Debt Instrument, Covenant, Leverage Ratio Percentage

No definition available.

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

- Definition

Debt Instrument, Interest Coverage Ratio

+ References

No definition available.

+ Details

Name:	dlr_DebtInstrumentInterestCoverageRatio
Namespace Prefix:	dlr_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Secured Debt Ratio Percentage

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument, Unencumbered Assets Percentage to Unsecured Debt

+ References

No definition available.

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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 http://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

- Details

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

- Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dlr_TwoPointSevenFiveZeroPercentNotesDueTwentyTwentyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dlr_FourPointSevenFiveZeroNotesDueTwentyTwentyFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dlr_ZeroPointSixPercentageNotesDue2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dlr_OnePointSevenPercentageNotesDue2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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:

Debt of the Operating Partnership - Narrative (Details) SFr in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 CHF (SFr)	Apr. 05, 2022 USD ($)	Dec. 31, 2021 USD ($)
Unsecured senior notes \| Digital Realty Trust, L.P. \| Maximum
Debt Instrument
Leverage ratio	60.00%
Secured debt leverage ratio, maximum	40.00%
Unsecured senior notes \| Digital Realty Trust, L.P. \| Minimum
Debt Instrument
Interest coverage ratio	1.50
Total unencumbered assets	150.00%
Unsecured senior notes \| 2.750% notes due 2023 \| Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate		2.75%
Early extinguishment charge		$ 18,300
Unsecured senior notes \| 4.750% notes due 2025 \| Digital Realty Trust, L.P.
Debt Instrument
Stated interest rate	4.75%		4.75%
Early extinguishment charge	$ 51,100
Unsecured senior notes \| 0.600% notes due 2023 \| Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount	$ 108,310		SFr 100,000
Stated interest rate	0.60%		0.60%
Unsecured senior notes \| 1.700% notes due 2027 \| Digital Realty Trust, L.P.
Debt Instrument
Aggregate principal amount	$ 162,465		SFr 150,000
Stated interest rate	1.70%		1.70%
Global revolving credit facilities
Debt Instrument
Line of credit facility maximum borrowing capacity					$ 3,000,000
Global Revolving Credit Facility Amendment
Debt Instrument
Line of credit facility maximum borrowing capacity				$ 3,750,000