$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly

$nly Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000162828023003895 Filed on February 16, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$11.10M	-$159.8M	$3.264B
YoY Change	-99.49%	-129.36%	9.75%
Cost Of Revenue	$798.8M	$663.8M	$1.310B
YoY Change	966.16%	974.45%	425.49%
Gross Profit	-$787.7M	-$823.6M	$1.954B
YoY Change	-137.56%	-270.7%	-28.28%
Gross Profit Margin	-7095.63%		59.87%
Selling, General & Admin	$40.83M	$43.01M	$162.7M
YoY Change	-10.79%	5.66%	-12.52%
% of Gross Profit			8.33%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$5.050M	$4.627M	$20.51M
YoY Change	6.41%	30.26%	-16.76%
% of Gross Profit			1.05%
Operating Expenses	$40.61M	$50.26M	$142.1M
YoY Change	-12.43%	22.91%	246.95%
Operating Profit	-$828.3M	-$873.9M	$1.812B
YoY Change	-140.39%	-297.89%	-32.47%
Interest Expense	$798.8M		$1.310B
YoY Change	966.16%		425.49%
% of Operating Profit			72.27%
Other Income/Expense, Net	-$883.3M		$243.8M
YoY Change	-159.51%		320.46%
Pretax Income	-$828.3M	-$886.9M	$1.772B
YoY Change	-140.4%	-308.64%	-26.2%
Income Tax	$11.03M	-$86.00K	$45.57M
% Of Pretax Income			2.57%
Net Earnings	-$876.1M	-$918.3M	$1.725B
YoY Change	-143.32%	-321.03%	-27.81%
Net Earnings / Revenue	-7892.36%		52.86%
Basic Earnings Per Share	-$1.79		$3.93
Diluted Earnings Per Share	-$1.79	-$1.96	$3.92
COMMON SHARES
Basic Shares Outstanding	493.6M shares	467.9M shares	411.3M shares
Diluted Shares Outstanding	489.7M shares		411.6M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.794B	$1.577B	$1.577B
YoY Change	87.71%	17.48%	17.48%
Cash & Equivalents	$1.794B	$1.577B	$1.577B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$679.1M	$575.1M	$575.1M
Other Receivables	$773.7M	$637.3M	$637.3M
Total Short-Term Assets	$3.247B	$2.789B	$2.789B
YoY Change	101.7%	76.56%	76.56%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.165M	$8.872M	$8.872M
YoY Change	-17.4%	-15.84%	-15.84%
Goodwill
YoY Change
Intangibles	$15.92M	$16.68M
YoY Change	-31.11%	-31.2%
Long-Term Investments	$81.31B	$78.47B	$78.47B
YoY Change	10.85%	5.19%	5.19%
Other Assets	$0.00	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Total Long-Term Assets	$83.59B	$79.06B	$79.06B
YoY Change	12.08%	5.16%	5.16%
TOTAL ASSETS
Total Short-Term Assets	$3.247B	$2.789B	$2.789B
Total Long-Term Assets	$83.59B	$79.06B	$79.06B
Total Assets	$86.83B	$81.85B	$81.85B
YoY Change	13.98%	6.63%	6.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$118.4M	$336.5M	$336.5M
YoY Change	26.34%	220.86%	220.86%
Deferred Revenue
YoY Change
Short-Term Debt	$60.99B	$59.51B	$59.51B
YoY Change	15.9%	8.66%	8.66%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$64.69B	$61.42B	$61.42B
YoY Change	17.55%	10.98%	10.98%
LONG-TERM LIABILITIES
Long-Term Debt	$9.729B	$8.795B	$8.795B
YoY Change	15.8%	23.73%	23.73%
Other Long-Term Liabilities	$502.2M	$267.2M	$267.2M
YoY Change	-60.47%	-76.09%	-76.09%
Total Long-Term Liabilities	$10.23B	$9.062B	$9.062B
YoY Change	5.78%	10.18%	10.18%
TOTAL LIABILITIES
Total Short-Term Liabilities	$64.69B	$61.42B	$61.42B
Total Long-Term Liabilities	$10.23B	$9.062B	$9.062B
Total Liabilities	$75.04B	$70.48B	$70.58B
YoY Change	15.97%	10.87%	10.99%
SHAREHOLDERS EQUITY
Retained Earnings	-$10.74B	-$9.543B
YoY Change	34.6%	-1.14%
Common Stock	$4.939M	$4.683M
YoY Change	-66.19%	-67.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$11.79B	$11.27B	$11.27B
YoY Change
Total Liabilities & Shareholders Equity	$86.83B	$81.85B	$81.85B
YoY Change	13.98%	6.63%	6.63%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$876.1M	-$918.3M	$1.725B
YoY Change	-143.32%	-321.03%	-27.81%
Depreciation, Depletion And Amortization	$5.050M	$4.627M	$20.51M
YoY Change	6.41%	30.26%	-16.76%
Cash From Operating Activities	-$1.019B	$201.6M	$5.372B
YoY Change	-150.22%	-76.6%	74.61%
INVESTING ACTIVITIES
Capital Expenditures	$35.83M	$142.6M	$1.009B
YoY Change	-108.51%	-348.4%	-312.33%
Acquisitions
YoY Change
Other Investing Activities	-$1.045B	-$5.391B	-$13.52B
YoY Change	-13.64%	288.5%	-351.51%
Cash From Investing Activities	-$1.081B	-$5.534B	-$14.53B
YoY Change	-33.74%	282.94%	-396.51%
FINANCING ACTIVITIES
Cash Dividend Paid	$444.1M		$1.519B
YoY Change	27.58%		11.73%
Common Stock Issuance & Retirement, Net			-$2.636B
YoY Change			377.35%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$2.317B	5.443B	$9.389B
YoY Change	-395.48%	518.98%	-219.19%
NET CHANGE
Cash From Operating Activities	-$1.019B	201.6M	$5.372B
Cash From Investing Activities	-$1.081B	-5.534B	-$14.53B
Cash From Financing Activities	$2.317B	5.443B	$9.389B
Net Change In Cash	$217.5M	110.5M	$234.6M
YoY Change	-156.3%	-62.63%	138.47%
FREE CASH FLOW
Cash From Operating Activities	-$1.019B	$201.6M	$5.372B
Capital Expenditures	$35.83M	$142.6M	$1.009B
Free Cash Flow	-$1.055B	$59.00M	$4.363B
YoY Change	-143.05%	-93.58%	22.83%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001043219
CY2022Q3	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.25
CY2022	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://annaly.com/20221231#DerivativeGainLossonDerivativeNetIncludingUSTreasuries
CY2022	us-gaap	Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration ImpairmentOfIntangibleAssetFiniteLivedStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#GainLossOnSaleOfBusiness
CY2020Q1	nly	Monthly Management Fee Percentage Of Stockholders Equity Up To A Predetermined Amount Used In Calculating Total Management Fee MonthlyManagementFeePercentageOfStockholdersEquityUpToAPredeterminedAmountUsedInCalculatingTotalManagementFee	0.000875
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-13447
CY2022	dei	Entity Registrant Name EntityRegistrantName	ANNALY CAPITAL MANAGEMENT INC
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-3479661
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	1211 Avenue of the Americas
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	New York,
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10036
CY2022	dei	City Area Code CityAreaCode	212
CY2022	dei	Local Phone Number LocalPhoneNumber	696-0100
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	9500000000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	493615144	shares
CY2022	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P27D
CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	New York, NY
CY2022Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	1424160000	usd
CY2021Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	1222505000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1576714000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1342090000	usd
CY2022Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	65789907000	usd
CY2021Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	63655674000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1809832000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	4242043000	usd
CY2022Q4	us-gaap	Servicing Asset ServicingAsset	1748209000	usd
CY2021Q4	us-gaap	Servicing Asset ServicingAsset	544562000	usd
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CY2021Q4	nly	Interest In Mortgage Servicing Rights InterestInMortgageServicingRights	69316000	usd
CY2022Q4	us-gaap	Transfers Of Financial Assets Accounted For As Sale Initial Fair Value Of Assets Obtained As Proceeds TransfersOfFinancialAssetsAccountedForAsSaleInitialFairValueOfAssetsObtainedAsProceeds	9121912000	usd
CY2021Q4	us-gaap	Transfers Of Financial Assets Accounted For As Sale Initial Fair Value Of Assets Obtained As Proceeds TransfersOfFinancialAssetsAccountedForAsSaleInitialFairValueOfAssetsObtainedAsProceeds	6086308000	usd
CY2022Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	0	usd
CY2021Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	194138000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	342064000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	170370000	usd
CY2022Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	575091000	usd
CY2021Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	2656000	usd
CY2022Q4	nly	Financing And Accrued Investment Income Receivable FinancingAndAccruedInvestmentIncomeReceivable	637301000	usd
CY2021Q4	nly	Financing And Accrued Investment Income Receivable FinancingAndAccruedInvestmentIncomeReceivable	234983000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	16679000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	24241000	usd
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CY2022Q4	nly	Securitized Debt Of Consolidated Vie SecuritizedDebtOfConsolidatedVie	7744160000	usd
CY2021Q4	nly	Securitized Debt Of Consolidated Vie SecuritizedDebtOfConsolidatedVie	5155633000	usd
CY2022Q4	us-gaap	Participating Mortgage Loans Participation Liabilities Amount ParticipatingMortgageLoansParticipationLiabilitiesAmount	800849000	usd
CY2021Q4	us-gaap	Participating Mortgage Loans Participation Liabilities Amount ParticipatingMortgageLoansParticipationLiabilitiesAmount	1049066000	usd
CY2022Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	0	usd
CY2021Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	154956000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	204172000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	881537000	usd
CY2022Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	1157846000	usd
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CY2022	nly	Net Servicing Income NetServicingIncome	221781000	usd
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CY2020	nly	Net Servicing Income NetServicingIncome	67753000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-4602456000	usd
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CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	358489000	usd
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CY2021	nly	Derivative Gain Losson Derivative Net Including Us Treasuries DerivativeGainLossonDerivativeNetIncludingUSTreasuries	807730000	usd
CY2020	nly	Derivative Gain Losson Derivative Net Including Us Treasuries DerivativeGainLossonDerivativeNetIncludingUSTreasuries	-2273732000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-20660000	usd
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CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	147581000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-40258000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-278559000	usd
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6667000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1165000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-31442000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	243787000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	796360000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2094266000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	112703000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	118451000	usd
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	131685000	usd
CY2022	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	50026000	usd
CY2021	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	67563000	usd
CY2020	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	90510000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	162729000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	186014000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	222195000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1771991000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2400955000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-918195000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45571000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4675000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-28423000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1726420000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	2396280000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	-889772000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1095000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6384000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1391000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1725325000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2389896000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-891163000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	110623000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	107532000	usd
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	142036000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1614702000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2282364000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1033199000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.93
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.40
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.92
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.39
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.92
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	411348484	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	356856520	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	353664860	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	411621758	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	357142251	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	353664860	shares
CY2022	us-gaap	Profit Loss ProfitLoss	1726420000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	2396280000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	-889772000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-8204542000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2419618000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2012878000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3537236000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3693000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	776734000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-4667306000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2415925000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1236144000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-2940886000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-19645000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	346372000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1095000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	6384000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1391000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2941981000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-26029000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	344981000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	110623000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	107532000	usd
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	142036000	usd
CY2022	nly	Comprehensive Income Loss Attributable To Common Stock Holders ComprehensiveIncomeLossAttributableToCommonStockHolders	-3052604000	usd
CY2021	nly	Comprehensive Income Loss Attributable To Common Stock Holders ComprehensiveIncomeLossAttributableToCommonStockHolders	-133561000	usd
CY2020	nly	Comprehensive Income Loss Attributable To Common Stock Holders ComprehensiveIncomeLossAttributableToCommonStockHolders	202945000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	11369426000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	13195325000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	14021796000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1726420000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	2396280000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	-889772000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-87154000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-784110000	usd
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1371178000	usd
CY2022	nly	Amortization Of Securitized Debt Premiums And Discounts Net AmortizationOfSecuritizedDebtPremiumsAndDiscountsNet	4733000	usd
CY2021	nly	Amortization Of Securitized Debt Premiums And Discounts Net AmortizationOfSecuritizedDebtPremiumsAndDiscountsNet	6620000	usd
CY2020	nly	Amortization Of Securitized Debt Premiums And Discounts Net AmortizationOfSecuritizedDebtPremiumsAndDiscountsNet	11576000	usd
CY2022	nly	Depreciation Depletion And Amortization Excluding Amortization Of Debt Premiums And Discounts Deferred Financing Costs And Discounts Of Investments DepreciationDepletionAndAmortizationExcludingAmortizationOfDebtPremiumsAndDiscountsDeferredFinancingCostsAndDiscountsOfInvestments	20506000	usd
CY2021	nly	Depreciation Depletion And Amortization Excluding Amortization Of Debt Premiums And Discounts Deferred Financing Costs And Discounts Of Investments DepreciationDepletionAndAmortizationExcludingAmortizationOfDebtPremiumsAndDiscountsDeferredFinancingCostsAndDiscountsOfInvestments	24636000	usd
CY2020	nly	Depreciation Depletion And Amortization Excluding Amortization Of Debt Premiums And Discounts Deferred Financing Costs And Discounts Of Investments DepreciationDepletionAndAmortizationExcludingAmortizationOfDebtPremiumsAndDiscountsDeferredFinancingCostsAndDiscountsOfInvestments	41357000	usd
CY2022	nly	Gain Loss On Investments Debt And Derivatives GainLossOnInvestmentsDebtAndDerivatives	-109443000	usd
CY2021	nly	Gain Loss On Investments Debt And Derivatives GainLossOnInvestmentsDebtAndDerivatives	1204830000	usd
CY2020	nly	Gain Loss On Investments Debt And Derivatives GainLossOnInvestmentsDebtAndDerivatives	-1707366000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-40258000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-278559000	usd
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	11454000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-12181000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-7072000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-20660000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-145066000	usd
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	147581000	usd
CY2022	nly	Payments For Purchase Of Loans Operating Activities PaymentsForPurchaseOfLoansOperatingActivities	0	usd
CY2021	nly	Payments For Purchase Of Loans Operating Activities PaymentsForPurchaseOfLoansOperatingActivities	51403000	usd
CY2020	nly	Payments For Purchase Of Loans Operating Activities PaymentsForPurchaseOfLoansOperatingActivities	147833000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	4597000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	90020000	usd
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	168716000	usd
CY2022	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	3643954000	usd
CY2021	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	932867000	usd
CY2020	nly	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	-1958131000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	11437000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-31044000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-249778000	usd
CY2022	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	403613000	usd
CY2021	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-32926000	usd
CY2020	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-159320000	usd
CY2022	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	233753000	usd
CY2021	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-99590000	usd
CY2020	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-285219000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-41777000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1725000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-31870000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5372411000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3076839000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	527967000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	45474466000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	22344751000	usd
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	32676856000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	25055929000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	11670321000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	52639778000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	9541036000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	18742951000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	19571476000	usd
CY2022	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	6137067000	usd
CY2021	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	7715200000	usd
CY2020	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	2257314000	usd
CY2022	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	1930367000	usd
CY2021	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	1213745000	usd
CY2020	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	624026000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	1562308000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2610912000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2222500000	usd
CY2022	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	1009349000	usd
CY2021	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	473035000	usd
CY2020	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	0	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	9085000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	82175000	usd
CY2020	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	72160000	usd
CY2022	nly	Payments To Acquire Interest In Mortgage Servicing Rights PaymentsToAcquireInterestInMortgageServicingRights	4913000	usd
CY2021	nly	Payments To Acquire Interest In Mortgage Servicing Rights PaymentsToAcquireInterestInMortgageServicingRights	65107000	usd
CY2020	nly	Payments To Acquire Interest In Mortgage Servicing Rights PaymentsToAcquireInterestInMortgageServicingRights	0	usd
CY2022	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	0	usd
CY2021	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	2329000	usd
CY2020	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	7450000	usd
CY2022	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	0	usd
CY2021	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	53910000	usd
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	149600000	usd
CY2022	us-gaap	Proceeds From Securities Purchased Under Agreements To Resell ProceedsFromSecuritiesPurchasedUnderAgreementsToResell	24500024000	usd
CY2021	us-gaap	Proceeds From Securities Purchased Under Agreements To Resell ProceedsFromSecuritiesPurchasedUnderAgreementsToResell	16734313000	usd
CY2020	us-gaap	Proceeds From Securities Purchased Under Agreements To Resell ProceedsFromSecuritiesPurchasedUnderAgreementsToResell	58800000000	usd
CY2022	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	24500024000	usd
CY2021	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	16734313000	usd
CY2020	us-gaap	Payments For Securities Purchased Under Agreements To Resell PaymentsForSecuritiesPurchasedUnderAgreementsToResell	58800000000	usd
CY2022	nly	Proceeds From Unconsolidated Joint Venture Excess Of Cumulative Earnings ProceedsFromUnconsolidatedJointVentureExcessOfCumulativeEarnings	0	usd
CY2021	nly	Proceeds From Unconsolidated Joint Venture Excess Of Cumulative Earnings ProceedsFromUnconsolidatedJointVentureExcessOfCumulativeEarnings	290000	usd
CY2020	nly	Proceeds From Unconsolidated Joint Venture Excess Of Cumulative Earnings ProceedsFromUnconsolidatedJointVentureExcessOfCumulativeEarnings	7590000	usd
CY2022	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	0	usd
CY2021	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	6957000	usd
CY2020	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	0	usd
CY2022	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	usd
CY2021	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	usd
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	6264000	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	1118440000	usd
CY2020	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14527070000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	4899279000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	40351774000	usd
CY2022	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	3571043066000	usd
CY2021	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	2288704788000	usd
CY2020	nly	Proceeds From Repurchase Agreements ProceedsFromRepurchaseAgreements	2776331362000	usd
CY2022	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	3566953367000	usd
CY2021	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	2298775005000	usd
CY2020	nly	Principal Payments On Repurchase Agreements PrincipalPaymentsOnRepurchaseAgreements	2816805618000	usd
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	5473311000	usd
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	3719027000	usd
CY2020	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	2385374000	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	1234090000	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	1716196000	usd
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	1238962000	usd
CY2022	nly	Payments From Relief Of Securitized Debt PaymentsFromReliefOfSecuritizedDebt	8495000	usd
CY2021	nly	Payments From Relief Of Securitized Debt PaymentsFromReliefOfSecuritizedDebt	0	usd
CY2020	nly	Payments From Relief Of Securitized Debt PaymentsFromReliefOfSecuritizedDebt	0	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	9279000	usd
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	553000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2636000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	552215000	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1175000	usd
CY2022	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	usd
CY2020	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	460000000	usd
CY2022	nly	Proceeds From Participating Mortgage Loans ProceedsFromParticipatingMortgageLoans	1908204000	usd
CY2021	nly	Proceeds From Participating Mortgage Loans ProceedsFromParticipatingMortgageLoans	1847821000	usd
CY2020	nly	Proceeds From Participating Mortgage Loans ProceedsFromParticipatingMortgageLoans	38741000	usd
CY2022	nly	Payments On Repurchase Of Participating Mortgage Loans PaymentsOnRepurchaseOfParticipatingMortgageLoans	1973666000	usd
CY2021	nly	Payments On Repurchase Of Participating Mortgage Loans PaymentsOnRepurchaseOfParticipatingMortgageLoans	818575000	usd
CY2020	nly	Payments On Repurchase Of Participating Mortgage Loans PaymentsOnRepurchaseOfParticipatingMortgageLoans	0	usd
CY2022	nly	Principal Payments On Participation Mortgage Loans Issued PrincipalPaymentsOnParticipationMortgageLoansIssued	50712000	usd
CY2021	nly	Principal Payments On Participation Mortgage Loans Issued PrincipalPaymentsOnParticipationMortgageLoansIssued	23374000	usd
CY2020	nly	Principal Payments On Participation Mortgage Loans Issued PrincipalPaymentsOnParticipationMortgageLoansIssued	0	usd
CY2022	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-2237000	usd
CY2020	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-60980000	usd
CY2022	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	72389000	usd
CY2021	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	5635000	usd
CY2020	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	7762000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	209418000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4108000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2830000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	1519249000	usd
CY2020	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	3681826000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	1359721000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	1475650000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9389283000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7877731000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-41486767000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	234624000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	98387000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-607026000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1342090000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1243703000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1850729000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1576714000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1342090000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1243703000	usd
CY2022	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	2459012000	usd
CY2021	us-gaap	Proceeds From Interest Received ProceedsFromInterestReceived	2701381000	usd
CY2022	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	0	usd
CY2021	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	51000	usd
CY2020	us-gaap	Proceeds From Dividends Received ProceedsFromDividendsReceived	4643000	usd
CY2022	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	866829000	usd
CY2021	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	269244000	usd
CY2020	nly	Interest Paid Excluding Interest Paid On Interest Rate Swaps InterestPaidExcludingInterestPaidOnInterestRateSwaps	1166977000	usd
CY2022	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	15621000	usd
CY2021	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	-340738000	usd
CY2020	nly	Interest Paid Net Interest Rate Derivative InterestPaidNetInterestRateDerivative	296621000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-492000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-3797000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1515000	usd
CY2022Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	575091000	usd
CY2021Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	2656000	usd
CY2020Q4	nly	Receivable For Investment Securities Sold ReceivableForInvestmentSecuritiesSold	15912000	usd
CY2022Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	1157846000	usd
CY2021Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	147908000	usd
CY2020Q4	nly	Payable For Investment Securities Purchased PayableForInvestmentSecuritiesPurchased	884069000	usd
CY2022	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	-4667306000	usd
CY2021	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	-2415925000	usd
CY2020	nly	Net Change In Unrealized Gain Loss On Availableforsale Securities And Interest Rate Swaps Net Of Reclassification Adjustment NetChangeInUnrealizedGainLossOnAvailableforsaleSecuritiesAndInterestRateSwapsNetOfReclassificationAdjustment	1236144000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	412113000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	321142000	usd
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	307613000	usd
CY2022	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Assets NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfAssets	424005000	usd
CY2021	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Assets NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfAssets	3075961000	usd
CY2020	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Assets NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfAssets	1222221000	usd
CY2022	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Securitized Debt NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfSecuritizedDebt	391928000	usd
CY2021	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Securitized Debt NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfSecuritizedDebt	2506799000	usd
CY2020	nly	Noncash Or Part Noncash Acquisition Variable Interest Entity Derecognition Of Securitized Debt NoncashOrPartNoncashAcquisitionVariableInterestEntityDerecognitionOfSecuritizedDebt	1141311000	usd
CY2022	nly	Noncash Or Part Noncash Acquisition Derecognition Of Mortgage Payable NoncashOrPartNoncashAcquisitionDerecognitionOfMortgagePayable	0	usd
CY2021	nly	Noncash Or Part Noncash Acquisition Derecognition Of Mortgage Payable NoncashOrPartNoncashAcquisitionDerecognitionOfMortgagePayable	314485000	usd
CY2020	nly	Noncash Or Part Noncash Acquisition Derecognition Of Mortgage Payable NoncashOrPartNoncashAcquisitionDerecognitionOfMortgagePayable	0	usd
CY2022	nly	Number Of Investment Groups NumberOfInvestmentGroups	3	investmentgroup
CY2022	us-gaap	Basis Of Accounting BasisOfAccounting	<div style="margin-bottom:6pt;text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"/><td style="width:98.900%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><span style="color:#031f48;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2. BASIS OF PRESENTATION</span></div></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #00316c;padding:0 1pt"/></tr></table></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying consolidated financial statements and related notes of the Company have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”). </span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the consolidated financial statements requires management to make estimates and assumptions that affect the reported balance sheet amounts and/or disclosures at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from those estimates. </span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain line items in the Company’s Consolidated Statements of Cash Flows were aggregated to simplify presentation. Prior periods have been adjusted to conform to the current presentation.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Beginning with the quarter ended March 31, 2022, in light of the continued growth of its mortgage servicing rights portfolio the Company enhanced its financial disclosures by separately reporting servicing income and servicing expense in its Consolidated Statements of Comprehensive Income (Loss). Servicing income and servicing expense were previously included within Other income (loss). As a result of this change, prior periods have been adjusted to conform to the current presentation.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In addition, beginning with the quarter ended March 31, 2022, the Company consolidated certain line items in its Consolidated Statements of Comprehensive Income (Loss) in an effort to streamline and simplify its financial presentation. Amounts previously reported under Net interest component of interest rate swaps, Realized gains (losses) on termination or maturity of interest rate swaps, Unrealized gains (losses) on interest rate swaps and Net gains (losses) on other derivatives are combined </span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">into a single line item titled Net gains (losses) on derivatives. Similarly, amounts previously reported under Net gains (losses) on disposal of investments and other and Net unrealized gains (losses) on instruments measured at fair value through earnings are combined into a single line item titled Net gains (losses) on investments and other. As a result of these changes, prior periods have been adjusted to conform to the current presentation.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reverse Stock Split</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On September 8, 2022, the Company announced that its Board had unanimously approved a reverse stock split of the Company’s common stock at a ratio of 1-for-4 (the “Reverse Stock Split”). The Reverse Stock Split was effective following the close of business on September 23, 2022 (the “Effective Time”). Accordingly, at the Effective Time, every four issued and outstanding shares of the Company’s common stock were converted into one share of the Company’s common stock. No fractional shares were issued in connection with the Reverse Stock Split. Instead, each stockholder that would have held fractional shares as a result of the Reverse Stock Split received cash in lieu of such fractional shares. The par value per share of the Company’s common stock remained unchanged at $0.01 per share after the Reverse Stock Split. Accordingly, for all historical periods presented, an amount equal to the par value of the reduced number of shares resulting from the Reverse Stock Split was reclassified from Common stock to Additional paid in capital in the Company’s Consolidated Statements of Financial Condition. All references made to share or per share amounts in the accompanying consolidated financial statements and applicable disclosures have been retroactively adjusted to reflect the effects of the Reverse Stock Split.</span></div>
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022	us-gaap	Revenue Recognition Interest RevenueRecognitionInterest	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Interest Income - </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company recognizes interest income primarily on Residential Securities (as defined in the “Securities” Note), residential mortgage loans, commercial investments and reverse repurchase agreements. Interest accrued but not received is recognized as Interest receivable on the Consolidated Statements of Financial Condition. Interest income is presented as a separate line item on the Consolidated Statements of Comprehensive Income (Loss). Refer to the “Interest Income and Interest Expense” Note for further discussion.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For its securities, the Company recognizes coupon income, which is a component of interest income, based upon the outstanding principal amounts of the financial instruments and their contractual terms. In addition, the Company amortizes or accretes premiums or discounts into interest income for its Agency mortgage-backed securities (other than interest-only securities, multifamily and reverse mortgages), taking into account estimates of future principal prepayments in the calculation of the effective yield. The Company recalculates the effective yield as differences between anticipated and actual prepayments occur. Using third party model and market information to project future cash flows and expected remaining lives of securities, the effective interest rate determined for each security is applied as if it had been in place from the date of the security’s acquisition. The amortized cost of the security is then adjusted to the amount that would have existed had the new effective yield been applied since the acquisition date, which results in a cumulative premium amortization adjustment in each period. The adjustment to amortized cost is offset with a charge or credit to interest income. Changes in interest rates and other market factors will impact prepayment speed projections and the amount of premium amortization recognized in any given period.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Premiums or discounts associated with the purchase of Agency interest-only securities, reverse mortgages and residential credit securities are amortized or accreted into interest income based upon current expected future cash flows with any adjustment to yield made on a prospective basis.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Premiums and discounts associated with the purchase of residential mortgage loans and with those transferred or pledged to securitization trusts are primarily amortized or accreted into interest income over their estimated remaining lives using the effective interest rates inherent in the estimated cash flows from the mortgage loans. Amortization of premiums and accretion of discounts are presented in Interest income in the Consolidated Statements of Comprehensive Income (Loss). </span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">If collection of a loan’s principal or interest is in doubt or the loan is 90 days or more past due, interest income is not accrued. For nonaccrual status loans carried at fair value or held for sale, interest is not accrued but is recognized on a cash basis. For nonaccrual status loans carried at amortized cost, if collection of principal is not in doubt but collection of interest is in doubt, interest income is recognized on a cash basis. If collection of principal is in doubt, any interest received is applied against principal until collectability of the remaining balance is no longer in doubt; at that point, any interest income is recognized on a cash basis. Generally, a loan is returned to accrual status when the borrower has resumed paying the full amount of the scheduled contractual obligation, if all principal and interest amounts contractually due are reasonably assured of repayment within a reasonable period of time and there is a sustained period of repayment performance by the borrower. Refer to the “Interest Income and Interest Expense” Note for further discussion on interest.</span></div>The Company has made an accounting policy election not to measure an allowance for loans losses for accrued interest receivable. If interest receivable is deemed to be uncollectible or not collected within 90 days of its contractual due date for commercial loans or 120 days for corporate debt carried at amortized cost, it is written off through a reversal of interest income. Any interest written off that is recovered is recognized as interest income.
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	63655674000	usd
CY2022	nly	Paymentsto Acquire Debt Securities Availableforsale Excluding Variable Interest Entity PaymentstoAcquireDebtSecuritiesAvailableforsaleExcludingVariableInterestEntity	46462100000	usd
CY2022	nly	Proceedsfrom Saleof Debt Securities Availableforsale Excluding Variable Interest Entity ProceedsfromSaleofDebtSecuritiesAvailableforsaleExcludingVariableInterestEntity	29182033000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	9467555000	usd
CY2022	nly	Accretion Amortization Of Debt Securities Available For Sale AccretionAmortizationOfDebtSecuritiesAvailableForSale	-45650000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5632629000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	65789907000	usd
CY2022Q4	us-gaap	Investment Owned Balance Principal Amount InvestmentOwnedBalancePrincipalAmount	86183782000	usd
CY2022Q4	nly	Debt Securities Availableforsale Remaining Premium DebtSecuritiesAvailableforsaleRemainingPremium	2943297000	usd
CY2022Q4	nly	Debt Securities Availableforsale Remaining Discount DebtSecuritiesAvailableforsaleRemainingDiscount	1110917000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	70669855000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	83143000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4963091000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	65789907000	usd
CY2021Q4	us-gaap	Investment Owned Balance Principal Amount InvestmentOwnedBalancePrincipalAmount	65793672000	usd
CY2021Q4	nly	Debt Securities Availableforsale Remaining Premium DebtSecuritiesAvailableforsaleRemainingPremium	3771429000	usd
CY2021Q4	nly	Debt Securities Availableforsale Remaining Discount DebtSecuritiesAvailableforsaleRemainingDiscount	77850000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	62903483000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1425965000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	673774000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	63655674000	usd
CY2022	nly	Mortgage Backed Securities Sold Carrying Value MortgageBackedSecuritiesSoldCarryingValue	28900000000	usd
CY2021	nly	Mortgage Backed Securities Sold Carrying Value MortgageBackedSecuritiesSoldCarryingValue	11500000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	66587000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	3663446000	usd
CY2022	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	-3596859000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	102567000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	105646000	usd
CY2021	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	-3079000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-20700000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-145100000	usd
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	147600000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	27900000	usd
CY2022Q4	nly	Noncash Or Part Noncash Financial Instruments Owned And Pledged As Collateral NoncashOrPartNoncashFinancialInstrumentsOwnedAndPledgedAsCollateral	6100000000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	544562000	usd
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	100895000	usd
CY2022	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	1009351000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	468196000	usd
CY2022	nly	Servicing Assets At Fair Value Transfers ServicingAssetsAtFairValueTransfers	82650000	usd
CY2021	nly	Servicing Assets At Fair Value Transfers ServicingAssetsAtFairValueTransfers	0	usd
CY2022	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	9084000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	82176000	usd
CY2022	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	205463000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	120879000	usd
CY2022	us-gaap	Servicing Asset At Fair Value Other Changes That Affect Balance ServicingAssetAtFairValueOtherChangesThatAffectBalance	-84733000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Other Changes That Affect Balance ServicingAssetAtFairValueOtherChangesThatAffectBalance	-63232000	usd
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1748209000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	544562000	usd
CY2022	nly	Securitized Debt Of Consolidated Vie Unrealized Gain Loss SecuritizedDebtOfConsolidatedVIEUnrealizedGainLoss	1200000000	usd
CY2021	nly	Securitized Debt Of Consolidated Vie Unrealized Gain Loss SecuritizedDebtOfConsolidatedVIEUnrealizedGainLoss	-69400000	usd
CY2022Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	33006000	usd
CY2021Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	342064000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	170370000	usd
CY2022Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	108724000	usd
CY2021Q4	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	747036000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	204172000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	881537000	usd
CY2022	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	366161000	usd
CY2022	nly	Gain Loss On Termination Of Interest Rate Swaps GainLossOnTerminationOfInterestRateSwaps	-266427000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	3480708000	usd
CY2021	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	-276142000	usd
CY2021	nly	Gain Loss On Termination Of Interest Rate Swaps GainLossOnTerminationOfInterestRateSwaps	-1236349000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	2198486000	usd
CY2020	nly	Gain Loss On Realized Interest Rate Swaps GainLossOnRealizedInterestRateSwaps	-207877000	usd
CY2020	nly	Gain Loss On Termination Of Interest Rate Swaps GainLossOnTerminationOfInterestRateSwaps	-1917628000	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-904532000	usd
CY2022	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1278732000	usd
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	120574000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24241000	usd
CY2022	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	4157000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3405000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16679000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	59500000000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	54800000000	usd
CY2022	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P27D
CY2021	us-gaap	Repurchase Agreement Counterparty Weighted Average Maturity Of Agreements1 RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1	P52D
CY2022Q4	nly	Securities Soldunder Agreementsto Repurchase Maximum Available Under Counterparty Arrangements SecuritiesSoldunderAgreementstoRepurchaseMaximumAvailableUnderCounterpartyArrangements	1800000000	usd
CY2022Q4	nly	Securities Soldunder Agreementsto Repurchase Commitments Available SecuritiesSoldunderAgreementstoRepurchaseCommitmentsAvailable	1100000000	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	59512597000	usd
CY2022Q4	nly	Repurchase Agreements Weighted Average Rates RepurchaseAgreementsWeightedAverageRates	0.0429
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	54769643000	usd
CY2021Q4	nly	Repurchase Agreements Weighted Average Rates RepurchaseAgreementsWeightedAverageRates	0.0017
CY2022	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the gross amounts of reverse repurchase agreements and repurchase agreements, amounts offset in accordance with netting arrangements and net amounts of repurchase agreements and reverse repurchase agreements as presented in the Consolidated Statements of Financial Condition at December 31, 2022 and 2021. Refer to the “Derivative Instruments” Note for information related to the effect of netting arrangements on the Company’s derivative instruments.</span></div><div style="margin-bottom:6pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:89.473%"><tr><td style="width:1.0%"/><td style="width:25.860%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.547%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.616%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.547%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.616%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.547%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.616%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.551%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="background-color:#031f48;border-left:0.5pt solid #000;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"> </span></td><td colspan="9" style="background-color:#031f48;border-top:0.5pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">December 31, 2022</span></td><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #000;padding:0 1pt"/><td colspan="9" style="background-color:#031f48;border-right:0.5pt solid #000;border-top:0.5pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#031f48;border-left:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"> </span></td><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Reverse Repurchase Agreements</span></td><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Repurchase Agreements</span></td><td colspan="3" style="background-color:#031f48;padding:0 1pt"/><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Reverse Repurchase Agreements</span></td><td colspan="3" style="background-color:#031f48;border-top:0.5pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#031f48;border-right:0.5pt solid #000;border-top:0.5pt solid #ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Repurchase Agreements</span></td></tr><tr><td colspan="3" style="background-color:#083b92;border-left:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"> </span></td><td colspan="21" style="background-color:#083b92;border-right:0.5pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#ffffff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(dollars in thousands)</span></td></tr><tr><td colspan="3" style="border-left:0.5pt solid #000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gross amounts</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">59,512,597</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">— </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">54,769,643 </span></td><td style="border-right:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#e5e5e5;border-left:0.5pt solid #000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Amounts offset</span></td><td colspan="2" style="background-color:#e5e5e5;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#e5e5e5;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#e5e5e5;padding:0 1pt"/><td colspan="2" style="background-color:#e5e5e5;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#e5e5e5;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#e5e5e5;padding:0 1pt"/><td colspan="2" style="background-color:#e5e5e5;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#e5e5e5;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#e5e5e5;padding:0 1pt"/><td colspan="2" style="background-color:#e5e5e5;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#e5e5e5;border-right:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-left:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Netted amounts</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">59,512,597</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">54,769,643 </span></td><td style="background-color:#ffffff;border-right:0.5pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:0.5pt solid #000;border-left:0.5pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:0.5pt solid #000;border-right:0.5pt solid #000;border-top:3pt double #000;padding:0 1pt"/></tr></table></div>
CY2022Q4	nly	Securities For Reverse Repurchase Agreements Gross Amounts SecuritiesForReverseRepurchaseAgreementsGrossAmounts	0	usd
CY2022Q4	nly	Securities Sold Under Agreements To Repurchase Gross Amounts SecuritiesSoldUnderAgreementsToRepurchaseGrossAmounts	59512597000	usd
CY2021Q4	nly	Securities For Reverse Repurchase Agreements Gross Amounts SecuritiesForReverseRepurchaseAgreementsGrossAmounts	0	usd
CY2021Q4	nly	Securities Sold Under Agreements To Repurchase Gross Amounts SecuritiesSoldUnderAgreementsToRepurchaseGrossAmounts	54769643000	usd
CY2022Q4	nly	Securities For Reverse Repurchase Agreements Amounts Offset SecuritiesForReverseRepurchaseAgreementsAmountsOffset	0	usd
CY2022Q4	nly	Securities Sold Under Agreements To Repurchase Amounts Offset SecuritiesSoldUnderAgreementsToRepurchaseAmountsOffset	0	usd
CY2021Q4	nly	Securities For Reverse Repurchase Agreements Amounts Offset SecuritiesForReverseRepurchaseAgreementsAmountsOffset	0	usd
CY2021Q4	nly	Securities Sold Under Agreements To Repurchase Amounts Offset SecuritiesSoldUnderAgreementsToRepurchaseAmountsOffset	0	usd
CY2022Q4	us-gaap	Securities For Reverse Repurchase Agreements SecuritiesForReverseRepurchaseAgreements	0	usd
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	59512597000	usd
CY2021Q4	us-gaap	Securities For Reverse Repurchase Agreements SecuritiesForReverseRepurchaseAgreements	0	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	54769643000	usd
CY2022Q4	us-gaap	Other Secured Financings OtherSecuredFinancings	250000000	usd
CY2022Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0707
CY2022Q4	nly	Collateral Held On Repurchase Agreements After Effect Of Interest Rate Swaps Fair Value CollateralHeldOnRepurchaseAgreementsAfterEffectOfInterestRateSwapsFairValue	62200000000	usd
CY2022Q4	nly	Repurchase Agreements Accrued Interest RepurchaseAgreementsAccruedInterest	226400000	usd
CY2021Q4	nly	Collateral Held On Repurchase Agreements After Effect Of Interest Rate Swaps Fair Value CollateralHeldOnRepurchaseAgreementsAfterEffectOfInterestRateSwapsFairValue	59200000000	usd
CY2021Q4	nly	Repurchase Agreements Accrued Interest RepurchaseAgreementsAccruedInterest	160800000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2936500000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2936500000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	468309810	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	468309810	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	364934065	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	364934065	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2022	nly	Sale Of Stock Option To Purchase Additional Shares Period SaleOfStockOptionToPurchaseAdditionalSharesPeriod	P30D
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	63500000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	63500000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	63500000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	63500000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	63500000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	63500000	shares
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	1536569000	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	1536569000	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1504353000	usd
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1268558000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.52
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.52
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	412113000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	321142000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.88
CY2021	nly	Common Stock Dividends Taxable Ordinary Income Percent CommonStockDividendsTaxableOrdinaryIncomePercent	0.865
CY2022	nly	Common Stock Dividends Taxable Return Of Capital Percent CommonStockDividendsTaxableReturnOfCapitalPercent	0.135
CY2022	nly	Common Stock Dividends Per Share Taxable CommonStockDividendsPerShareTaxable	3.52
CY2021	nly	Common Stock Dividends Taxable Return Of Capital Percent CommonStockDividendsTaxableReturnOfCapitalPercent	1
CY2021	nly	Common Stock Dividends Per Share Taxable CommonStockDividendsPerShareTaxable	3.49
CY2022	nly	Preferred Stock Dividends Taxable Ordinary Income Percent PreferredStockDividendsTaxableOrdinaryIncomePercent	1
CY2021	nly	Preferred Stock Dividends Taxable Return Of Capital Percent PreferredStockDividendsTaxableReturnOfCapitalPercent	1
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2022	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	19400000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	20900000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P1Y10M6D
CY2022	nly	Interest Income Agency Security Loans InterestIncomeAgencySecurityLoans	2144696000	usd
CY2021	nly	Interest Income Agency Security Loans InterestIncomeAgencySecurityLoans	1484354000	usd
CY2020	nly	Interest Income Agency Security Loans InterestIncomeAgencySecurityLoans	1661566000	usd
CY2022	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	140220000	usd
CY2021	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	78681000	usd
CY2020	nly	Interest Income Securities Mortgage Backed And Agency Debentures InterestIncomeSecuritiesMortgageBackedAndAgencyDebentures	57394000	usd
CY2022	nly	Interest Income Residential Mortgage Loans InterestIncomeResidentialMortgageLoans	410229000	usd
CY2021	nly	Interest Income Residential Mortgage Loans InterestIncomeResidentialMortgageLoans	182359000	usd
CY2020	nly	Interest Income Residential Mortgage Loans InterestIncomeResidentialMortgageLoans	170259000	usd
CY2022	nly	Interest Income Commercial Real Estate Debt And Preferred Equity InterestIncomeCommercialRealEstateDebtAndPreferredEquity	81855000	usd
CY2021	nly	Interest Income Commercial Real Estate Debt And Preferred Equity InterestIncomeCommercialRealEstateDebtAndPreferredEquity	237597000	usd
CY2020	nly	Interest Income Commercial Real Estate Debt And Preferred Equity InterestIncomeCommercialRealEstateDebtAndPreferredEquity	338763000	usd
CY2022	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	1887000	usd
CY2021	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	45000	usd
CY2020	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	1643000	usd
CY2022	us-gaap	Interest Income Operating InterestIncomeOperating	2778887000	usd
CY2021	us-gaap	Interest Income Operating InterestIncomeOperating	1983036000	usd
CY2020	us-gaap	Interest Income Operating InterestIncomeOperating	2229625000	usd
CY2022	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	1026201000	usd
CY2021	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	116974000	usd
CY2020	nly	Interest Paid On Repurchase Agreements InterestPaidOnRepurchaseAgreements	705218000	usd
CY2022	nly	Interest Expense Securitized Debt Of Consolidated Vie InterestExpenseSecuritizedDebtOfConsolidatedVie	225216000	usd
CY2021	nly	Interest Expense Securitized Debt Of Consolidated Vie InterestExpenseSecuritizedDebtOfConsolidatedVie	93006000	usd
CY2020	nly	Interest Expense Securitized Debt Of Consolidated Vie InterestExpenseSecuritizedDebtOfConsolidatedVie	142602000	usd
CY2022	nly	Interest Expense Participation Sold InterestExpenseParticipationSold	39366000	usd
CY2021	nly	Interest Expense Participation Sold InterestExpenseParticipationSold	12071000	usd
CY2020	nly	Interest Expense Participation Sold InterestExpenseParticipationSold	78000	usd
CY2022	us-gaap	Interest Expense Other InterestExpenseOther	18952000	usd
CY2021	us-gaap	Interest Expense Other InterestExpenseOther	27192000	usd
CY2020	us-gaap	Interest Expense Other InterestExpenseOther	51214000	usd
CY2022	us-gaap	Interest Expense InterestExpense	1309735000	usd
CY2021	us-gaap	Interest Expense InterestExpense	249243000	usd
CY2020	us-gaap	Interest Expense InterestExpense	899112000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1469152000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1733793000	usd
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1330513000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1726420000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	2396280000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	-889772000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1095000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6384000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1391000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1725325000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2389896000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-891163000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	110623000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	107532000	usd
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	142036000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1614702000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2282364000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1033199000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	411348484	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	356856520	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	353664860	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	273274	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	285731	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	411621758	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	357142251	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	353664860	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.93
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.40
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.92
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.39
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.92
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	700000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000000	shares
CY2022	nly	Percentage Of Taxable Income Required To Be Distributed While Operating As Reit PercentageOfTaxableIncomeRequiredToBeDistributedWhileOperatingAsReit	1
CY2020Q1	us-gaap	Temporary Equity Redemption Price Per Share TemporaryEquityRedemptionPricePerShare	1.00
CY2020Q1	nly	Stockholders Equity Amount Used In Determining Monthly Management Fee StockholdersEquityAmountUsedInDeterminingMonthlyManagementFee	17280000000	usd
CY2020Q1	nly	Monthly Management Fee Percentage Of Stockholders Equity Over A Predetermined Amount Used In Calculating Total Management Fee MonthlyManagementFeePercentageOfStockholdersEquityOverAPredeterminedAmountUsedInCalculatingTotalManagementFee	0.0075
CY2020Q1	nly	Stockholders Equity Amount Used In Determining Monthly Management Fee StockholdersEquityAmountUsedInDeterminingMonthlyManagementFee	17280000000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	77900000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	3200000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8872000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11265000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y10M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	3872000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4061000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4107000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3149000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	261000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	291000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11869000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	604000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11265000	usd
CY2021Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	usd
CY2022Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	usd

Files In Submission

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FilingSummary.xml	Edgar Link	unprocessable
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$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly

2023 Q1 Form 10-K Financial Statement

#000162828023003895 Filed on February 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NLY ANNALY CAPITAL MANAGEMENT INC Stock $nly

2023 Q1 Form 10-K Financial Statement

#000162828023003895 Filed on February 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NLY
ANNALY CAPITAL MANAGEMENT INC Stock $nly