUnrealizedGains	26000000
CY2012Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	8256957000
CY2012Q4	nly	Pledged Assets Not Separately Reported Us Treasury Securities Available For Sale Or Held For Investment PledgedAssetsNotSeparatelyReportedUsTreasurySecuritiesAvailableForSaleOrHeldForInvestment	752076000
CY2012Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	290722000
CY2012Q4	nly	Common Stock Equity Distribution Agreement Shares Authorized For Distribution CommonStockEquityDistributionAgreementSharesAuthorizedForDistribution	125000000	shares
CY2012Q4	nly	Available For Sale Investments With Affiliates AvailableForSaleInvestmentsWithAffiliates	234120000
CY2012Q4	nly	Regulatory Net Capital RegulatoryNetCapital	297900000
CY2012Q4	nly	Ratio Of Votes Required To Materially Change Terms Of Series Preferred Stock RatioOfVotesRequiredToMateriallyChangeTermsOfSeriesPreferredStock	0.667	pure
CY2012Q4	nly	Repurchase Agreements Weighted Average Borrowing Rates RepurchaseAgreementsWeightedAverageBorrowingRates	0.0153	pure
CY2012Q4	nly	Interest Rate Swaps Weighted Average Pay Rate InterestRateSwapsWeightedAveragePayRate	0.0221	pure
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due Four Years Calendar Year NetOperatingLeasesFutureMinimumPaymentsDueFourYearsCalendarYear	26000
CY2012Q4	nly	Net Operating Leases Future Minimum Payments Due Thereafter Calendar Year NetOperatingLeasesFutureMinimumPaymentsDueThereafterCalendarYear
CY2012Q4	nly	Notional Amount Of Interest Rate Derivatives Gross Unrealized Gains NotionalAmountOfInterestRateDerivativesGrossUnrealizedGains	1100000000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Four Years Calendar Year OperatingLeasesFutureMinimumPaymentsDueFourYearsCalendarYear	26000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals One Year Calendar Year OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsOneYearCalendarYear	60000
CY2012Q4	nly	Operating Leases Future Minimum Payments Due Thereafter Calendar Year OperatingLeasesFutureMinimumPaymentsDueThereafterCalendarYear
CY2012Q4	nly	Interest Rate Derivatives Gross Unrealized Losses InterestRateDerivativesGrossUnrealizedLosses	2600000000
CY2012Q4	nly	Trading Securities Debt Us Treasury Securities TradingSecuritiesDebtUSTreasurySecurities	752076000
CY2012Q4	nly	Repurchase Agreements Accrued Interest RepurchaseAgreementsAccruedInterest	363800000
CY2012Q4	nly	Repurchase Agreements Weighted Average Rates RepurchaseAgreementsWeightedAverageRates	0.0063	pure
CY2012Q4	us-gaap	Stock Repurchase Program Authorized Amount StockRepurchaseProgramAuthorizedAmount	1500000000
CY2010	us-gaap	Interest Income Securities Us Treasury InterestIncomeSecuritiesUSTreasury	2830000
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-726675000
CY2010	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	27125000
CY2010	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	28600000
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4757000
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	540605000
CY2010	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	181791000
CY2010	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	24529000
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	10863110000
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.04
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1084000
CY2010	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1053939000
CY2010	us-gaap	Profit Loss ProfitLoss	1267280000
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.65
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.53	pure
CY2010	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4598000
CY2010	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	2095000
CY2010	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	18033000
CY2010	us-gaap	Proceeds From Securities Purchased Under Agreements To Resell ProceedsFromSecuritiesPurchasedUnderAgreementsToResell	4291430000
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	94899000
CY2010	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3150000
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1221942000
CY2010	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	23081000
CY2010	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	2649000
CY2010	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3950000
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	625307174	shares
CY2010	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4600000
CY2010	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1570674000
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1299769000
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.12
CY2010	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	-318000
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-181791000
CY2010	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	4032426000
CY2010	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	26306000
CY2010	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2254909000
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	54424951000
CY2010	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	171600000
CY2010	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	4757000
CY2010	us-gaap	Noninterest Expense NoninterestExpense	171847000
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	588192659	shares
CY2010	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1800000
CY2010	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2945000
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	36742000
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	9262772000
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	1760701000
CY2010	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-664429000
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-13845753000
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	565000	shares
CY2010	us-gaap	Asset Management Fees AssetManagementFees	58073000
CY2010	us-gaap	Net Income Loss NetIncomeLoss	1267280000
CY2010	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-783293000
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	146958000
CY2010	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	360000
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35434000
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1249247000
CY2010	us-gaap	Interest Income Operating InterestIncomeOperating	2683134000
CY2010	us-gaap	Payments Of Dividends PaymentsOfDividends	1599339000
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1600000
CY2010	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-318832000
CY2010	us-gaap	Interest Expense InterestExpense	428225000
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1274020000
CY2010	us-gaap	Debt Instrument Convertible Interest Expense DebtInstrumentConvertibleInterestExpense	24228000
CY2010	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-639783000
CY2010	nly	Interest Received InterestReceived	3322228000
CY2010	nly	Net Proceeds From Direct Purchase And Dividend Reinvestment NetProceedsFromDirectPurchaseAndDividendReinvestment	278783000
CY2010	nly	Payments Of Earn Out Obligations PaymentsOfEarnOutObligations	14113000
CY2010	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	-3455000
CY2010	nly	Net Proceeds From Follow On Offerings NetProceedsFromFollowOnOfferings	-1047355000
CY2010	nly	Mortgage Backed Securities Sold Carrying Value MortgageBackedSecuritiesSoldCarryingValue	7800000000
CY2010	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	-726675000
CY2010	nly	Net Proceeds From Issuance Equity Subsequent Offering NetProceedsFromIssuanceEquitySubsequentOffering	1047354000
CY2010	nly	Nonoperating Income Expense Pre Derivative Instruments NonoperatingIncomeExpensePreDerivativeInstruments	270646000
CY2010	nly	Payments To Acquire Corporate Debt PaymentsToAcquireCorporateDebt	21670000
CY2010	nly	Dividend Income From Available For Sale Equity Securities DividendIncomeFromAvailableForSaleEquitySecurities	31038000
CY2010	nly	Interest Income Securities Loaned InterestIncomeSecuritiesLoaned	3997000
CY2010	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	2676307000
CY2010	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	397971000
CY2010	nly	Amount Of Dilutive Convertible Preferred Stock Dividends AmountOfDilutiveConvertiblePreferredStockDividends	3440000
CY2010	nly	Amount Of Dilutive Interest On Convertible Debt Net Of Tax AmountOfDilutiveInterestOnConvertibleDebtNetOfTax	21333000
CY2010	nly	Dividends Received DividendsReceived	30042000
CY2010	nly	Interest Expense Securities Borrowed InterestExpenseSecuritiesBorrowed	3377000
CY2010	nly	Payments On Reverse Repo From Broker Dealer PaymentsOnReverseRepoFromBrokerDealer	88479412000
CY2010	nly	Payments On Securities Borrowed PaymentsOnSecuritiesBorrowed	3111681000
CY2010	nly	Payments On Securities Loaned PaymentsOnSecuritiesLoaned	3042414000
CY2010	nly	Proceeds From Repurchase Agreements From Broker Dealer ProceedsFromRepurchaseAgreementsFromBrokerDealer	1268429168000
CY2010	nly	Proceeds From Reverse Repo From Broker Dealer ProceedsFromReverseRepoFromBrokerDealer	87968002000
CY2010	nly	Proceeds From Debt Investments ProceedsFromDebtInvestments	9331089000
CY2010	nly	Proceeds From Direct Purchase And Dividend Reinvestment ProceedsFromDirectPurchaseAndDividendReinvestment	278784000
CY2010	nly	Realized And Unrealized Gain Loss On Sale Of Debt Investments Us Treasury Securities RealizedAndUnrealizedGainLossOnSaleOfDebtInvestmentsUSTreasurySecurities	-2351000
CY2010	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	411608000
CY2010	nly	Incremental Common Shares Attributable To Stock Options Conversion Of Preferred Stock And Conversion Of Debt Securities IncrementalCommonSharesAttributableToStockOptionsConversionOfPreferredStockAndConversionOfDebtSecurities	37114000	shares
CY2010	nly	Payments On Debt Investments PaymentsOnDebtInvestments	9521134000
CY2010	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	223342427000
CY2010	nly	Proceeds From Securities Loaned ProceedsFromSecuritiesLoaned	3231198000
CY2010	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	725418000
CY2010	nly	Increase Decrease In Advisory And Service Fees Receivable IncreaseDecreaseInAdvisoryAndServiceFeesReceivable	3606000
CY2010	nly	Agency Debentures Called AgencyDebenturesCalled	2132002000
CY2010	nly	Fees Received FeesReceived	54467000
CY2010	nly	Payments On Repurchase Agreements From Broker Dealer PaymentsOnRepurchaseAgreementsFromBrokerDealer	1258941064000
CY2010	nly	Proceeds From Principal Collection Of Mortgage Backed Securities Categorized As Available For Sale ProceedsFromPrincipalCollectionOfMortgageBackedSecuritiesCategorizedAsAvailableForSale	28961203000
CY2010	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	224789731000
CY2010	nly	Proceeds From Securities Borrowed ProceedsFromSecuritiesBorrowed	2924082000
CY2010	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	-735107000
CY2010	nly	Realized And Unrealized Gain Loss On Sale Of Trading Assets RealizedAndUnrealizedGainLossOnSaleOfTradingAssets	-2351000
CY2011	us-gaap	Interest Income Securities Us Treasury InterestIncomeSecuritiesUSTreasury	14706000
CY2011	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P103D
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1844346000
CY2011	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	64362000
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y9M18D
CY2011	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	44100000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5269000
CY2011	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	9000000
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2188807000
CY2011	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	-100000
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	12.15
CY2011	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	206846000
CY2011	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	31093000
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	2420063000
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1698000
CY2011	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-2697502000
CY2011	us-gaap	Profit Loss ProfitLoss	344461000
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	678920	shares
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.44
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	3750	shares
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.52	pure
CY2011	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8953000
CY2011	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	5618000
CY2011	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	16854000
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	14298000
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.19
CY2011	nly	Proceeds From Securities Loaned ProceedsFromSecuritiesLoaned	54126121000
CY2011	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	876099000
CY2011	nly	Increase Decrease In Advisory And Service Fees Receivable IncreaseDecreaseInAdvisoryAndServiceFeesReceivable	3378000
CY2011	nly	Agency Debentures Called AgencyDebenturesCalled	1124000000
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3600000
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	711572000
CY2011	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	7759000
CY2011	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	13081000
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3258000
CY2011	us-gaap	Debt Instrument Convertible Beneficial Conversion Feature DebtInstrumentConvertibleBeneficialConversionFeature	60087000
CY2011	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y1M6D
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	874518938	shares
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8953000
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2173222000
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	402372000
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2011	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	-98000
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-206846000
CY2011	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	23199000
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3099292000
CY2011	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	57500000
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	69065069000
CY2011	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	199200000
CY2011	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	5269000
CY2011	us-gaap	Noninterest Expense NoninterestExpense	237344000
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	874212039	shares
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1900000
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1140000
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y6M
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	61045000
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	19337053000
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	23411196000
CY2011	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-794205000
CY2011	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-13965000
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-25119687000
CY2011	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3555000
CY2011	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	7550000
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	572000	shares
CY2011	us-gaap	Asset Management Fees AssetManagementFees	79205000
CY2011	us-gaap	Net Income Loss NetIncomeLoss	344461000
CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2459576000
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	206251000
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	7500	shares
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	59051000
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	327607000
CY2011	us-gaap	Interest Income Operating InterestIncomeOperating	3579618000
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	2041489000
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2300000
CY2011	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1815107000
CY2011	us-gaap	Interest Expense InterestExpense	480326000
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	327607000
CY2011	us-gaap	Debt Instrument Convertible Interest Expense DebtInstrumentConvertibleInterestExpense	35017000
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.67
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2036894000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Convertible Debt With Conversion Feature AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature	67637000
CY2011	nly	Interest Received InterestReceived	4309690000
CY2011	nly	Net Proceeds From Direct Purchase And Dividend Reinvestment NetProceedsFromDirectPurchaseAndDividendReinvestment	455547000
CY2011	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	-7158000
CY2011	nly	Net Proceeds From Follow On Offerings NetProceedsFromFollowOnOfferings	-5351846000
CY2011	nly	Mortgage Backed Securities Sold Carrying Value MortgageBackedSecuritiesSoldCarryingValue	18700000000
CY2011	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	1844346000
CY2011	nly	Net Proceeds From Issuance Equity Subsequent Offering NetProceedsFromIssuanceEquitySubsequentOffering	5351846000
CY2011	nly	Unrealized Gain Loss On Interest Only Mortgage Backed Securities Mbs UnrealizedGainLossOnInterestOnlyMortgageBackedSecuritiesMBS	-106657000
CY2011	nly	Nonoperating Income Expense Pre Derivative Instruments NonoperatingIncomeExpensePreDerivativeInstruments	237926000
CY2011	nly	Payments To Acquire Corporate Debt PaymentsToAcquireCorporateDebt	31675000
CY2011	nly	Dividend Income From Available For Sale Equity Securities DividendIncomeFromAvailableForSaleEquitySecurities	31516000
CY2011	nly	Interest Income Securities Loaned InterestIncomeSecuritiesLoaned	6897000
CY2011	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	3558015000
CY2011	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	426769000
CY2011	nly	Dividends Received DividendsReceived	31876000
CY2011	nly	Interest Expense Securities Borrowed InterestExpenseSecuritiesBorrowed	5459000
CY2011	nly	Payments On Reverse Repo From Broker Dealer PaymentsOnReverseRepoFromBrokerDealer	156502577000
CY2011	nly	Payments On Securities Borrowed PaymentsOnSecuritiesBorrowed	27973422000
CY2011	nly	Payments On Securities Loaned PaymentsOnSecuritiesLoaned	53539061000
CY2011	nly	Proceeds From Repurchase Agreements From Broker Dealer ProceedsFromRepurchaseAgreementsFromBrokerDealer	877734065000
CY2011	nly	Proceeds From Reverse Repo From Broker Dealer ProceedsFromReverseRepoFromBrokerDealer	156659365000
CY2011	nly	Proceeds From Debt Investments ProceedsFromDebtInvestments	29168074000
CY2011	nly	Proceeds From Direct Purchase And Dividend Reinvestment ProceedsFromDirectPurchaseAndDividendReinvestment	455547000
CY2011	nly	Realized And Unrealized Gain Loss On Sale Of Debt Investments Us Treasury Securities RealizedAndUnrealizedGainLossOnSaleOfDebtInvestmentsUSTreasurySecurities	21398000
CY2011	nly	Stock Issued During Period Shares Direct Purchase And Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDirectPurchaseAndDividendReinvestmentPlan	26200000	shares
CY2011	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	455873000
CY2011	nly	Incremental Common Shares Attributable To Stock Options Conversion Of Preferred Stock And Conversion Of Debt Securities IncrementalCommonSharesAttributableToStockOptionsConversionOfPreferredStockAndConversionOfDebtSecurities	307000	shares
CY2011	nly	Proceeds From Reverse Repo ProceedsFromReverseRepo	166354000
CY2011	nly	Payments On Reverse Repo PaymentsOnReverseRepo	177845000
CY2011	nly	Payments On Debt Investments PaymentsOnDebtInvestments	28490573000
CY2011	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	253387283000
CY2011	nly	Proceeds From Principal Collection Of Corporate Debt ProceedsFromPrincipalCollectionOfCorporateDebt	1375000
CY2011	nly	Fees Received FeesReceived	75827000
CY2011	nly	Payments On Repurchase Agreements From Broker Dealer PaymentsOnRepurchaseAgreementsFromBrokerDealer	878806056000
CY2011	nly	Proceeds From Principal Collection Of Mortgage Backed Securities Categorized As Available For Sale ProceedsFromPrincipalCollectionOfMortgageBackedSecuritiesCategorizedAsAvailableForSale	23565709000
CY2011	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	273023622000
CY2011	nly	Proceeds From Securities Borrowed ProceedsFromSecuritiesBorrowed	27261366000
CY2011	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	-882395000
CY2011	nly	Realized And Unrealized Gain Loss On Sale Of Trading Assets RealizedAndUnrealizedGainLossOnSaleOfTradingAssets	21398000
CY2011	nly	Payments To Acquire Trading Securities PaymentsToAcquireTradingSecurities	3990000
CY2011	nly	Percentage Of Federal Income Tax Characterized As Long Term Capital PercentageOfFederalIncomeTaxCharacterizedAsLongTermCapital	0.049	pure
CY2011	nly	Percentage Of Federal Income Tax Characterized As Ordinary Income PercentageOfFederalIncomeTaxCharacterizedAsOrdinaryIncome	0.951	pure
CY2012	dei	Trading Symbol TradingSymbol	NLY
CY2012	dei	Entity Registrant Name EntityRegistrantName	ANNALY CAPITAL MANAGEMENT INC
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0001043219
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	617476000
CY2012	us-gaap	Interest Income Securities Us Treasury InterestIncomeSecuritiesUSTreasury	17222000
CY2012	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P191D
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	44254000
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-162340000
CY2012	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	6151000
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y
CY2012	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	22100000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5584000
CY2012	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	8400000
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1780154000
CY2012	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	432139000
CY2012	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	44857000
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	7639507000
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.71
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	16.15
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3241000
CY2012	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-928373000
CY2012	us-gaap	Profit Loss ProfitLoss	1735900000
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	603169	shares
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.05
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	255901000
CY2012	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"> <font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-STYLE: italic"> Credit Risk</font> – The Company has limited its exposure to credit losses on its portfolio of Agency mortgage-backed securities by only purchasing securities issued by Freddie Mac, Fannie Mae or Ginnie Mae and Agency debentures issued by the FHLB, Freddie Mac and Fannie Mae.  The payment of principal and interest on the Freddie Mac and Fannie Mae Agency mortgage-backed securities are guaranteed by those respective agencies, and the payment of principal and interest on Ginnie Mae Agency mortgage-backed securities are backed by the full faith and credit of the U.S. government.  Principal and interest on Agency debentures are guaranteed by the agency issuing the debenture.  Substantially all of the Company’s Investment Securities have an actual or implied “AAA” rating.  The Company faces credit risk on the portions of its portfolio which are not Agency mortgage-backed securities and Agency debentures.</font></div>
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.51	pure
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8438000
CY2012	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	39530000
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.98
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6965000
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-378409000
CY2012	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	32272000
CY2012	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	15114000
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	9243000
CY2012	us-gaap	Debt Instrument Convertible Beneficial Conversion Feature DebtInstrumentConvertibleBeneficialConversionFeature	61725000
CY2012	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3M
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1005755057	shares
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8438000
CY2012	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	397050000
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1989690000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1771812000
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.74
CY2012	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	11717000
CY2012	us-gaap	Stockholders Equity Other StockholdersEquityOther	-5223000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-438511000
CY2012	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	47931000
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2591973000
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2450	shares
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	86161777000
CY2012	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	438500000
CY2012	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	5584000
CY2012	us-gaap	Noninterest Expense NoninterestExpense	235559000
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	972902459	shares
CY2012	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	-10379000
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2500000
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y3M18D
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	52590000
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	30542875000
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	10675113000
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1470801000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	248000
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-18693029000
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	18017000
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2756000	shares
CY2012	us-gaap	Asset Management Fees AssetManagementFees	82663000
CY2012	us-gaap	Net Income Loss NetIncomeLoss	1735900000
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-584602000
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	190702000
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	7500	shares
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35912000
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1696370000
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"> <font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-STYLE: italic"> Use of Estimates -</font> The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  All assets classified as trading or available-for-sale and interest rate swaps are reported at their estimated fair value, based on market prices.  The Company’s policy is to obtain fair values from one or more independent sources to compare to internal prices for reasonableness.  Actual results could differ from those estimates.</font></div>
CY2012	us-gaap	Interest Income Operating InterestIncomeOperating	3259145000
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	2149872000
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4080000
CY2012	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-32219000
CY2012	us-gaap	Interest Expense InterestExpense	667172000
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1724213000
CY2012	us-gaap	Debt Instrument Convertible Interest Expense DebtInstrumentConvertibleInterestExpense	67221000
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.11
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	482765000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Convertible Debt With Conversion Feature AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature	61725000
CY2012	nly	Interest Received InterestReceived	4718524000
CY2012	nly	Net Proceeds From Direct Purchase And Dividend Reinvestment NetProceedsFromDirectPurchaseAndDividendReinvestment	2794000
CY2012	nly	Payments Of Earn Out Obligations PaymentsOfEarnOutObligations	13387000
CY2012	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	-10173000
CY2012	nly	Mortgage Backed Securities Sold Carrying Value MortgageBackedSecuritiesSoldCarryingValue	30400000000
CY2012	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	44254000
CY2012	nly	Net Proceeds From Issuance Equity Subsequent Offering NetProceedsFromIssuanceEquitySubsequentOffering	-248000
CY2012	nly	Unrealized Gain Loss On Interest Only Mortgage Backed Securities Mbs UnrealizedGainLossOnInterestOnlyMortgageBackedSecuritiesMBS	-59937000
CY2012	nly	Nonoperating Income Expense Pre Derivative Instruments NonoperatingIncomeExpensePreDerivativeInstruments	343771000
CY2012	nly	Payments To Acquire Corporate Debt PaymentsToAcquireCorporateDebt	81090000
CY2012	nly	Dividend Income From Available For Sale Equity Securities DividendIncomeFromAvailableForSaleEquitySecurities	28336000
CY2012	nly	Interest Income Securities Loaned InterestIncomeSecuritiesLoaned	9903000
CY2012	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	3232020000
CY2012	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	577243000
CY2012	nly	Amount Of Dilutive Interest On Convertible Debt Net Of Tax AmountOfDilutiveInterestOnConvertibleDebtNetOfTax	27843000
CY2012	nly	Dividends Received DividendsReceived	29522000
CY2012	nly	Interest Expense Securities Borrowed InterestExpenseSecuritiesBorrowed	7594000
CY2012	nly	Payments On Reverse Repo From Broker Dealer PaymentsOnReverseRepoFromBrokerDealer	402805044000
CY2012	nly	Payments On Securities Borrowed PaymentsOnSecuritiesBorrowed	75593708000
CY2012	nly	Payments On Securities Loaned PaymentsOnSecuritiesLoaned	184654177000
CY2012	nly	Proceeds From Repurchase Agreements From Broker Dealer ProceedsFromRepurchaseAgreementsFromBrokerDealer	733739097000
CY2012	nly	Proceeds From Reverse Repo From Broker Dealer ProceedsFromReverseRepoFromBrokerDealer	401926011000
CY2012	nly	Proceeds From Sale Of Marketable Securities Equity Securities ProceedsFromSaleOfMarketableSecuritiesEquitySecurities	4048000
CY2012	nly	Proceeds From Debt Investments ProceedsFromDebtInvestments	64028348000
CY2012	nly	Proceeds From Direct Purchase And Dividend Reinvestment ProceedsFromDirectPurchaseAndDividendReinvestment	2794000
CY2012	nly	Realized And Unrealized Gain Loss On Sale Of Debt Investments Us Treasury Securities RealizedAndUnrealizedGainLossOnSaleOfDebtInvestmentsUSTreasurySecurities	22910000
CY2012	nly	Stock Issued During Period Shares Direct Purchase And Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDirectPurchaseAndDividendReinvestmentPlan	170000	shares
CY2012	nly	Common Stock Equity Distribution Agreement Description CommonStockEquityDistributionAgreementDescription	On March 19, 2012, we entered into six separate Distribution Agency Agreements (or Distribution Agency Agreements) with each of Merrill Lynch, Pierce, Fenner & Smith Incorporated, Credit Suisse Securities (USA) LLC, Goldman, Sachs & Co., J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC and RCap Securities, Inc. (together, the Agents).
CY2012	nly	Common Stock Equity Distribution Agreement Date CommonStockEquityDistributionAgreementDate	March 19, 2012
CY2012	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	595152000
CY2012	nly	Incremental Common Shares Attributable To Stock Options Conversion Of Preferred Stock And Conversion Of Debt Securities IncrementalCommonSharesAttributableToStockOptionsConversionOfPreferredStockAndConversionOfDebtSecurities	32853000	shares
CY2012	nly	Proceeds From Reverse Repo ProceedsFromReverseRepo	680525000
CY2012	nly	Payments On Reverse Repo PaymentsOnReverseRepo	751721000
CY2012	nly	Payments On Debt Investments PaymentsOnDebtInvestments	64746420000
CY2012	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	340273744000
CY2012	nly	Proceeds From Principal Collection Of Corporate Debt ProceedsFromPrincipalCollectionOfCorporateDebt	4247000
CY2012	nly	Proceeds From Securities Loaned ProceedsFromSecuritiesLoaned	185657591000
CY2012	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	892656000
CY2012	nly	Increase Decrease In Advisory And Service Fees Receivable IncreaseDecreaseInAdvisoryAndServiceFeesReceivable	-1820000
CY2012	nly	Agency Debentures Called AgencyDebenturesCalled	1801283000
CY2012	nly	Fees Received FeesReceived	84483000
CY2012	nly	Payments On Repurchase Agreements From Broker Dealer PaymentsOnRepurchaseAgreementsFromBrokerDealer	727275192000
CY2012	nly	Proceeds From Principal Collection Of Mortgage Backed Securities Categorized As Available For Sale ProceedsFromPrincipalCollectionOfMortgageBackedSecuritiesCategorizedAsAvailableForSale	35133544000
CY2012	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	352497651000
CY2012	nly	Proceeds From Securities Borrowed ProceedsFromSecuritiesBorrowed	74361498000
CY2012	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	-893769000
CY2012	nly	Gain Loss On Termination Of Interest Rate Swaps GainLossOnTerminationOfInterestRateSwaps	-2385000
CY2012	nly	Realized And Unrealized Gain Loss On Sale Of Trading Assets RealizedAndUnrealizedGainLossOnSaleOfTradingAssets	20525000
CY2012	nly	Open Tax Years OpenTaxYears	2009, 2010 and 2011
CY2012	nly	Proceeds From Corporate Debt Called ProceedsFromCorporateDebtCalled	67649000
CY2012	nly	Extinguishment Of Convertible Debt ExtinguishmentOfConvertibleDebt	53558000
CY2012	nly	Increase Decrease In Receivable From Prime Broker IncreaseDecreaseInReceivableFromPrimeBroker	-3272000
CY2012	nly	Payment On Disposal Of Subsidiary PaymentOnDisposalOfSubsidiary	800000
CY2012	nly	Percentage Of Federal Income Tax Characterized As Long Term Capital PercentageOfFederalIncomeTaxCharacterizedAsLongTermCapital	0.107	pure
CY2012	nly	Percentage Of Federal Income Tax Characterized As Ordinary Income PercentageOfFederalIncomeTaxCharacterizedAsOrdinaryIncome	0.893	pure
CY2012	nly	Noncash Component Of Disposal Of Subsidiary NoncashComponentOfDisposalOfSubsidiary	1177000
CY2011Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	86250000	shares
CY2011Q1	nly	Net Proceeds From Follow On Offerings NetProceedsFromFollowOnOfferings	1500000000
CY2011Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	86250000	shares
CY2011Q1	nly	Net Proceeds From Follow On Offerings NetProceedsFromFollowOnOfferings	1500000000
CY2011Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	138000000	shares
CY2011Q3	nly	Net Proceeds From Follow On Offerings NetProceedsFromFollowOnOfferings	2400000000
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2011Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4267000
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	712330000
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2011Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	728592000
CY2011Q1	us-gaap	Noninterest Expense NoninterestExpense	51827000
CY2011Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1140000
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	699895000
CY2011Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	35565000
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13575000
CY2011Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	695628000
CY2011Q1	us-gaap	Interest Income Operating InterestIncomeOperating	844048000
CY2011Q1	us-gaap	Interest Expense InterestExpense	115456000
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2011Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4267000
CY2011Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	133579000
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2011Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	843748000
CY2011Q2	us-gaap	Noninterest Expense NoninterestExpense	57229000
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	120817000
CY2011Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-652940000
CY2011Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12762000
CY2011Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	116550000
CY2011Q2	us-gaap	Interest Income Operating InterestIncomeOperating	957068000
CY2011Q2	us-gaap	Interest Expense InterestExpense	113320000
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2012Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	3938000
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	918268000
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2012Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	721550000
CY2012Q1	us-gaap	Noninterest Expense NoninterestExpense	67915000
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	901806000
CY2012Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	264633000
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16462000
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	897868000
CY2012Q1	us-gaap	Interest Income Operating InterestIncomeOperating	854895000
CY2012Q1	us-gaap	Interest Expense InterestExpense	133345000
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.10
CY2012Q2	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	6508000
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-79503000
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.10
CY2012Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	719881000
CY2012Q2	us-gaap	Noninterest Expense NoninterestExpense	64556000
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-91159000
CY2012Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-734828000
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11656000
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-97667000
CY2012Q2	us-gaap	Interest Income Operating InterestIncomeOperating	886324000
CY2012Q2	us-gaap	Interest Expense InterestExpense	166443000
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.98
CY2011Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4172000
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-906396000
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.98
CY2011Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	809385000
CY2011Q3	us-gaap	Noninterest Expense NoninterestExpense	65194000
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	-921813000
CY2011Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1650587000
CY2011Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15417000
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-925985000
CY2011Q3	us-gaap	Interest Income Operating InterestIncomeOperating	930802000
CY2011Q3	us-gaap	Interest Expense InterestExpense	121417000
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2012Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	9367000
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	238679000
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	579372000
CY2012Q3	us-gaap	Noninterest Expense NoninterestExpense	63004000
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	224758000
CY2012Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-277689000
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13921000
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	215391000
CY2012Q3	us-gaap	Interest Income Operating InterestIncomeOperating	761265000
CY2012Q3	us-gaap	Interest Expense InterestExpense	181893000
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.44
CY2011Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	4148000
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	462859000
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2011Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	717567000
CY2011Q4	us-gaap	Noninterest Expense NoninterestExpense	63094000
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	445562000
CY2011Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-191614000
CY2011Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17297000
CY2011Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	441414000
CY2011Q4	us-gaap	Interest Income Operating InterestIncomeOperating	847700000
CY2011Q4	us-gaap	Interest Expense InterestExpense	130133000
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2012Q4	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	19717000
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	694368000
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2012Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	571170000
CY2012Q4	us-gaap	Noninterest Expense NoninterestExpense	40084000
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	700495000
CY2012Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	163282000
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6127000
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	680778000
CY2012Q4	us-gaap	Interest Income Operating InterestIncomeOperating	756661000
CY2012Q4	us-gaap	Interest Expense InterestExpense	185491000

Files In Submission

Name	View Source	Status
0001157523-13-001038-index-headers.html	Edgar Link	pending
0001157523-13-001038-index.html	Edgar Link	pending
0001157523-13-001038.txt	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
graph.jpg	Edgar Link	pending
nly-20121231.xml	Edgar Link	completed
nly-20121231.xsd	Edgar Link	pending
nly-20121231_cal.xml	Edgar Link	unprocessable
nly-20121231_def.xml	Edgar Link	unprocessable
nly-20121231_lab.xml	Edgar Link	unprocessable
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$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly

2011 Q4 Form 10-K Financial Statement

#000115752313001038 Filed on February 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NLY ANNALY CAPITAL MANAGEMENT INC Stock $nly

2011 Q4 Form 10-K Financial Statement

#000115752313001038 Filed on February 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly