XML 64 R39.htm IDEA: XBRL DOCUMENT v3.20.4

Retirement Plans - Additional Information (Details)		3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2020 Employee	Nov. 30, 2020 USD ($)	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)	May 31, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss		$ 52,000,000	$ 52,000,000
Future Plan Structure [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contributions to eligible employees			8.00%
Current Plan Structure [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Company matching contributions to eligible employees			3.50%
Voluntary Contribution [Member] | U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan contributions by employer				$ 1,000,000,000.0
Pension Plans [Member] | U.S. Pension Plans [Member] | Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan contributions by employer					$ 0
Pension Plans [Member] | International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss		52,000,000	$ 52,000,000
Pension Plans [Member] | Netherlands Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Non-cash MTM net loss		52,000,000
MTM loss due to lower discount rate		106,000,000
Curtailment gain		$ 54,000,000
Pension Plans [Member] | Netherlands Pension Plan [Member] | Subsequent Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of employees frozen | Employee	2,100

X

- Definition

Defined benefit plan, market to market adjustment by lower discount rate.

+ References

No definition available.

+ Details

Name:	fdx_DefinedBenefitPlanMarketToMarketAdjustmentByLowerDiscountRate
Namespace Prefix:	fdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Defined benefit plan, market to market adjustment, gain (loss) due to curtailment.

+ References

No definition available.

+ Details

Name:	fdx_DefinedBenefitPlanMarketToMarketAdjustmentGainLossDueToCurtailment
Namespace Prefix:	fdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Defined benefit plan, number of employees frozen.

+ References

No definition available.

+ Details

Name:	fdx_DefinedBenefitPlanNumberOfEmployeesFrozen
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The annual retirement plan amount recorded for actuarial gains and losses calculated using actual fair value of plan assets.

+ References

No definition available.

+ Details

Name:	fdx_RetirementPlansMarketToMarketAdjustment
Namespace Prefix:	fdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

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

X

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=fdx_FuturePlanStructureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=fdx_CurrentPlanStructureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=fdx_VoluntaryContributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanSponsorLocationAxis=us-gaap_ForeignPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanSponsorLocationAxis=country_NL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: