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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://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 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Fair value amount of debt instrument that was repurchased.

+ References

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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.

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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

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent events (Details) - USD ($)	Jun. 17, 2022	Jul. 05, 2022	Jun. 03, 2022	Aug. 31, 2021
3.100% Unsecured Notes due 2022 \| Unsecured Notes
Subsequent Event [Line Items]
Stated interest rate				3.10%
Subsequent Event \| 2022 Revolving Credit Agreement, Five-Year Facility \| Unsecured credit facility
Subsequent Event [Line Items]
Debt term	5 years
Maximum borrowing capacity	$ 3,500,000,000
Subsequent Event \| 2022 Revolving Credit Agreement, Eighteen-Month Facility \| Unsecured credit facility
Subsequent Event [Line Items]
Debt term	18 months
Maximum borrowing capacity	$ 1,500,000,000
Subsequent Event \| 3.100% Unsecured Notes due 2022 \| Unsecured Notes
Subsequent Event [Line Items]
Stated interest rate			3.10%
Subsequent Event \| 3.100% Unsecured Notes due 2022 \| Unsecured Notes \| Forecast
Subsequent Event [Line Items]
Debt redeemed		$ 731,000,000