Debt Instrument, Extension Length

No definition available.

Name:	dlr_DebtInstrumentExtensionLength
Namespace Prefix:	dlr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of decrease to the pricing depending on sustainability performance targets under the line of credit facility.

+ References

No definition available.

+ Details

Name:	dlr_LineOfCreditSustainabilityLinkingPriceThresholdDecreasePercentage
Namespace Prefix:	dlr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of increase to the pricing depending on sustainability performance targets under the line of credit facility.

+ References

No definition available.

+ Details

Name:	dlr_LineOfCreditSustainabilityLinkingPriceThresholdIncreasePercentage
Namespace Prefix:	dlr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Extension Options

+ References

No definition available.

+ Details

Name:	dlr_NumberOfExtensionOptions
Namespace Prefix:	dlr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=dlr_GlobalRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=dlr_GlobalRevolvingCreditFacilitiesAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=dlr_YenRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=dlr_DigitalRealtyTrustLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt of the Operating Partnership - Global Revolving Credit Facilities (Details) $ in Millions, ¥ in Billions	12 Months Ended
	Dec. 31, 2022 USD ($) item	Dec. 31, 2022 JPY (¥)	Apr. 05, 2022 USD ($)	Dec. 31, 2021 USD ($)
Global revolving credit facilities
Debt Instrument
Maximum borrowing capacity \| $	$ 750.0			$ 3,000.0
Number of extension options \| item	2
Debt instrument, extension term	6 months
Interest rate basis spread	0.85%
Commitment fee percentage	0.20%
Sustainability linking price threshold increase percentage	5.00%
Sustainability linking price threshold decrease percentage	5.00%
Global Revolving Credit Facility Amendment
Debt Instrument
Maximum borrowing capacity \| $			$ 3,750.0
Yen Revolving Credit Facility
Debt Instrument
Maximum borrowing capacity	$ 711.5	¥ 93.3
Number of extension options \| item	2
Debt instrument, extension term	6 months
Interest rate basis spread	0.50%
Commitment fee percentage	0.10%
Sustainability linking price threshold increase percentage	5.00%
Sustainability linking price threshold decrease percentage	5.00%
Digital Realty Trust, L.P. \| Yen Revolving Credit Facility
Debt Instrument
Maximum borrowing capacity	$ 253.9	¥ 33.3